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Diagnostic Trouble Code (DTC) Identification

NOTE: Before opersting scan tool or performing any diagnostic test, refer to SELF-DIAGNOSTICS - INTRODUCTION article for scan tool usage, diagnostic system functions and other system diagnostic procedures.
DTC IDENTIFICATION

DTC System Affected Condition
P0101 (1) MAF Sensor Circuit Poor MAF Sensor Performance
P0102 (1) MAF Sensor Circuit Low MAF Sensor Circuit Low Voltage
P0103 (1) MAF Sensor Circuit High MAF Sensor Circuit High Voltage
P0106 (2) MAP Sensor Circuit Poor MAP Sensor Performance
P0107 (2) MAP Sensor Circuit Low MAP Sensor Circuit Input
P0108 (2) MAP Sensor Circuit High MAP Sensor Circuit Input
P0111  IAT Sensor Circuit Circuit Range/Performance Problem
P0112  IAT Sensor Circuit Low IAT Sensor Circuit Input
P0113  IAT Sensor Circuit High IAT Sensor Circuit Input
P0116  ECT Sensor Circuit Low Coolant Temperature Or Specified Value
P0117  ECT Sensor Circuit Low ECT Sensor Circuit Input
P0118  ECT Sensor Circuit High ECT Sensor Circuit Input
P0121 (2) 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 (2) ECT Sensor Circuit Insufficient Coolant Temperature For Closed Loop Operation
P0125 (1) ECT Sensor Circuit Insufficient Coolant Temperature For Closed Loop Operation
P0131 (2) HO2S No. 1 Circuit Low HO2S No. 1 Circuit Input
P0131 (1) HO2S No. 1 Circuit Low HO2S No. 1 Circuit Input
P0132 (2) HO2S No. 1 Circuit High HO2S No. 1 Circuit Input
P0132 (1) HO2S No. 1 Circuit High HO2S No. 1 Circuit Input
P0133  HO2S No. 1 Circuit Slow Response Of HO2S No. 1 Circuit
P0134 (2) HO2S No. 1 Circuit No HO2S No. 1 Circuit Activity Detected
P0134 (1) HO2S No. 1 Circuit No HO2S No. 1 Circuit Activity Detected
P0135 (2) HO2S No. 1 Heater Circuit HO2S No. 1 Heater Circuit Malfunction
P0135 (1) HO2S No. 1 Heater Circuit HO2S No. 1 Heater Circuit Malfunction
P0136 (2) HO2S No. 2 Circuit HO2S No. 2 Circuit Malfunction
P0136 (1) HO2S No. 2 Circuit HO2S No. 2 Circuit Malfunction
P0141 (2) HO2S No. 2 Heater Circuit HO2S No. 2 Heater Circuit Malfunction
P0141 (1) HO2S No. 2 Heater Circuit HO2S No. 2 Heater Circuit Malfunction
P0171 (2) Fuel System Lean Total Fuel Trim Is Greater Than Allowed Specification
P0171 (1) Fuel System Lean Total Fuel Trim Is Greater Than Allowed Specification
P0172 (2) Fuel System Rich Total Fuel Trim Is Less Than Allowed Specification
P0172 (1) 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 (2) CKP Sensor Circuit No CKP Sensor Signal For 2 Seconds During Engine Cranking
P0335 (1) CKP Sensor Circuit No CKP Sensor Signal For 2 Seconds During Engine Cranking
P0340 (2) CMP Sensor Circuit No CMP Sensor Signal (Engine Running)
P0340 (1) CMP Sensor Circuit No CMP Sensor Signal (Engine Running)
P0400 (2) EGR Flow Malfunction Excessive Or Insufficient EGR Flow
P0400 (1) EGR Flow Malfunction Excessive Or Insufficient EGR Flow
P0420 (2) Catalyst Efficiency Low HO2S No. 1 & 2 Output Is Similar
P0420 (1) Catalyst Efficiency Low HO2S No. 1 & 2 Output Is Similar
P0440 (2) EVAP Emission Control System EVAP System Leak Detected
P0440 (1) EVAP Emission Control System EVAP System Leak Detected
P0450 (2) EVAP System Pressure Sensor Pressure Sensor Circuit Open Or Shorted To Ground
P0450 (1) EVAP System Pressure Sensor Pressure Sensor Circuit Open Or Shorted To Ground
P0451 (2) EVAP Emission Control System Low Tank Pressure With Engine Running
P0451 (1) EVAP Emission Control System Low Tank Pressure With Engine Running
P0455 (2) EVAP Emission Control System EVAP System Leak Detected (Gross Leak)
P0455 (1) EVAP Emission Control System EVAP System Leak Detected (Gross Leak)
P0461 (2) Fuel Level Sensor Circuit Poor Fuel Level Sensor Circuit Performance
P0461 (1) Fuel Level Sensor Circuit Poor Fuel Level Sensor Circuit Performance
P0463  Fuel Level Sensor Circuit High Voltage Input
P0480  Radiator Fan Control System Low Fan Control Relay Terminal Voltage With Low Coolant Temperature
P0480  Radiator Fan Control System Low Fan Control Relay Terminal Voltage With Low Coolant Temperature
P0481 (3) A/C Fan Control System Low A/C Fan Control Relay Terminal Voltage With Low Coolant Temperature
P0481 (1) A/C Fan Control System Low A/C Fan Control Relay Terminal Voltage With Low Coolant Temperature
P0500 (4) Vehicle Speed Sensor Malfunction No Signal During Fuel-Cut
P0505 (3) Idle Control System Malfunction Target Idle Speed Not Obtained
P0505 (1) Idle Control System Malfunction Target Idle Speed Not Obtained
P0506 (2) Idle Control System RPM High Idle RPM Is Lower Than Expected
P0507 (2) Idle Control System RPM Low Idle RPM Is Higher Than Expected
P0601  PCM Memory Check Sum Error Data Write Error
P0603  PCM Keep Alive Memory Error EEPROM Memory Error
P1408 (1) Manifold Differential Pressure Sensor Circuit Malfunction Output Voltage Higher Or Lower Than Specification
P1410 (2) Fuel Tank Pressure Control System Low Voltage Signal With High Fuel Level Reading
P1410 (1) Fuel Tank Pressure Control System Low Voltage Signal With High Fuel Level Reading
P1450 (2) Barometric Pressure Sensor Low Or High Input
P1450 (1) Barometric Pressure Sensor Low Or High Input
P1451 (2) Barometric Pressure Sensor Barometric Pressure Sensor Performance Problem During Cranking
P1451 (1) 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
P1600 (2) Serial Communication PCM/TCM No Signal Or Check Sum Error While Engine Running
P1600 (1) Serial Communication PCM/TCM No Signal Or Check Sum Error While Engine Running
P1717 (4) A/T Drive Range Signal Circuit No "D" Range Signal During Vehicle Operation
(1) Esteem 1.8L only.
(2) Esteem 1.6L & Swift only.
(3) Esteem 1.6L only.
(4) Esteem only.
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