DTC Troubleshooting Index

DTC TROUBLESHOOTING CHART

DTC (MIL indication⁽¹⁾)

Two Drive Cycle Detection

Detection Item

MIL

P0107 (3)

Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

P0108 (3)

Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

P011 (10)

◦

Intake Air Temperature (IAT) Sensor Circuit Range/Performance Problem

P0112 (10)

Intake Air Temperature (IAT) Sensor Circuit Low Voltage

P0113 (10)

Intake Air Temperature (IAT) Sensor Circuit High Voltage

P0116 (86)

◦

Engine Coolant Temperature (ECT) Sensor 1 Range/Performance Problem

P0117 (6)

Engine Coolant Temperature (ECT) Sensor 1 Circuit Low Voltage

P0118 (6)

Engine Coolant Temperature (ECT) Sensor 1 Circuit High Voltage

P0122 (7)

Throttle Position (TP) Sensor A Circuit Low Voltage

P0123 (7)

Throttle Position (TP) Sensor A Circuit High Voltage

P0125 (86)

◦

Engine Coolant Temperature (ECT) Sensor 1 Malfunction/Slow Response

P0128 (87)

◦

Cooling System Malfunction

P0133 (61)

◦

Air Fuel Ratio (A/F) Sensor (Sensor 1) Responce Malfunction/Slow Response

P0134 (41)

◦

Air Fuel Ratio (A/F) Sensor (Sensor 1) Heater System Malfunction

P0135 (41)

Air Fuel Ratio (A/F) Sensor (Sensor 1) Heater Circuit Malfunction

P0137 (63)

Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Circuit Low Voltage

P0138 (63)

Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Circuit High Voltage

P0139 (63)

◦

Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Slow Response

P0141 (65)

Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Heater Circuit Malfunction

P0171 (45)

◦

Fuel System Too Lean

P0172 (45)

◦

Fuel System Too Rich

P0222 (7)

Throttle Position (TP) Sensor B Circuit Low Voltage

P0223 (7)

Throttle Position (TP) Sensor B Circuit High Voltage

P0300 (75) any combination of the following
P0301 (71)
P0302 (72)
P0303 (73)
P0304 (74)

◦

Random Misfire Detected

P0301 (71)

◦

No. 1 Cylinder Misfire Detected

P0302 (72)

◦

No. 2 Cylinder Misfire Detected

P0303 (73)

◦

No. 3 Cylinder Misfire Detected

P0304 (74)

◦

No. 4 Cylinder Misfire Detected

P0325 (23)

Knock Sensor Circuit Malfunction

P0335 (4)

Crankshaft Position (CKP) Sensor No Signal

P0339 (4)

Crankshaft Position (CKP) Sensor Intermittent Interruption

P0365 (8)

Camshaft Position (CMP) Sensor No Signal

P0369 (8)

Camshaft Position (CMP) Sensor Intermittent Interruption

P0401 (80)

◦

Exhaust Gas Recirculation (EGR) Insufficient Flow

P0404 (12)

◦

Exhaust Gas Recirculation (EGR) Valve Circuit Range/Performance Problem

P0406 (12)

Exhaust Gas Recirculation (EGR) Valve Position Sensor Circuit High Voltage

P0420 (67)

◦

Catalyst System Efficiency Below Threshold

NOTE: The above DTCs are indicated when the PGM-FI system is selected in the HDS.

Some automatic transmission DTCs cause the MIL to come on. If the MIL is on and no DTCs are indicated in the PGM-FI system, select the A/T system, and check for automatic transmission DTCs.

⁽¹⁾	These DTCs are indicated by a blinking MIL when the SCS line is jumped with the HDS.

