Lexus Trouble Codes 1100-1199

P1100 BARO Sensor Circuit Malfunction
P1120 Accelerator Pedal Position Sensor Circuit Malfunction
P1121 Accelerator Pedal Position Sensor Range/Performance Problem
P1125 Throttle Control Motor Circuit Malfunction
P1126 Magnetic Clutch Circuit Malfunction
P1127 ECTS Actuator Power Source Circuit Malfunction
P1128 Throttle Control Motor Lock Malfunction
P1129 Electronic Throttle Control System
P1130 Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction (Bank 1 Sensor 1)
P1133 Air/Fuel Ratio Sensor Circuit Response Malfunction (Bank 1 Sensor 1)
P1135 Air/Fuel Ratio Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
P1150 Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction (Bank 2 Sensor 1)
P1153 Air/Fuel Ratio Sensor Circuit Response Malfunction (Bank 2 Sensor 1)
P1155 Air/Fuel Ratio Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

Lexus Trouble Codes 1200-1299

P1200 Fuel Pump Relay/ECU Circuit Malfunction

Lexus Trouble Codes 1300-1399

P1300 Igniter Circuit Malfunction (Bank 1 Or No. 1)
P1305 Igniter Circuit Malfunction, (Bank 2 Or No. 2)
P1310 Igniter Circuit Malfunction (No. 3)
P1315 Igniter Circuit Malfunction (No. 4)
P1320 Igniter Circuit Malfunction (No. 5)
P1325 Igniter Circuit Malfunction (No. 6)
P1330 Igniter Circuit Malfunction (No. 7)
P1335 CKP Sensor Circuit Malfunction During Engine Running
P1340 Igniter Circuit Malfunction (No. 8)
P1345 VVT Sensor Circuit Malfunction (Bank 1)
P1346 VVT Sensor Rang/Performance Problem (Bank 1)
P1349 VVT System Malfunction (Bank 1)
P1350 VVT Sensor Circuit Malfunction (Bank 2)
P1351 VVT Sensor Range/Performance Problem (Bank 2)
P1354 VVT System Malfunction (Bank 2)

Lexus Trouble Codes 1400-1499

P1400 Sub-TP Sensor Malfunction
P1401 Sub-TP Sensor Range/Performance
P1410 EGR Valve Position Sensor Circuit Malfunction
P1411 EGR Valve Position Sensor Circuit Range/Performance Malfunction

Lexus Trouble Codes 1500-1599

P1500 Starter Signal Circuit Malfunction
P1520 Stop Lamp Switch Malfunction
P1565 Cruise Control Main Switch Circuit Malfunction
P1566 Cruise Control Main Switch Circuit Malfunction

Lexus Trouble Codes 1600-1699

P1600 ECM BATT Malfunction
P1605 Knock Control CPU Malfunction
P1633 ECM Malfunction (ETCS Circuit)
P1645 Body ECU Malfunction
P1656 OCV Circuit Malfunction (Bank 1)
P1663 OCV Circuit Malfunction (Bank 2)

Lexus Trouble Codes 1700-1799

P1780 PNP Switch Malfunction

B Codes – OBD-II Body Codes

B2785 Ignition Switch On Malfunction (Immobilizer System)
B2786 Ignition Switch Off Malfunction (Immobilizer System)
B2785 Ignition Switch On Malfunction (Immobilizer System)
B2791 Key Unlock Warning Switch Malfunction (Immobilizer System)
B2795 Unmatch Key Code (Immobilizer System)
B2796 No Communication In Immobilizer System
B2797 Communication Malfunction No. 1 (Immobilizer System)
B2798 Communication Malfunction No. 2 (Immobilizer System)

Mazda Trouble Codes 1000-1099

P1000 OBD II Monitor Testing Not Completed
P1001 Unable to Achieve Self-Test Function or SCP Error

Mazda Trouble Codes 1100-1199

P1100 Mass Airflow Sensor Circuit Intermittent
P1101 Mass Airflow Sensor Circuit out of Self-Test Range
P1102 Mass Airflow Sensor Signal Inconsistent with Throttle Position Sensor
P1103 Mass Airflow Sensor Signal Inconsistent with Engine Speed
P1110 Intake Air Temperature Sensor Signal (Dynamic Chamber) Circuit
P1112 Intake Air Temperature Sensor Circuit Intermittent
P1113 Intake Air Temperature Sensor Signal (Dynamic Chamber) Circuit
P1114 Intake Air Temperature Sensor Circuit Low Input
P1116 ECT Sensor Circuit Out of Self Test Range
P1117 ECT Sensor Signal Intermittent
P1120 Throttle Position Sensor out of Range Low
P1121 Throttle Position Sensor Signal Not Consistent with Mass Airflow Signal
P1122 Throttle Position Stuck Closed
P1123 Throttle Position Stuck Open
P1124 Throttle Position Sensor Signal Out of Self Test Range
P1125 Throttle Position Sensor Signal Intermittent
P1127 HO2S Bank 1 Sensor 2 Heater Not On During Key On Engine Running Self Test
P1128 HO2S Bank 1 Sensor 1 Signals Swapped in Key On Engine Running Self Test
P1130 HO2S Bank 1 Sensor 1 Not Switching (Fuel Control Limit Reached)
P1131 HO2S Bank 1 Sensor 1 Signal Below 0.45v (A/F Ratio Too Lean)
P1132 HO2S Bank 1 Sensor 1 Signal Above 0.45v (A/F Ratio Too Rich)
P1135 HO2S Bank 1 Sensor 1 Heater Circuit Low Input
P1136 HO2S Bank 1 Sensor 1 Heater Circuit High Input
P1137 HO2S Bank 1 Sensor 2 Not Switching (Fuel Control Limit Reached)
P1138 HO2S Bank 1 Sensor 2 Signal Above 0.45v (A/F Ratio Too Rich)
P1141 HO2S Bank 1 Sensor 2 Heater Circuit Low Input
P1142 HO2S Bank 1 Sensor 2 Heater Circuit High Input
P1143 HO2S Bank 1 Sensor 3 Signal Below 0.45v (A/F Ratio Too Lean)
P1144 HO2S Bank 1 Sensor 3 Signal Above 0.45v (A/F Ratio Too Rich)
P1150 HO2S Bank 2 Sensor 1 Not Switching (Fuel Control Limit Reached)
P1151 HO2S Bank 2 Sensor 1 Signal Below 0.45v (A/F Ratio Too Lean)
P1152 HO2S Bank 2 Sensor 1 Signal Above 0.45v (A/F Ratio Too Rich)
P1169 HO2S Bank 1 Sensor 1 Circuit Fixed (Bank 1 Sensor 1)
P1170 HO2S Bank 1 Sensor 1 Circuit Fixed (Bank 1 Sensor 1)
P1173 HO2S Bank 2 Sensor 1 Circuit Fixed (Bank 2 Sensor 1)
P1195 EGR Boost Sensor Circuit
P1196 Ignition Switch Start Circuit

