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Diagnostic Trouble Code Definitions

WARNING: This page is about a different car, the 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC CONSULT-II Display System/Circuit Affected
P0000 ----- No DTC Is Detected/Further Testing May Be Required
P0011  INT/V TIM CONT-B1 Bank 1 Intake Valve Timing Control Performance
P0021  INT/V TIM CONT-B2 Bank 2 Intake Valve Timing Control Performance
P0031  HO2S1 HTR (B1) Bank 1 HO2S1 Heater Control Circuit Low
P0032  HO2S1 HTR (B1) Bank 1 HO2S1 Heater Control Circuit High
P0037  HO2S2 HTR (B1) Bank 1 HO2S2 Heater Control Circuit Low
P0038  HO2S2 HTR (B1) Bank 1 HO2S2 Heater Control Circuit High
P0051  HO2S1 HTR (B2) Bank 2 HO2S1 Heater Control Circuit Low
P0052  HO2S1 HTR (B2) Bank 2 HO2S1 Heater Control Circuit High
P0057  HO2S2 HTR (B2) Bank 2 HO2S2 Heater Control Circuit Low
P0058  HO2S2 HTR (B2) Bank 2 HO2S2 Heater Control Circuit High
P0101  MAF SEN/CIRCUIT Mass Airflow Sensor Circuit Range/Performance Problem
P0102  MAF SEN/CIRCUIT Mass Air Flow Sensor Circuit Low Input
P0103  MAF SEN/CIRCUIT Mass Air Flow Sensor Circuit High Input
P0112  IAT SEN/CIRCUIT Intake Air Temperature Sensor Circuit Low Input
P0113  IAT SEN/CIRCUIT Intake Air Temperature Sensor Circuit High Input
P0117  ECT SEN/CIRCUIT Engine Coolant Temperature Sensor Circuit Low Input
P0118  ECT SEN/CIRCUIT Engine Coolant Temperature Sensor Circuit High Input
P0121  TP SEN/CIRCUIT Throttle Position Sensor Circuit Range/Performance Problem
P0122  TP SEN/CIRCUIT Throttle Position Sensor Circuit Low Input
P0123  TP SEN/CIRCUIT Throttle Position Sensor Circuit High Input
P0125  ECT SENSOR Insufficient Engine Coolant Temperature For Closed Loop Fuel Control
P0127  IAT SENSOR Intake Air Temperature Too High
P0128  THERMSTAT FNCTN Thermostat Function
P0132  HO2S1 (B1) Bank 1 HO2S1 Circuit High Voltage
P0133  HO2S1 (B1) Bank 1 HO2S1 Circuit Slow Response
P0134  HO2S1 (B1) Bank 1 HO2S1 Circuit No Activity Detected
P0138  HO2S2 (B1) Bank 1 HO2S2 Circuit High Voltage
P0139  HO2S2 (B1) Bank 1 HO2S2 Circuit Slow Response
P0152  HO2S1 (B2) Bank 2 HO2S1 Circuit High Voltage
P0153  HO2S1 (B2) Bank 2 HO2S1 Circuit Slow Response
P0154  HO2S1 (B2) Bank 2 HO2S1 Circuit No Activity Detected
P0158  HO2S2 (B2) Bank 2 HO2S2 Circuit High Voltage
P0159  HO2S2 (B2) Bank 2 HO2S2 Circuit Slow Response
P0171  FUEL SYS-LEAN/B1 Bank 1 Fuel Injection System Too Lean
P0172  FUEL SYS-RICH/B1 Bank 1 Fuel Injection System Too Rich
P0174  FUEL SYS-LEAN/B2 Bank 2 Fuel Injection System Too Lean
P0175  FUEL SYS-RICH/B2 Bank 2 Fuel Injection System Too Rich
P0181  FTT SENSOR Fuel Tank Temperature Sensor Circuit Range/Performance
P0182  FTT SEN/CIRCUIT Fuel Tank Temperature Sensor Circuit Low Input
P0183  FTT SEN/CIRCUIT Fuel Tank Temperature Sensor Circuit High Input
P0221  TP SENSOR Throttle Position Sensor Circuit Range Performance Problem
P0222  TP SEN 1/CIRC Throttle Position Sensor 1 Circuit Low Input
P0223  TP SEN 1/CIRC Throttle Position Sensor 1 Circuit High Input
P0226  APP SENSOR Accelerator Pedal Position Sensor Circuit Range/Performance Problem
P0227  APP SEN1/CIRC Accelerator Pedal Position Sensor 1 Circuit Low Input
P0228  APP SEN1/CIRC Accelerator Pedal Position Sensor 1 Circuit High Input
P0300  MULTI CYL MISFIRE Multiple Cylinder Misfire Detected
P0301  CYL 1 MISFIRE Cylinder No. 1 Misfire Detected
P0302  CYL 2 MISFIRE Cylinder No. 2 Misfire Detected