DTC TROUBLESHOOTING CHART

DTC (MIL indication⁽¹⁾)

Two Drive Cycle Detection

Detection Item

MIL

P0443 (92)

Evaporative Emission (EVAP) Canister Purge Valve Circuit Malfunction

P0451 (91)

◦

Fuel Tank Pressure (FTP) Sensor Range/Performance Problem

P0452 (91)

Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage

P0453 (91)

Fuel Tank Pressure (FTP) Sensor Circuit High Voltage

P0455 (90)

◦

Evaporative Emission (EVAP) System Large Leak Detected

P0456 (90)

◦

Evaporative Emission (EVAP) System Very Small Leak Detected

P0457 (90)

◦

Evaporative Emission (EVAP) System Leak Detected/Fuel Fill Cap Loose or Missing

P0461 (121)

Fuel Level Sensor (Fuel Gauge Sending Unit) Range/Performance Problem

OFF

P0462 (121)

Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Low Voltage

OFF

P0463 (121)

Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit High Voltage

OFF

P0496 (92)

◦

Evaporative Emission (EVAP) System High Purge Flow

P0497 (90)

◦

Evaporative Emission (EVAP) System Low Purge Flow

P0498 (117)

Evaporative Emission (EVAP) Canister Vent Shut Valve Circuit Low Voltage

P0499 (117)

Evaporative Emission (EVAP) Canister Vent Shut Valve Circuit High Voltage

P0500 (17)⁽²⁾

Vehicle Speed Sensor (VSS) Circuit Malfunction

P0506 (14)

◦

Idle Control System RPM Lower Than Expected

P0507 (14)

◦

Idle Control System RPM Higher Than Expected

P0562 (34)

Charging System Low Voltage

OFF

P0563 (34)

Engine Control Module (ECM)/Powertrain Control Module (PCM) Power Source Circuit Unexpected Voltage

OFF

P0602 (196)

Engine Control Module (ECM)/Powertrain Control Module (PCM) Programming Error

P0603 (131)

Engine Control Module (ECM)/Powertrain Control Module (PCM) Internal Control Module Keep Alive Memory (KAM) Error

P0606 (0)

Engine Control Module (ECM)/Powertrain Control Module (PCM) Processor Malfunction

P0630 (139)

VIN Not Programmed or Mismatch

P0685 (135)

◦

Engine Control Module (ECM)/Powertrain Control Module (PCM) Power Control Circuit/Internal Circuit Malfunction

P1109 (13)

Barometric Pressure (BARO) Sensor Circuit Out of Range High

P1116 (86)

◦

Engine Coolant Temperature (ECT) Sensor 1 Performance Problem

P1128 (5)

◦

Manifold Absolute Pressure (MAP) Sensor Signal Lower Than Expected

P1129 (5)

◦

Manifold Absolute Pressure (MAP) Sensor Signal Higher Than Expected

NOTE: The above DTCs are indicated when the PGM-FI system is selected in the HDS.

Some automatic transmission DTCs cause the MIL to come on. If the MIL is on and no DTCs are indicated in the PGM-FI system, select the A/T system, and check for automatic transmission DTCs.

⁽¹⁾	These DTCs are indicated by a blinking MIL when the SCS line is jumped with the HDS.

⁽²⁾

M/T

DTC TROUBLESHOOTING CHART

DTC (MIL indication⁽¹⁾)

Two Drive Cycle Detection

Detection Item

MIL

P1157 (48)

Air Fuel Ratio (A/F) Sensor (Sensor 1) AFS Circuit High Voltage

P1172 (61)

Air Fuel Ratio (A/F) Sensor (Sensor 1) Circuit Out of Range High

P1297 (20)⁽²⁾

Electrical Load Detector (ELD) Circuit Low Voltage

OFF

P1298 (20)⁽²⁾

Electrical Load Detector (ELD) Circuit High Voltage

OFF

P1454 (91)

◦

Fuel Tank Pressure (FTP) Sensor Range/Performance Problem

P1549 (34)

Charging System High Voltage

OFF

P1683 (40)

Throttle Valve Default Position Spring Performance Problem

P1684 (40)

Throttle Valve Return Spring Performance Problem

P16BB (116)

Alternator B Terminal Circuit Low Voltage

OFF

P16BC (116)

Alternator FR Terminal Circuit/IGP Circuit Low Voltage

OFF

P2101 (40)

Throttle Actuator System Malfunction

P2108 (40)

Throttle Actuator Control Module Problem

P2118 (40)

Throttle Actuator Current Range/Performance Problem

P2122 (37)

Accelerator Pedal Position (APP) Sensor A (Throttle Position (TP) Sensor D) Circuit Low Voltage