Mazda Trouble Codes 1200-1299

P1235 Fuel Pump Control Circuit
P1236 Fuel Pump Control Out Range
P1250 Pressure Regulator Control Solenoid Circuit
P1252 Pressure Regulator Control Solenoid ‘2’ Circuit
P1260 Anti-Theft System Signal Detected – Engine Disabled
P1270 Engine RPM or Vehicle Speed Limit Reached

Mazda Trouble Codes 1300-1399

P1309 Misfire Detection Monitor
P1345 No CMP or SGC Signal
P1351 Ignition Diagnostic Monitor Signal Lost to PCM or Out Of Range
P1352 Ignition Coil ‘A’ Primary Circuit
P1353 Ignition Coil ‘B’ Primary Circuit
P1354 Ignition Coil ‘C’ Primary Circuit
P1358 Ignition Diagnostic Monitor Signal Out Of Self Test Range
P1359 SPOUT Signal Lost To Powertrain Control Module Or Out Of Range
P1360 Ignition Coil ‘A’ Secondary Circuit
P1361 Ignition Coil ‘B’ Secondary Circuit
P1362 Ignition Coil ‘C’ Secondary Circuit
P1364 Ignition Coil Primary Circuit
P1365 Ignition Coil Secondary Circuit
P1390 Octane Adjust Shorting Bar Out or Circuit Open

Mazda Trouble Codes 1400-1499

P1400 DPFE Sensor Circuit Low Input
P1401 DPFE Sensor Circuit High Input
P1402 EGR Valve Position Sensor Circuit
P1405 DPFE Sensor Upstream Hose Off Or Plugged
P1406 DPFE Sensor Downstream Hose Off or Plugged
P1407 No EGR Flow Detected
P1408 EGR System Flow Out of Key On Engine Running Self Test Range
P1409 EGR Vacuum Regulator Solenoid Circuit
P1410 EGR Boost Solenoid Valve Stuck
P1443 EVAP System Purge Flow Fault
P1444 EVAP Purge Flow Sensor Circuit Low Voltage
P1446 EVAP Purge Flow Sensor Circuit High Voltage
P1449 CDCV or Throttle PositionCV Circuit
P1450 EVAP Control System Fault
P1451 Canister Vent Solenoid Circuit
P1455 Fuel Tank Level Sensor Circuit
P1460 Wide Open Throttle A/C Cut-Off Relay Circuit
P1464 Air Conditioning Control Signal Circuit
P1474 Fan Control (Primary Winding) Circuit
P1479 Fan Control (Condenser Primary) Circuit
P1485 EGR Vacuum Solenoid Circuit
P1486 EGR Vent Solenoid Circuit
P1487 EGR-CHK (Boost) Solenoid Circuit
P1496 EGR Valve Motor Coil ‘1’ Open or Shorted
P1497 EGR Valve Motor Coil ‘2’ Open or Shorted
P1498 EGR Valve Motor Coil ‘3 Open or Shorted
P1499 EGR Valve Motor Coil ‘4’ Open or Shorted

Mazda Trouble Codes 1500-1599

P1500 Vehicle Speed Sensor Intermittent Signal
P1501 Vehicle Speed Sensor Out of Self Test Range
P1502 Vehicle Speed Sensor Circuit Error
P1504 Idle Air Control Solenoid Circuit Intermittent
P1505 Idle Air Control System at Adaptive Clip
P1506 Idle Air Control System Overspeed Detected
P1507 Idle Air Control System Underspeed Detected
P1508 Bypass Air Solenoid ‘1’ Circuit
P1509 Bypass Air Solenoid ‘2 Circuit
P1512 VTCS Fault
P1521 VRIS Solenoid ‘1’ Circuit
P1522 VRIS Solenoid ‘2 Circuit
P1523 VICS Solenoid Circuit
P1524 Charge Air Cooler Bypass Solenoid Circuit
P1525 ABV Vacuum Solenoid Circuit
P1526 ABV Vent Solenoid Circuit
P1529 L/C Atmospheric Balance Air Control Valve Circuit
P1540 ABV System Fault
P1562 Powertrain Control Module +BB Voltage Low
P1569 VTCS Circuit Low Input
P1570 VTCS Circuit High Input