P0303  CYL 3 MISFIRE Cylinder No. 3 Misfire Detected
P0304  CYL 4 MISFIRE Cylinder No. 4 Misfire Detected
P0305  CYL 5 MISFIRE Cylinder No. 5 Misfire Detected
P0306  CYL 6 MISFIRE Cylinder No. 6 Misfire Detected
P0327  KNOCK SEN/CIRC-B1 Bank 1 Knock Sensor Circuit Low Input
P0328  KNOCK SEN/CIRC-B1 Bank 1 Knock Sensor High Input
P0335  CKP SEN/CIRCUIT Crankshaft Position Sensor (POS) Circuit
P0340  CMP SEN/CIRCUIT-B1 Bank 1 Camshaft Position Sensor (PHASE) Circuit
P0345  CMP SEN/CIRCUIT-B2 Bank 2 Camshaft Position Sensor (PHASE) Circuit
P0420  TW CATALYST SYS-B1 Bank 1 Catalyst System Efficiency Below Threshold
P0430  TW CATALYST SYS-B2 Bank 2 Catalyst System Efficiency Below Threshold
P0441  EVAP PURGE FLOW/MON EVAP Control System Incorrect Purge Flow
P0442  EVAP SMALL LEAK EVAP Control System Small Leak Detected (Negative Pressure)
P0444  PURG VOLUME CONT/V EVAP Canister Purge Volume Control Solenoid Valve Circuit Open
P0445  PURG VOLUME CONT/V EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted
P0447  VENT CONTROL VALVE EVAP Canister Vent Control Valve Circuit
P0451 (1) EVAP SYS PRES SEN (2) EVAP Control System Pressure Sensor Performance
P0452  EVAP SYS PRES SEN EVAP Control System Pressure Sensor Low Input
P0453  EVAP SYS PRES SEN EVAP Control System Pressure Sensor High Input
P0455  EVAP GROSS LEAK EVAP Control System Gross Leak Detected
P0456  EVAP VERY SML LEAK EVAP Control System Very Small Leak (Negative Pressure Check)
P0460  FUEL LEV SEN SLOSH Fuel Level Sensor Function (Slosh)
P0461  FUEL LEVEL SENSOR Fuel Level Sensor Circuit Range/Performance
P0462  FUEL LEVL SEN/CIRC Fuel Level Sensor Circuit Low Input
P0463  FUEL LEVL SEN/CIRC Fuel Level Sensor Circuit High Input
P0500  VEH SPEED SEN/CIRC Vehicle Speed Sensor
P0506  ISC SYSTEM Idle Speed Control System RPM Lower Than Expected
P0507  ISC SYSTEM Idle Speed Control System RPM Higher Than Expected
P0550  PW ST P SEN/CIRC Power Steering Pressure Sensor Circuit
P0605  ECM Engine Control Module
P0650  MIL/CIRC Malfunction Indicator Light Circuit
P0705 PNP SW/CIRC (3) Park/Neutral Position Switch Circuit
P0710 ATF TEMP SEN/CIRC (3) A/T Fluid Temperature Sensor Circuit
P0720 VEH SPD SEN/CIR AT (3) Vehicle Speed Sensor A/T (Revolution Sensor)
P0725 ENGINE SPEED SIG (3) No Ignition Signal From ECM
P0740 TCC SOLENOID/CIRC (3) Torque Converter Clutch Solenoid Valve
P0744 A/T TCC S/V FNCTN (3) Torque Converter Clutch Solenoid Valve Function (Lock-Up)
P0745 L/PRESS SOL/CIRC (3) Line Pressure Solenoid Valve
P1065  ECM BACK UP/CIRCUIT Engine Control Module Power Supply (Back-Up)
P1102  MAF SENSOR Mass Airflow Sensor Circuit Range/Performance Problem
P1121  ETC ACTR Electric Throttle Control Performance Problem
P1122  ETC FUNCTION/CIRC Electric Throttle Control Circuit
P1124  ETC MOT PWR Throttle Control Motor Relay Circuit Shorted
P1126  ETC MOT PWR Throttle Control Motor Relay Circuit Open
P1128  ETC MOT Throttle Control Motor Circuit Shorted
P1143  HO2S1 (B1) Bank 1 HO2S1 Lean Shift Monitoring
P1144  HO2S1 (B1) Bank 1 HO2S1 Rich Shift Monitoring
P1146  HO2S2 (B1) Bank 1 HO2S2 Minimum Voltage Monitoring
P1147  HO2S2 (B1) Bank 1 HO2S2 Maximum Voltage Monitoring
P1148  CLOSED LOOP-B1 Closed Loop Control Function
P1163  HO2S1 (B2) Bank 2 HO2S1 Lean Shift Monitoring
P1164  HO2S1 (B2) Bank 2 HO2S1 Rich Shift Monitoring
P1166  HO2S2 (B2) Bank 2 HO2S2 Minimum Voltage Monitoring
P1167  HO2S2 (B2) Bank 2 HO2S2 Maximum Voltage Monitoring
