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Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC Description Go To
P0000 No Faults Detected N/A
P0100 MAF Sensor Circuit Fault Test DC  , Step  1)
P0105 MAP/BARO Sensor Fault Test DB  , Step  1)
P0110 IAT Sensor Circuit Fault Test DA  , Step  1)
P0115 ECT Sensor Circuit Fault Test DA  , Step  1)
P0120 Throttle Position Sensor Circuit Fault Test DH  , Step  1)
P0125 Insufficient Coolant Temperature For Closed Loop Test DA  , Step  100)
P0130 HO2S-11 Circuit Malfunction Test H  , Step  1)
P0131 HO2S-11 Low Voltage Test H  , Step  1)
P0132 HO2S-11 High Voltage Test H  , Step  1)
P0133 HO2S-11 Slow Response Test H  , Step  1)
P0134 HO2S-11 No Activity Detected Test H  , Step  1)
P0135 HO2S-11 Heater Circuit Malfunction Test H  , Step  20)
P0137 HO2S-12 Low Voltage Test H  , Step  1)
P0138 HO2S-12 High Voltage Test H  , Step  1)
P0139 HO2S-12 Slow Response Test H  , Step  1)
P0140 HO2S-12 No Activity Detected Test H  , Step  1)
P0141 HO2S-12 Heater Circuit Malfunction Test H  , Step  20)
P0171 Fuel Mixture Too Lean - Bank 1 Test H  , Step  40)
P0172 Fuel Mixture Too Rich - Bank 1 Test H  , Step  40)
P0180 Fuel Temperature Sensor Circuit Test HX  , Step  120)
P0300 Random Or Multiple Misfire Detected Test HD  , Step  1)
P0301 Cylinder No. 1 Misfire Detected Test HD  , Step  1)
P0302 Cylinder No. 2 Misfire Detected Test HD  , Step  1)
P0303 Cylinder No. 3 Misfire Detected Test HD  , Step  1)
P0304 Cylinder No. 4 Misfire Detected Test HD  , Step  1)
P0305 Cylinder No. 5 Misfire Detected Test HD  , Step  1)
P0306 Cylinder No. 6 Misfire Detected Test HD  , Step  1)
P0325 (1) Knock Sensor Circuit Fault Test DG  , Step  1)
P0335 CKP Sensor Circuit Fault Test DS  , Step  1)
P0340 CMP Sensor Circuit Fault Test DR , Step  1)
P0420 Catalyst Efficiency Fault; Bank 1 Test HF  , Step  1)
P0440 Small Leak Detected In Evaporative Emission System (2)
P0443 EVAP Emission Control System Purge Volume Control Valve Test HX  , Step  15)
P0446 EVAP Emission Control System Vent Control Circuit Test HX  , Step  35)
P0450 EVAP Emission Control System Pressure Sensor Malfunction Test HX  , Step  25)
P0455 EVAP Emission Control System Leak Detected (Gross Leak/No Flow) (2)
P0500 Vehicle Speed Sensor Malfunction Test DP  , Step  1)
P0505 Idle Control System Fault Test KE  , Step  1)
P0510 Closed TP Sensor Malfunction Test HB , Step  1)
P0600 Serial Communication Link Fault Test QA  , Step  30)
P0605 PCM Read Only Memory Error (3)
P0705 Transmission Range Sensor Circuit Malfunction (4)
P0710 Transmission Fluid Temperature Sensor Circuit Malfunction (4)
P0720 Output Speed Sensor Circuit Malfunction (4)
P0725 Engine Speed Input Circuit Malfunction Test ND  , Step  10)
P0731 Incorrect Ratio - Gear 1 (4)
P0732 Incorrect Ratio - Gear 2 (4)
P0733 Incorrect Ratio - Gear 3 (4)
P0734 Incorrect Ratio - Gear 4 (4)
P0740 Torque Converter Clutch Circuit Malfunction (4)
P0744 Torque Converter Clutch Solenoid Malfunction (4)
P0745 Pressure Control Solenoid Malfunction (4)
P0750 Shift Solenoid "A" Circuit Malfunction (4)
P0755 Shift Solenoid "B" Circuit Malfunction (4)
P1105 MAP/BARO Solenoid Circuit Malfunction Test DB  , Step  15)
P1148 Closed Loop Control Malfunction Test H  , Step  1)
P1217 Engine Over Temperature Test DA  , Step  19)
P1320 Distributor Signal Interrupt Test JA  , Step  3)
P1336 Crankshaft Position Sensor Test DS  , Step  1)
P1440 EVAP Emission Control System Small Leak Detected (2)
P1444 EVAP Emission Control System Canister Purge Valve Test HX  , Step  20)
P1446 EVAP Emission Control System Vent Control (Closed) Test HX  , Step  95)
P1447 EVAP Emission Purge Flow Monitoring Test HX  , Step  105)
P1448 EVAP Emission Control System Vent Control (Open) Test HX  , Step  85)
P1490 EVAP Emission Vacuum Cut By-Pass Solenoid Circuit Test HX  , Step  65)
P1491 EVAP Emission Vacuum Cut By-Pass Solenoid Malfunction Test HX  , Step  75)
P1605 A/T Data Communication Line Fault Test QA  , Step  30)
P1705 Throttle Position Sensor Fault (A/T) Test KN  , Step  1)
P1706 Park/Neutral Position Switch Not Switching (4)
P1760 Overrun Clutch S/V (4)
(1) Freeze frame data will not be stored in the ECM for the knock sensor. The MIL will not light for a knock sensor malfunction.
(2) See EVAPORATIVE EMISSIONS DIAGNOSTIC TROUBLE CODE DEFINITIONS .
(3) Replace PCM.
(4) See DIAGNOSTIC TROUBLE CODE DEFINITIONS under SELF-DIAGNOSTIC SYSTEM in 4F20E DIAGNOSIS article in AUTOMATIC TRANSMISSIONS.
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