Mazda Trouble Codes 1600-1699

P1601 Powertrain Control Module Communication Line to TCM Error
P1602 Powertrain Control Module Communication Line to TCM Error
P1602 Immobilizer System Communication Error with Powertrain Control Module
P1603 Immobilizer System Fault
P1604 Immobilizer System Fault
P1605 Powertrain Control Module Keep Alive Memory Test Error
P1608 Powertrain Control Module (ECM CPU) DTC Test Fault
P1609 Powertrain Control Module (ECM CPU) Knock Sensor Circuit
P1621 Immobilizer System Fault
P1622 Immobilizer System Fault
P1623 Immobilizer System Fault
P1624 Immobilizer System Fault
P1627 Powertrain Control Module (ECM/TCS) Line Communication Error
P1628 Powertrain Control Module (ECM/TCS) Any Line Communication Error
P1631 Generator Output Voltage Signal (No Output)
P1632 Battery Voltage Monitor Circuit
P1633 Battery Overcharge Fault
P1634 Generator Terminal ‘B’ Circuit Open
P1650 Power Steering Pressure Switch Out of Range Fault
P1651 Power Steering Pressure Switch Circuit
P1652 Power Steering Pressure Switch Circuit

Mazda Trouble Codes 1700-1799

P1701 Transmission Range Sensor Reverse Engagement Error
P1702 Transmission Range Sensor Circuit Intermittent
P1703 Brake On/Off Switch Out of Self Test Range
P1705 Transmission Range Sensor out of Self Test Range
P1709 Clutch Pedal Position Switch Circuit
P1711 Transmission Fluid Temperature Sensor Circuit out of Self Test Range
P1713 Transmission Fluid Temperature Sensor Circuit
P1714 Shift Solenoid ‘1’ Mechanical Fault
P1715 Shift Solenoid ‘2’ Mechanical Fault
P1716 Shift Solenoid ‘3’ Mechanical Fault
P1717 Shift Solenoid ‘4’ Mechanical Fault
P1718 Transmission Fluid Temperature Sensor Circuit
P1720 Vehicle Speed Sensor ‘2’ Signal Error
P1729 Transmission 4×4 Low Switch Error
P1740 Torque Converter Clutch Solenoid Mechanical Fault
P1741 Torque Converter Clutch Control Electrical Fault
P1742 Torque Converter Clutch Solenoid Shorted
P1743 Torque Converter Clutch Failed On – TCIL is On
P1744 Torque Converter Clutch Solenoid Mechanical Fault
P1746 Electronic Pressure Control Solenoid Circuit Open
P1747 Electronic Pressure Control Solenoid Circuit
P1749 Electronic Pressure Control Solenoid Circuit Low
P1751 Transmission Shift Solenoid ‘A’ Mechanical Fault
P1752 Transmission Shift Solenoid ‘A’ Circuit Shorted
P1754 Transmission Coast Clutch Solenoid Electrical Fault
P1756 Transmission Shift Solenoid ‘B’ Mechanical Fault
P1757 Transmission Shift Solenoid ‘B’ Circuit Shorted
P1761 Transmission Shift Solenoid ‘3’ Mechanical Fault
P1762 Transmission SS3/SS4/OD Band Fault
P1765 Transmission 3-2 Timing Solenoid Valve
P1767 Torque Converter Clutch Solenoid Circuit
P1771 Throttle Position Sensor Circuit Open to Transmission Control Module
P1772 Throttle Position Sensor Circuit Shorted to Transmission Control Module
P1780 Transmission Control Switch Circuit
P1780 Overdrive Off Switch not Cycled during the Self Test
P1781 Transmission 4×4 Low Switch out of Range Fault
P1783 Transmission Fluid Temperature High Input
P1788 3-2T/CCS Circuit Open
P1789 3-2T/CCS Circuit Shorted
P1794 Powertrain Control Module Battery Direct Power Circuit
P1797 P/N Switch Open or Short Circuit

Mazda Trouble Codes 1900-1999

P1900 Turbine Speed Sensor Circuit Intermittent
P1901 Torque Converter Clutch Circuit Intermittent

Mitsubishi Trouble Codes 1100-1199

P1103 Turbocharger Wastegate Actuator.
P1104 Turbocharger Wastegate Solenoid.
P1105 Fuel Pressure Solenoid.

Mitsubishi Trouble Codes 1300-1399

P1300 Ignition Timing Adjustment circuit.

Mitsubishi Trouble Codes 1400-1499

P1400 Manifold Differential Pressure Sensor circuit.

Mitsubishi Trouble Codes 1500-1599

P1500 Alternator FR Terminal circuit.

Mitsubishi Trouble Codes 1600-1699

P1600 Serial Communication Link.

Mitsubishi Trouble Codes 1700-1799

P1715 Pulse Generator Assembly.
P1750 Solenoid Assembly.
P1751 A/T Control Relay.
P1791 Engine Coolant Temperature Level Input circuit.
P1795 Throttle Position Input circuit to TCM.

Nissan Trouble Codes 1100-1199

P1105 MAP/BARO Pressure Switch Solenoid Valve
P1126 Thermostat Function
P1130 Swirl Control Valve Control Solenoid Valve
P1148 Closed Loop Control (Bank 1)
P1165 Swirl Control Valve Control Vacuum Switch
P1168 Closed Loop Control (Bank 2)
P1320 Ignition Signal

Nissan Trouble Codes 1200-1299

P1211 ABS/TCS Control Unit
P1212 ABS/TCS Communication Line
P1217 Engine Over Temperature (Overheat)

Nissan Trouble Codes 1300-1399

P1320 Ignition Signal
P1335 Crankshaft Position Sensor (REF)
P1336 Crankshaft Position Sensor (CKPS)

Nissan Trouble Codes 1400-1499

P1400 EGRC Solenoid Valve
P1401 EGR Temperature Sensor
P1402 EGR System
P1440 EVAP Control System Small Leak
P1441 Vacuum Cut Valve Bypass Valve
P1444 Canister Purge Volume Control Solenoid Valve
P1445 EVAP Canister Purge Volume Control Valve
P1446 EVAP Canister Vent Control Valve (Closed)
P1447 EVAP Control System Purge Flow Monitoring
P1448 EVAP Canister Vent Control Valve (Open)
P1464 Fuel Level Sensor Circuit (Ground Signal)
P1490 Vacuum Cut Valve Bypass Valve (Circuit)
P1491 Vacuum Cut Valve Bypass Valve
P1492 EVAP Canister Purge Control/Solenoid Valve (Circuit)
P1493 EVAP Canister Purge Control Valve/Solenoid Valve

