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DTC Definition

DTC IDENTIFICATION

DTC System Affected Condition
P0101  MAF Sensor Circuit Poor MAF Sensor Performance
P0102  MAF Sensor Circuit MAF Sensor Low Input
P0103  MAF Sensor Circuit MAF Sensor High Input
P0112  IAT Sensor Circuit Low IAT Sensor Circuit Input
P0113  IAT Sensor Circuit High IAT Sensor Circuit Input
P0117  ECT Sensor Circuit Low ECT Sensor Circuit Input
P0118  ECT Sensor Circuit High ECT Sensor Circuit Input
P0121  TP Sensor Circuit Poor TP Sensor Performance
P0122  TP Sensor Circuit Low TP Sensor Circuit Input
P0123  TP Sensor Circuit High TP Sensor Circuit Input
P0125  ECT Sensor Circuit Insufficient Coolant Temperature For Closed Loop Operation
P0131  HO2S No. 1 Circuit Low HO2S No. 1 Circuit Input
P0132  HO2S No. 1 Circuit High HO2S No. 1 Circuit Input
P0133  HO2S No. 1 Circuit Slow Response Of HO2S No. 1 Circuit
P0134  HO2S No. 1 Circuit No HO2S No. 1 Circuit Activity Detected
P0135  HO2S No. 1 Heater Circuit HO2S No. 1 Heater Circuit Malfunction
P0136  HO2S No. 2 Circuit HO2S No. 2 Circuit Malfunction
P0141  HO2S No. 2 Heater Circuit HO2S No. 2 Heater Circuit Malfunction
P0171  Fuel System Lean Total Fuel Trim Is Greater Than Allowed Specification
P0172  Fuel System Rich Total Fuel Trim Is Less Than Allowed Specification
P0300  Random Misfire Detected Electrical Or Mechanical Misfire (Catalyst Damaging)
P0301  Cylinder No. 1 Misfire Electrical Or Mechanical Misfire Common To One Cylinder
P0302  Cylinder No. 2 Misfire Electrical Or Mechanical Misfire Common To One Cylinder
P0303  Cylinder No. 3 Misfire Electrical Or Mechanical Misfire Common To One Cylinder
P0304  Cylinder No. 4 Misfire Electrical Or Mechanical Misfire Common To One Cylinder
P0335  CKP Sensor Circuit No CKP Sensor Signal (Engine Running)
P0340  CMP Sensor Circuit No CMP Sensor Signal For 2 Seconds During Engine Cranking
P0400  EGR Flow Malfunction Excessive Or Insufficient EGR Flow
P0420  Catalyst Efficiency Low HO2S No. 1 & 2 Output Is Similar
P0440 
(1)
EVAP Emission Control System EVAP System Leak Detected
P0443 
(2)
Canister Purge Control Valve Circuit Canister Purge Control System Malfunction
P0450 
(1)
EVAP System Pressure Sensor Pressure Sensor Circuit Open Or Shorted To Ground
P0461  Fuel Level Sensor Circuit Poor Fuel Level Sensor Circuit Performance
P0463  Fuel Level Sensor Circuit High Voltage Input
P0500  Vehicle Speed Sensor Malfunction No Signal In "D" Range
P0505  Idle Control System Malfunction Target Idle Speed Not Obtained
P0510  CTP Switch Malfunction No CTP Switch Activity
P0601  PCM Memory Check Sum Error Data Write Error
P0603  PCM Keep Alive Memory Error EEPROM Memory Error
P1408  MDP Sensor Circuit MDP Sensor Circuit Open Or Shorted To Ground
P1410 
(1)
Fuel Tank Pressure Control System Low Voltage Signal With High Fuel Level Reading
P1450  Barometric Pressure Sensor Low Or High Input
P1451  Barometric Pressure Sensor Barometric Pressure Sensor Performance Problem During Cranking
P1500  Engine Starter Signal Circuit No Input Or Constant Input From Starter Signal Circuit
P1510  PCM Back-Up Power Supply Malfunction No Back-Up Power Supply After Engine Start
P1530  Ignition Timing Adjustment Switch Circuit Test Switch Terminal Shorted To Ground
P1715 
(3)
PNP Switch Circuit Engine Start Or High Speed Is Detected In Other Than "P" Or "N" Range
(1) Applies only to vehicles equipped with tank pressure control solenoid vacuum valve.

(2) Applies only to vehicles not equipped with tank pressure control solenoid vacuum valve.

(3) Applies only to vehicles equipped with 3-speed A/T.