P1168  CLOSED LOOP-B2 Bank 2 Closed Loop Control Function
P1211  TCS C/U FUNCTN Traction Control System Control Unit
P1212  TCS/CIRC Traction Control System Communication Line
P1217  ENG OVER TEMP Engine Over Temperature (Overheat)
P1223  TP SEN 2/CIRC Throttle Position Sensor 2 Circuit Low Input
P1224  TP SEN 2/CIRC Throttle Position Sensor 2 Circuit High Input
P1225  CTP LEARNING Closed Throttle Position Learning Performance Problem
P1226  CTP LEARNING Closed Throttle Position Learning Performance Problem
P1227  APP SEN 2/CIRC Accelerator Pedal Position Sensor 2 Circuit Low Input
P1228  APP SEN 2/CIRC Accelerator Pedal Position Sensor 2 Circuit High Input
P1229  SENSOR POWER/CIRC Sensor Power Supply Circuit Shorted
P1444  PURG VOLUME CONT/V EVAP Canister Purge Volume Control Solenoid Valve
P1446  VENT CONTROL VALVE EVAP Canister Vent Control Valve Closed
P1464  FUEL LEVL SEN/CIRC Fuel Level Sensor Circuit Ground Signal
P1564  ASCD SW Automatic Speed Control Device Steering Switch
P1572  ASCD BRAKE SW Automatic Speed Control Device Brake Switch
P1574  ASCD VHL SPD SEN Automatic Speed Control Device Vehicle Speed Sensor
P1610-P1615 NATS MALFUNCTION (4) Infiniti Vehicle Immobilizer System/Nissan Anti-Theft System
P1701 TCM - POWER SUPPLY (3) Transmission Control Module Power Supply Circuit
P1702 TCM - RAM (3) Transmission Control Module Random Access Memory
P1703 TCM - ROM (3) Transmission Control Module Read Only Memory
P1704 TCM - EEPROM (3) Transmission Control Module Electronically Erasable Programmable Read Only Memory
P1705 TP SEN/CIRC A/T (3) No TP Sensor Signal From ECM
P1706  P-N POS SW/CIRCUIT Park/Neutral Position Switch
P1710 ATM TEMP SEN/CIRC (3) A/T Fluid Temperature Sensor Circuit
P1716 TURBINE REV S/CIRC (3) Turbine Revolution Sensor
P1721 VEH SPD SE/CIR-MTR (3) Vehicle Speed Sensor Motor
P1730 A/T INTERLOCK (3) A/T Interlock
P1731 A/T 1ST E/BRAKING (3) A/T First Engine Braking
P1752 I/C SOLENOID/CIRC (3) Input Clutch Solenoid Valve
P1754 I/C SOLENOID FNCTN (3) Input Clutch Solenoid Valve Function
P1757 FR/B SOLENOID/CIRC (3) Front Brake Solenoid Valve
P1759 FR/B SOLENOID FNCT (3) Front Brake Solenoid Valve Function
P1762 D/C SOLENOID/CIRC (3) Direct Clutch Solenoid Valve
P1764 D/C SOLENOID FNCTN (3) Direct Clutch Solenoid Valve Function
P1767 HLR/C SOL/CIRC (3) High & Low Reverse Clutch Solenoid Valve
P1769 HLR/C SOL FNCTN (3) High & Low Reverse Clutch Solenoid Valve Function
P1772 LC/B SOLENOID/CIRC (3) Low Coast Brake Solenoid Valve
P1774 LC/B SOLENOID FNCT (3) Low Coast Brake Solenoid Valve Function
P1805  BRAKE SW/CIRCUIT Brake Switch
P1815 MANU MODE SW/CIRC (3) Manual Mode Switch
P1841 ATF PRES SW 1/CIRC (3) A/T Fluid Pressure Switch 1
P1843 ATF PRES SW 3/CIRC (3) A/T Fluid Pressure Switch 3
P1845 ATF PRES SW 3/CIRC (3) A/T Fluid Pressure Switch 5
P1846 ATF PRES SW 3/CIRC (3) A/T Fluid Pressure Switch 6
U1000 (5) CAN COMM CIRCUIT CAN Communication Line
U1001 (5) CAN COMM CIRCUIT CAN Communication Line
(1) This DTC is applicable to vehicles with serial No. 300001 and after.
(2) This Consult-II screen is displayed with Consult-II program card released after AED02D.
(3) See appropriate DIAGNOSIS article in AUTOMATIC TRANSMISSIONS.
(4) See appropriate IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
(5) If DTC U1000 or U1001 is displayed with other DTC, diagnose DTC U1000 or DTC 1001 first.
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