Nissan Trouble Codes 1500-1599

P1550 TCC Solenoid Valve

Nissan Trouble Codes 1600-1699

P1605 A/T Diagnostic Communication Line

Nissan Trouble Codes 1700-1799

P1705 Throttle Position Sensor Circuit A/T
P1706 Park/Neutral Position (PNP) Switch
P1760 Overrun Clutch Solenoid Valve (Circuit)

Subaru Trouble Codes 1000-1099

P1086 Tumble generator valve #2 (LH) position sensor circuit low input
P1087 Tumble generator valve #2 (LH) position sensor circuit high input
P1088 Tumble generator valve #1 (RH) position sensor circuit low input
P1089 Tumble generator valve #1 (RH) position sensor circuit high input
P1090 Tumble generator valve #1 (RH) malfunction (stuck open)
P1091 Tumble generator valve #1 (RH) malfunction (stuck close)
P1092 Tumble generator valve #2 (LH) malfunction (stuck open)
P1093 Tumble generator valve #2 (LH) malfunction (stuck close)
P1094 Tumble generator valve circuit #1 (open circuit)
P1095 Tumble generator valve circuit #1 (over current)
P1096 Tumble generator valve circuit #2 (open circuit)
P1097 Tumble generator valve circuit #2 (over current)

Subaru Trouble Codes 1100-1199

P1100 Starter Switch Circuit Malfunction
P1101 Neutral Position Switch Circuit High Input (A/T)
P1101 Neutral Position Switch Circuit Malfunction (M/T)
P1102 Pressure Sources Solenoid Valve Circuit Malfunction
P1103 Pressure Sources Switching Solenoid Valve Circuit
P1104 Engine Torque Control Signal Circuit Malfunction
P1106 Engine Torque Control Signal 2 Circuit Malfunction
P1110 Atmospheric pressure sensor low input
P1111 Atmospheric pressure sensor high input
P1112 Atmospheric pressure sensor range/performance problem
P1115 Engine Torque Control Cut Signal Circuit High Input
P1116 Engine Torque Control Cut Signal Circuit Low Input
P1120 Starter Switch High Input
P1121 Neutral Position Switch Circuit High Input [MT Vehicles]
P1121 Neutral Position Switch Circuit Low Input [AT Vehicles]
P1122 Pressure Sources Switching Valve Circuit High Input
P1124 TCS Signal Circuit High Input
P1130 Front oxygen sensor circuit malfunction (open circuit)
P1131 Front oxygen sensor circuit malfunction (short circuit)
P1134 Front oxygen (A/F) sensor microcomputer problem
P1137 Front oxygen (A/F) sensor circuit range/performance problem
P1139 Front oxygen (A/F) sensor #1 heater circuit performance/range problem
P1141 Mass Air Flow Sensor Circuit High Input
P1142 Mass Air Flow Sensor Circuit Low Input
P1143 Pressure Sensor Circuit Low Input
P1144 Pressure Sensor Circuit High Input
P1146 Pressure sensor circuit range/performance problem (high input)
P1150 Front Oxygen Sensor Heater Circuit High Input
P1151 Rear Oxygen Sensor Heater Circuit High Input

Subaru Trouble Codes 1200-1299

P1230 Fuel pump control unit malfunction
P1244 Wastegate control solenoid valve malfunction (low input)
P1245 Wastegate control solenoid valve malfunction (fail-safe)

Subaru Trouble Codes 1300-1399

P1301 Fire due to increased exhaust temperature
P1312 Exhaust temperature sensor malfunction
P1325 Knock Sensor Circuit Low Input

Subaru Trouble Codes 1400-1499

P1400 Fuel Tank Pressure Control Solenoid Low Input
P1420 Fuel Tank Pressure Control Solenoid High Input
P1421 Exhaust Gas Recirculation Circuit High Input
P1422 EVAP Purge Control Valve Circuit High Input
P1423 EVAP Vent Control High Input
P1440 Fuel Tank Pressure Control System Low Input
P1441 Fuel Tank Pressure Control System High Input
P1442 Fuel Level Sensor Circuit Range/Perf
P1443 EVAP Control System Vent Control Function Problem
P1480 Cooling fan relay 1 circuit high input

Subaru Trouble Codes 1500-1599

P1500 Radiator Fan Relay 1 Circuit Malfunction
P1501 Idle Control System Malfunction (Fail Safe)
P1502 Radiator Fan Function Problem
P1507 Idle Control System Malfunction (Fail Safe)
P1510 Idle Air Control Solenoid Signal 1 Circuit Low Input
P1511 Idle Air Control Solenoid Signal 1 Circuit High Input
P1512 Idle Air Control Solenoid Signal 2 Circuit Low Input
P1513 Idle Air Control Solenoid Signal 2 Circuit High Input
P1514 Idle Air Control Solenoid Signal 3 Circuit Low Input
P1515 Idle Air Control Solenoid Signal 3 Circuit High Input
P1516 Idle Air Control Solenoid Signal 4 Circuit Low Input
P1517 Idle Air Control Solenoid Signal 4 Circuit High Input
P1518 Starter switch circuit low input
P1520 Radiator Fan Relay 1 Circuit High Input
P1540 Vehicle Speed Sensor Malfunction 2
P1544 High exhaust temperature detected
P1560 Back-Up Voltage Circuit Malfunction
P1590 Neutral position switch circuit high input
P1591 Neutral position switch circuit low input
P1592 Neutral position switch circuit (MT model)
P1594 Automatic transmission diagnosis input signal circuit malfunction
P1595 Automatic transmission diagnosis input signal circuit low input
P1596 Automatic transmission diagnosis input signal circuit high input