P2123 (37)

Accelerator Pedal Position (APP) Sensor A (Throttle Position (TP) Sensor D) Circuit High Voltage

P2127 (37)

Accelerator Pedal Position (APP) Sensor B (Throttle Position (TP) Sensor E) Circuit Low Voltage

P2128 (37)

Accelerator Pedal Position (APP) Sensor B (Throttle Position (TP) Sensor E) Circuit High Voltage

P2135 (7)

Throttle Position (TP) Sensor A/B Incorrect Voltage Correlation

P2138 (37)

Accelerator Pedal Position (APP) Sensor A/B (Throttle Position (TP) Sensor D/E) Incorrect Voltage Correlation

P2176 (40)

Throttle Actuator Control System Idle Position Not Learned

P2183 (192)

◦

Engine Coolant Temperature (ECT) Sensor 2 Range/Performance Problem

P2184 (192)

Engine Coolant Temperature (ECT) Sensor 2 Circuit Low Voltage

P2185 (192)

Engine Coolant Temperature (ECT) Sensor 2 Circuit High Voltage

P2195 (48)

Air Fuel Ratio (A/F) Sensor (Sensor 1) Signal Stuck Lean

P2227 (13)

◦

Barometric Pressure (BARO) Sensor Range/Performance Problem

P2228 (13)

Barometric Pressure (BARO) Sensor Circuit Low Voltage

P2229 (13)

Barometric Pressure (BARO) Sensor Circuit High Voltage

P2238 (48)

Air Fuel Ratio (A/F) Sensor (Sensor 1) AFS+ Line Low Voltage

P2252 (48)

Air Fuel Ratio (A/F) Sensor (Sensor 1) AFS - Line Low Voltage

P2270 (63)

◦

Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Circuit Signal Stuck Lean

P2271 (63)

◦

Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Circuit Signal Stuck Rich

P2279 (109)

◦

Intake Air System Leak Detected

P2413 (12)

◦

Exhaust Gas Recirculation (EGR) System Malfunction

NOTE: The above DTCs are indicated when the PGM-FI system is selected in the HDS.

Some automatic transmission DTCs cause the MIL to come on. If the MIL is on and no DTCs are indicated in the PGM-FI system, select the A/T system, and check for automatic transmission DTCs.

⁽¹⁾	These DTCs are indicated by a blinking MIL when the SCS line is jumped with the HDS.

⁽²⁾	USA, '08 Canada (M/T) models

DTC TROUBLESHOOTING CHART

DTC (MIL indication ⁽¹⁾)

Two Drive Cycle Detection

Detection Item

MIL

P2422 (117)

◦

Evaporative Emission (EVAP) Canister Vent Shut Valve Stuck Closed Malfunction

P2552 (40)

Throttle Actuator Control Module Relay Malfunction

P2610 (132)

Engine Control Module (ECM)/Powertrain Control Module (PCM) Ignition Off Internal Timer Performance Problem

P2646 (22)

Rocker Arm Oil Pressure Switch Circuit Low Voltage

P2647 (22)

Rocker Arm Oil Pressure Switch Circuit High Voltage

P2648 (21)

Rocker Arm Oil Control Solenoid Circuit Low Voltage

P2649 (21)

Rocker Arm Oil Control Solenoid Circuit High Voltage

P2A00 (61)

◦

Air Fuel Ratio (A/F) Sensor (Sensor 1) Range/Performance Problem

U0028 (126)⁽²⁾

F-CAN Malfunction (BUS-OFF (Engine Control Module (ECM)/ Powertrain Control Module (PCM))

U0107 (30)

Lost Communication With Throttle Actuator Control Module

U0155 (126)

F-CAN Malfunction (Engine Control Module (ECM)/Powertrain Control Module (PCM)-Gauge Control Module)

NOTE: The above DTCs are indicated when the PGM-FI system is selected in the HDS.

Some automatic transmission DTCs cause the MIL to come on. If the MIL is on and no DTCs are indicated in the PGM-FI system, select the A/T system, and check for automatic transmission DTCs.

⁽¹⁾	These DTCs are indicated by a blinking MIL when the SCS line is jumped with the HDS.

⁽²⁾

A/T