Subaru Trouble Codes 1600-1699

P1698 Engine torque control cut signal circuit low input
P1699 Engine torque control cut signal circuit high input

Subaru Trouble Codes 1700-1799

P1700 Throttle Position Sensor Circuit Malfunction (A/T)
P1701 Cruise Control Set Signal Circuit Malfunction (A/T)
P1702 Auto Trans Diagnosis Input Signal Circuit
P1703 Low clutch timing control solenoid valve circuit malfunction
P1704 2-4 Brake Timing Solenoid Valve Circuit Malfunction
P1705 2-4 Brake Pressure Solenoid Valve (Solenoid D) Circuit
P1711 Engine torque control signal 1 circuit malfunction
P1712 Engine torque control signal 2 circuit malfunction
P1722 Auto Trans Diagnosis Input Signal High Input
P1742 Auto Trans Diagnosis Input Signal Malfunction

1988 and later Multi-Point Fuel Injection (MPFI) Subaru Trouble Codes

11 Crank angle sensor or circuit
12 Starter switch or circuit
13 Cam position sensor or circuit (TDC sensor on Justy)
14 Fuel injector no. 1 (Legacy, Impreza, Justy, SVX); Fuel injector 1 and 2 (XT, Loyale, GL, DL)
15 Fuel injector no. 2 (Legacy, Impreza, Justy, SVX); Fuel injector 3 and 4 (Loyale, GL, DL); Fuel injector 5 and 6 (XT6)
16 Fuel injector no. 3 (Legacy, Impreza, Justy, SVX); Fuel injector 3 and 4 (XT)
17 Fuel injector no. 4 (Legacy, Impreza, SVX); Fuel injector 1 and 2 (XT6)
18 Fuel injector no. 5 (SVX)
19 Fuel injector no. 6 (SVX)
21 Coolant temperature sensor or circuit
22 Knock sensor or circuit (right side on SVX)
23 Air flow meter or circuit (exc. Justy); Pressure sensor (Justy)
24 Air control valve or circuit (exc. Justy); Idle speed control solenoid valve (Justy)
25 Fuel Injector 3 and 4 (XT6)
26 Air temperature sensor (Justy)
28 Knock sensor no. 2 (SVX, left side)
29 Crank angle sensor (SVX, no. 2)
31 Throttle position sensor or circuit
32 Oxygen sensor or circuit (no. 1, right side on SVX)
33 Vehicle speed sensor (VSS) or circuit
34 EGR solenoid valve
35 Canister purge solenoid or circuit
36 Air suction solenoid valve (Impreza); Igniter circuit (Justy)
37 Oxygen sensor (no. 2, left side , SVX)
38 Engine torque control (SVX)
41 Air/fuel adaptive control
42 Idle switch or circuit
43 Throttle switch (Justy)
44 Wastegate duty solenoid (turbo)
45 Pressure duty solenoid (turbo)/atmospheric pressure sensor circuit (non-turbo)
49 Airflow sensor
51 Neutral switch (manual transmission)/inhibitor switch (automatic transmission)
52 Parking brake switch (exc. Justy)/Clutch switch (Justy)
55 EGR temperature sensor
56 EGR system
61 Parking brake switch (Loyale)/Fuel tank pressure control solenoid valve (Impreza)
62 Fuel temperature sensor (Impreza)/Electric load signal (Justy)
63 Fuel tank pressure sensor (Impreza)/Blower fan switch (Justy)
65 Vacuum pressure sensor

1988 and later Subaru models with Single-Point Fuel Injection.

11 Crank angle sensor or circuit
12 Starter switch or circuit
13 Crank angle sensor or circuit
14 Fuel injector – abnormal output
21 Coolant temperature or circuit
23 Air flow meter or circuit
24 Air control valve or circuit
31 Throttle sensor or circuit
32 Oxygen sensor or circuit
33 Vehicle Speed Sensor or circuit
34 EGR solenoid or circuit
35 Purge control solenoid or circuit
42 Idle switch or circuit
45 Kick-down control relay or circuit
51 Neutral switch continuously in the on position
55 EGR temperature sensor or circuit
61 Parking switch or circuit

1987 Fuel Injected Subaru Trouble Codes

11 Ignition pulse/crank angle sensor
12 Starter switch or circuit
13 Crank angle sensor or circuit
14 Injectors 1 and 2
15 Injectors 3 and 4
21 Coolant temperature sensor or circuit
22 Knock sensor or circuit
23 Air flow meter or circuit
24 Air control
31 Throttle sensor or circuit
32 Oxygen sensor or circuit
33 Vehicle Speed Sensor (VSS) or circuit
34 EGR solenoid valve stuck on or off
35 Purge control solenoid or circuit
41 Lean fuel mixture indicated
42 Idle switch or circuit
45 Kick-down relay or circuit
51 Neutral switch or curcuit
61 Parking switch or circuit

1984 – 1986 Fuel Injected Subaru Trouble Codes

11 Ignition pulse
12 Starter switch off
13 Starter switch on
14 Airflow meter or circuit
15 Atmospheric pressure switch – fixed value
16 Crank angle sensor or circuit
17 Starter switch or circuit
21 Seized airflow meter flap
22 Pressure or vacuum switches – fixed value
23 Idle switch – fixed value
24 Wide open throttle switch – fixed value
25 Throttle sensor idle switch or circuit
31 Speed sensor or circuit
32 Oxygen sensor or circuit
33 Coolant sensor or circuit
34 Abnormal aspirated air thermosensor
35 Air flow meter/EGR solenoid switch or circuit
41 Atmospheric pressure sensor or circuit
42 Fuel injector – fixed value
43 KDLH control system
46 Neutral or parking switch or circuit
47 Fuel injector
53 Fuel pump or circuit
55 KDLH control system
57 Canister control system
58 Air control system
62 EGR control system
88 TBI control unit

1983 – 1988 Carbureted Subaru Trouble Codes

11 Ignition pulse system/crank angle sensor(87 & later)
12 Ignition pulse system (1983 only)/Starter switch (84 & later)
13 Crank angle sensor or circuit
14 Vacuum switches stay on or off (1983 only)/Duty solenoid or circuit(1983 to 1985)/Injectors 1 & 2 (87-up)
15 Solenoid valve stays on or off (1983 only)/Coasting Fuel Cut (CFC) system (1983 to 1985 )
16 Feedback system (1983 to 1985 models)
17 Fuel pump and automatic choke (1983 to 1985 carbureted)
21 Ignition pulse system (1983 only)/coolant temperature sensor or circuit (1983 to 1985 carbureted)
22 Ignition pulse system (1983 only)/Vehicle speed sensor or circuit or VLC solenoid valve or circuit. (1984 to 1988 carbureted)
23 Oxygen sensor or circuit (1983 to 1988)/pressure sensor or circuit (1983 to 1985)
24 Vacuum switches stay on or off (1983 only)/coolant temperature sensor or circuit, or Idle-up solenoid or circuit (1984 to 1988 carbureted)
25 Manifold vacuum sensor or circuit/coolant temperature sensor or circuit on 1984 models)/float chamber vent solenoid valve or circuit (1983 to 1985)
32 Coolant temperature sensor or circuit (1983)/Oxygen sensor or circuit (1984 to 1988)
33 Main system in feedback (1983 to 1988)/Vehicle speed sensor or circuit (1983 to 1985)
34 Choke power stays on or off (1983)/EGR system solenoid or circuit (1883 to 1988)
35 Canister purge solenoid or circuit (1983 to 1985)
41 Vacuum switches stay on or off (1983 only)/Feedback system (California models 1983 to 1985)
42 Vacuum switches stay on or off (1983 only)/clutch switch or circuit (1983 to 1988)
43 Choke power stays on or off (1983)
46 Radiator fan control (1983 to 1985)
52 Solenoid valve control system or clutch switch
53 Fuel pump circuit or Altitude compensator switch
54 Choke control system
55 Upshift control or EGR sensor
56 EGR system
62 Exhaust Gas Recirculation (EGR) solenoid valve control or Idle-up system
63 Canister solenoid valve or circuit/Idle-up system
64 Vacuum line control valve or circuit
65 Float chamber vent control valve circuit
71 Ignition pulse system
73 Ignition pulse system
74 Ignition pulse system

Toyota Trouble Codes 1000-1099

P1100 BARO Sensor Circuit.
P1120 Accelerator Pedal Position Sensor Circuit.
P1121 Accelerator Pedal Position Sensor Range/Performance Problem.
P1125 Throttle Control Motor Circuit.
P1126 Magnetic Clutch Circuit.
P1127 ETCS Actuator Power Source Circuit.
P1128 Throttle Control Motor Lock.
P1129 Electric Throttle Control System.
P1130 Air/Fuel Sensor Circuit Range/Performance. (Bank 1 Sensor 1)
P1133 Air/Fuel Sensor Circuit Response. (Bank 1 Sensor 1)
P1135 Air/Fuel Sensor Heater Circuit Response. (Bank 1 Sensor 1)
P1150 Air/Fuel Sensor Circuit Range/Performance. (Bank 1 Sensor 2)
P1153 Air/Fuel Sensor Circuit Response. (Bank 1 Sensor 2)
P1155 Air/Fuel Sensor Heater Circuit. (Bank 1 Sensor 2)

Toyota Trouble Codes 1200-1299

P1200 Fuel Pump Relay Circuit.

Toyota Trouble Codes 1300-1399

P1300 Igniter Circuit Malfunction – No. 1.
P1310 Igniter Circuit Malfunction – No. 2.
P1335 No Crankshaft Position Sensor Signal – Engine Running.
P1349 VVT System.

Toyota Trouble Codes 1400-1499

P1400 Sub-Throttle Position Sensor.
P1401 Sub-Throttle Position Sensor Range/Performance Problem.
P1405 Turbo Pressure Sensor Circuit.
P1406 Turbo Pressure Sensor Range/Performance Problem.
P1410 EGR Valve Position Sensor Circuit Malfunction.
P1411 EGR Valve Position Sensor Circuit Range/Performance.

Toyota Trouble Codes 1500-1599

P1500 Starter Signal Circuit.
P1510 Boost Pressure Control Circuit.
P1511 Boost Pressure Low.
P1512 Boost Pressure High.
P1520 Stop Lamp Switch Signal Malfunction.
P1565 Cruise Control Main Switch Circuit.

Toyota Trouble Codes 1600-1699

P1600 ECM BATT Malfunction
P1605 Knock Control CPU.
P1630 Traction Control System.
P1633 ECM.
P1652 Idle Air Control Valve Control Circuit.
P1656 OCV Circuit.
P1658 Wastegate Valve Control Circuit.
P1661 EGR Circuit.
P1662 EGR by-pass Valve Control Circuit.

Toyota Trouble Codes 1700-1799

P1780 Park/Neutral Position Switch Malfunction (Only For A/T)

VW Trouble Codes 1100-1199

P1102 O2S Heating Circuit Bank 1 Sensor 1 Voltage Too Low/Air Leak
P1105 O2S Heating Circuit Bank 1 Sensor 2 Short To Positive
P1107 O2S Heating Circuit Bank 2 Sensor 1 Short To Positive
P1110 O2S Heating Circuit Bank 2 Sensor 2 Short To Positive
P1113 O2S Sensor Heater Resistance Too High Bank 1 Sensor 1
P1115 O2S Sensor Heater Circuit Short To Ground Bank 1 Sensor 1
P1116 O2S Sensor Heater Circuit Open Bank 1 Sensor 1
P1117 O2S Sensor Heater Circuit Short To Ground Bank 1 Sensor 2
P1118 O2S Sensor Heater Circuit Open Bank 1 Sensor 2
P1127 Long Term Fuel Trim B1 System Too Rich
P1128 Long Term Fuel Trim B1 System Too Lean
P1129 Long Term Fuel Trim B2 System Too Rich
P1130 Long Term Fuel Trim B2 System Too Lean
P1136 Long Term Fuel Trim Add. Fuel B1 System Too Lean
P1137 Long Term Fuel Trim Add. Fuel B1 System Too Rich
P1138 Long Term Fuel Trim Add. Fuel B2 System Too Lean
P1139 Long Term Fuel Trim Add. Fuel B2 System Too Rich
P1141 Load Calculation Cross Check Range/Performance
P1144 Mass Air Flow Sensor Open/Short To Ground.
P1145 Mass Air Flow Sensor Short To Positive.
P1146 Mass Air Flow Sensor Supply Voltage.
P1155 Manifold Absolute Pressure Sensor Short To Positive.
P1156 Manifold Absolute Pressure Sensor Open/Short To Ground.
P1157 Manifold Absolute Pressure Sensor Supply Voltage.
P1160 Intake Air Temperature Sensor Short To Ground.
P1161 Intake Air Temperature Sensor Open/Short To Positive.
P1162 Intake Air Temperature Sensor Short To Ground.
P1163 Fuel Temperature Sensor Open/Short To Positive.
P1164 Fuel Temperature Sensor Implausible Signal.
P1171 Throttle Actuation Potentiometer Sign. 2 Range/Performance
P1172 Throttle Actuation Potentiometer Sign. 2 Signal Too Low
P1173 Throttle Actuation Potentiometer Sign. 2 Signal Too High
P1176 Rear O2S Correction
P1177 O2 Correction Behind Catalyst B1 Limit Attained
P1196 O2S Heater Circuit Bank 1 Sensor 1 Electrical Malfunction
P1197 O2S Heater Circuit Bank 2 Sensor 1 Electrical Malfunction
P1198 O2S Heater Circuit Bank 1 Sensor 2 Electrical Malfunction
P1199 O2S Heater Circuit Bank 2 Sensor 2 Electrical Malfunction

VW Trouble Codes 1200-1299

P1213 Injector Circuit Cylinder 1 Short To Positive
P1214 Injector Circuit Cylinder 2 Short To Positive
P1215 Injector Circuit Cylinder 3 Short To Positive
P1216 Injector Circuit Cylinder 4 Short To Positive
P1217 Injector Circuit Cylinder 5 Short To Positive
P1218 Injector Circuit Cylinder 6 Short To Positive
P1225 Injector Circuit Cylinder 1 Short To Ground
P1226 Injector Circuit Cylinder 2 Short To Ground
P1227 Injector Circuit Cylinder 3 Short To Ground
P1228 Injector Circuit Cylinder 4 Short To Ground
P1229 Injector Circuit Cylinder 5 Short To Ground
P1230 Injector Circuit Cylinder 6 Short To Ground
P1237 Injector Circuit Open Cylinder 1
P1238 Injector Circuit Open Cylinder 2
P1239 Injector Circuit Open Cylinder 3
P1240 Injector Circuit Open Cylinder 4
P1241 Injector Circuit Open Cylinder 5
P1242 Injector Circuit Open Cylinder 6
P1245 Needle Lift Sensor Short To Ground
P1246 Needle Lift Implausible Signal
P1247 Needle Lift Sensor Open/Short To Positive
P1248 Start Of Cold Start Injector Control Difference
P1251 Start Of Cold Start Injector Short To Positive
P1252 Start Of Cold Start Injector Open/Short To Ground
P1255 Engine Coolant Temperature Sensor Short To Ground
P1256 Engine Coolant Temperature Sensor Open/Short To Positive
P1300 Misfire Detected, Fuel Level Too Low
P1250 Fuel Level Too Low

VW Trouble Codes 1300-1399

P1325 Cyl. 1 Knock Control Limit Attained
P1326 Cyl. 2 Knock Control Limit Attained
P1327 Cyl. 3 Knock Control Limit Attained
P1328 Cyl. 4 Knock Control Limit Attained
P1329 Cyl. 5 Knock Control Limit Attained
P1330 Cyl. 6 Knock Control Limit Attained
P1336 Engine Torque Adaption At Limit
P1337 CMP Sensor Bank 1 Short To Ground
P1338 CMP Sensor Bank 1 Open Circuit Or Short To Positive
P1340 CKP/CMP Sensor Signals Out Of Sequence
P1341 Ignition Coil Output Stage 1 Short To Ground
P1343 Ignition Coil Output Stage 2 Short To Ground
P1345 Ignition Coil Output Stage 3 Short To Ground
P1354 Modulating Piston Displacement Sensor Electrial Circuit Malfunction
P1386 Internal Control Module Knock Control Error
P1387 Control Unit Internal Altitude Sensor
P1391 CMP Sensor Bank 2 Short To Ground
P1392 CMP Sensor Bank 2 Open Circuit/Short To Positive
P1393 Ignition Coil Power Output Stage 1 Malfunction
P1394 Ignition Coil Power Output Stage 2 Malfunction
P1395 Ignition Coil Power Output Stage 3 Malfunction

VW Trouble Codes 1400-1499

P1401 EGR Valve Power Stage Short To Ground
P1402 EGR Vacuum Regulator Solenoid Valve Short To Positive
P1403 EGR System Control Difference
P1407 EGR Temperature Sensor Signal Too Low
P1408 EGR Temperature Sensor Signal Too High
P1410 Tank Ventilation Valve Circuit Short To B+
P1420 Secondary Air Injection Control Module Electrical Malfunction
P1421 Secondary Air Injection Valve Circuit Short To Ground
P1422 Secondary Air Injection Valve Circuit Short To B+
P1424 Secondary Air Injection System Bank 1 Leak Detected
P1425 Tank Ventilation Valve Short To Ground
P1426 Tank Ventilation Valve Open Circuit
P1432 Secondary Air Injection Valve Open
P1433 Secondary Air Injection Pump Relay Circuit Open
P1434 Secondary Air Injection Pump Relay Circuit Short To Positive
P1435 Secondary Air Injection Pump Relay Circuit Short To Ground
P1436 Secondary Air Injection Pump Relay Circuit Electrical Malfunction
P1440 EGR Valve Power Stage Open
P1441 EGR Vacuum Regulator Solenoid Valve Open/Short To Ground
P1450 Secondary Air Injection System Circuit Short To Positive
P1451 Secondary Air Injection Circuit Short To Ground
P1452 Secondary Air Injection System Circuit Open
P1471 EVAP Control System LDP Circuit Short to Positive
P1472 EVAP Control System LDP Circuit Short To Ground
P1473 EVAP Control System LDP Open Circuit
P1475 EVAP Control System LDP Malfunction/Signal Circuit Open
P1476 EVAP Control System LDP Malfunction/Insufficient Vacuum
P1477 EVAP Control System LDP Malfunction
P1478 EVAP Control System LDP Clamped Tube Detected

VW Trouble Codes 1500-1599

P1500 Fuel Pump Relay Electrical Circuit Malfunction
P1501 Fuel Pump Relay Circuit Short To Ground
P1502 Fuel Pump Relay Circuit Short To Positive
P1505 Closed Throttle Position Does Not Close/Open Circuit
P1506 Closed Throttle Position Switch Does Not Open./Short To Ground
P1512 Intake Manifold Changeover Valve Circuit Short To Positive
P1515 Intake Manifold Changeover Valve Circuit Short To Ground
P1516 Intake Manifold Changeover Valve Circuit Open
P1519 Intake Camshaft Control Bank 1 Malfunction
P1522 Intake Camshaft Control Bank 2 Malfunction
P1537 Fuel Cut-off Valve Incorrect Function
P1538 Fuel Cut-off Valve Open/Short To Ground
P1539 Clutch Pedal Switch Signal Fault
P1540 VSS Signal Too High
P1541 Fuel Pump Relay Circuit Open
P1542 Throttle Actuation Potentiometer Range/Performance
P1543 Throttle Actuation Potentiometer Signal Too Low
P1544 Throttle Actuation Potentiometer Signal Too High
P1545 Throttle Position Control Malfunction
P1546 Wastegate Bypass Regulator Valve Short To Positive
P1547 Wastegate Bypass Regulator Valve Short To Ground
P1548 Wastegate Bypass Regulator Valve Open
P1549 Wastegate Bypass Regulator Valve Open/Short To Ground
P1550 Charge Pressure Control Difference
P1555 Charge Pressure Upper Limit Exceeded
P1556 Charge Pressure Negative Deviation
P1557 Charge Pressure Positive Deviation
P1558 Throttle Actuator Electrical Malfunction
P1559 Idle Speed Control Throttle Position Adaption Malfunction
P1560 Maximum Engine Speed Exceeded
P1561 Quantity Adjuster Control Difference
P1562 Quantity Adjuster Upper Stop Value
P1563 Quantity Adjuster Lower Stop Value
P1564 Idle Speed Control Throttle Position Low Voltage During Adaption
P1565 Idle Speed Control Throttle Position Lower Limit Not Obtained
P1568 Idle Speed Control Throttle Position Mechanical Malfunction
P1569 Switch For CCS Signal Faulty
P1580 Throttle Actuator B1 Malfunction
P1582 Idle Adaptation At Limit

VW Trouble Codes 1600-1699

P1600 Power Supply Terminal No. 15 Low Voltage
P1602 Power Supply Terminal No. 30 Low Voltage
P1603 Internal Control Module Self Check
P1606 Rough Road Spec. Engine Torque ABS-ECU Electrical Malfunction
P1611 MIL Call-Up Circuit/TCM Short To Ground
P1612 Engine Control Module Incorrect Coding
P1613 MIL Call-Up Circuit Open/Short To Positive
P1616 Glow Plug Indicator Lamp Short To Positive
P1617 Glow Plug Indicator Lamp Open/Short To Ground
P1618 Glow Plug Relay Short To Positive
P1619 Glow Plug Relay Open/Short To Ground
P1624 MIL Request Signal Active
P1626 Data Bus Drive Missing Command From M/T
P1630 Accelerator Pedal Position Sensor 1 Signal Too Low
P1631 Accelerator Pedal Position Sensor 1 Signal Too High
P1632 Accelerator Pedal Position Sensor 1/2 Supply Voltage
P1633 Accelerator Pedal Position Sensor 2 Signal Too Low
P1634 Accelerator Pedal Position Sensor 2 Signal Too High
P1639 Accelerator Pedal Position Sensor 1/2 Range Performance
P1640 Internal Control Module (EEPROM) Error
P1648 CAN-Bus System Component Failure
P1649 Data Bus Powertrain Missing Message From Brake Controller
P1676 Drive By Wire MIL Circuit Electrical Malfunction
P1677 Drive By Wire MIL Circuit Short To Positive
P1678 Drive By Wire MIL Circuit Short To Ground
P1679 Drive By Wire MIL Circuit Open Circuit
P1681 Control Module Programming Not Finished
P1686 Control Unit Error, Programming Error
P1690 MIL Malfunction
P1691 MIL Open Circuit
P1692 MIL Short To Ground
P1693 MIL Short To Positive

VW Trouble Codes 1700-1799

P1778 Solenoid EV7 Electrical Malfunction
P1780 Engine Intervention Readable

VW Trouble Codes 1800-1899

P1851 Data Bus Drive Missing Command From ABS
P1854 Drive Train CAN-Bus Inoperative