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DTC Troubleshooting Index

DTC TROUBLESHOOTING CHART (1 OF 4)

DTC (MIL indication(1)) Temporary DTC Detection Item MIL
P0107 (3) - Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage ON
P0108 (3) - Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage ON
P0111 (10) P0111 Intake Air Temperature (IAT) Sensor Circuit Range/Performance Problem ON
P0112 (10) - Intake Air Temperature (IAT) Sensor Circuit Low Voltage ON
P0113 (10) - Intake Air Temperature (IAT) Sensor Circuit High Voltage ON
P0116 (86) P0116 Engine Coolant Temperature (ECT) Sensor 1 Range/Performance Problem ON
P0117 (6) - Engine Coolant Temperature (ECT) Sensor 1 Circuit Low Voltage ON
P0118 (6) - Engine Coolant Temperature (ECT) Sensor 1 Circuit High Voltage ON
P0122 (7) - Throttle Position (TP) Sensor A Circuit Low Voltage ON
P0123 (7) - Throttle Position (TP) Sensor A Circuit High Voltage ON
P0125 (86) P0125 Engine Coolant Temperature (ECT) Sensor 1 Malfunction/Slow Response ON
P0128 (87) P0128 Cooling System Malfunction ON
P0133 (157) P0133 Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) Circuit Slow Response ON
P0134 (151) - Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) Heater System Malfunction ON
P0135 (151) - Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) Heater Circuit Malfunction ON
P0137 (161) - Rear Secondary Heated Oxygen Sensor (Secondary HO2S (Bank 1, Sensor 2)) Circuit Low Voltage ON
P0138 (161) - Rear Secondary Heated Oxygen Sensor (Secondary HO2S (Bank 1, Sensor 2)) Circuit High Voltage ON
P0139 (161) P0139 Rear Secondary Heated Oxygen Sensor (Secondary HO2S (Bank 1, Sensor 2)) Circuit Slow Response ON
P0141 (163) - Rear Secondary Heated Oxygen Sensor (Secondary HO2S (Bank 1, Sensor 2)) Heater Circuit Malfunction ON
P0153 (158) P0153 Front Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) Circuit Slow Response ON
P0154 (152) - Front Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) Heater System Malfunction ON
P0155 (152) - Front Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) Heater Circuit, Malfunction ON
P0157 (162) P0157 Front Secondary Heated Oxygen Sensor (Secondary HO2S (Bank 2, Sensor 2)) Circuit Low Voltage ON
P0158 (162) P0158 Front Secondary Heated Oxygen Sensor (Secondary HO2S (Bank 2, Sensor 2)) Circuit High Voltage ON
P0159 (162) P0159 Front Secondary Heated Oxygen Sensor (Secondary HO2S (Bank 2, Sensor 2)) Circuit Slow Response ON
P0161 (164) - Front Secondary Heated Oxygen Sensor (Secondary HO2S (Bank 2, Sensor 2)) Heater Circuit Malfunction ON
P0171 (153) P0171 Rear Bank (Bank 1) Fuel System Too Lean ON
P0172 (153) P0172 Rear Bank (Bank 1) Fuel System Too Rich ON
P0174 (154) P0174 Front Bank (Bank 2) Fuel System Too Lean ON
P0175 (154) P0175 Front Bank (Bank 2) Fuel System Too Rich ON
P0222 (7) - Throttle Position (TP) Sensor B Circuit Low Voltage ON
P0223 (7) - Throttle Position (TP) Sensor B Circuit High Voltage ON
P0300 (77) and some of P0301 (71), P0302 (72), P0303 (73), P0304 (74), P0305 (75), P0306 (76) P0300 and some of P0301, P0302, P0303, P0304, P0305, P0306 Random Misfire Detected ON
P0301 (71) P0301 No. 1 Cylinder Misfire Detected ON
P0302 (72) P0302 No. 2 Cylinder Misfire Detected ON
P0303 (73) P0303 No. 3 Cylinder Misfire Detected ON
P0304 (74) P0304 No. 4 Cylinder Misfire Detected ON
P0305 (75) P0305 No. 5 Cylinder Misfire Detected ON
P0306 (76) P0306 No. 6 Cylinder Misfire Detected ON
P0325 (23) - Knock Sensor Circuit Malfunction ON
(1) These DTCs are indicated by a blinking MIL when the SCS line is jumped with the HDS.
NOTE: These 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.

DTC TROUBLESHOOTING CHART (2 OF 4)

DTC (MIL indication(1)) Temporary DTC Detection Item MIL
P0335 (4) - Crankshaft Position (CKP) Sensor A No Signal ON
P0339 (4) - Crankshaft Position (CKP) Sensor A Intermittent Interruption ON
P0340 (9) - Camshaft Position (CMP) Sensor No Signal ON
P0344 (9) - Camshaft Position (CMP) Sensor Intermittent Interruption ON
P0385 (54) - Crankshaft Position (CKP) Sensor B No Signal ON
P0389 (54) - Crankshaft Position (CKP) Sensor B Intermittent Interruption ON
P0401 (80) P0401 Exhaust Gas Recirculation (EGR) Insufficient Flow ON
P040 (12) P0404 Exhaust Gas Recirculation (EGR) Control Circuit Range/Performance Problem ON
P0406 (12) - Exhaust Gas Recirculation (EGR) Valve Position Sensor Circuit High Voltage ON
P0420 (165) P0420 Rear Bank Catalyst System Efficiency Below Threshold (Bank 1) ON
P0430 (166) P0430 Front Bank Catalyst System Efficiency Below Threshold (Bank 2) ON
P0443 (92) - Evaporative Emission (EVAP) Canister Purge Valve Circuit Malfunction ON
P0451 (91) P0451 Fuel Tank Pressure (FTP) Sensor Range/Performance Problem ON
P0452 (91) - Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage ON
P0453 (91) - Fuel Tank Pressure (FTP) Sensor Circuit High Voltage ON
P0455 (90) P0455 Evaporative Emission (EVAP) System Very Large Leak Detected ON
P0456 (90) P0456 Evaporative Emission (EVAP) System Very Small Leak Detected ON
P0457 (90) P0457 Evaporative Emission (EVAP) System Leak Detected/Fuel Fill Cap Loose or Missing ON
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) P0496 Evaporative Emission (EVAP) System High Purge Flow ON
P0497 (90) P0497 Evaporative Emission (EVAP) System Low Purge Flow ON
P0498 (117) - Evaporative Emission (EVAP) Canister Vent Shut Valve Control Circuit Low Voltage ON
P0499 (117) - Evaporative Emission (EVAP) Canister Vent Shut Valve Control Circuit High Voltage ON
P0506 (14) P0506 Idle Control System RPM Lower than Expected ON
P0507 (14) P0507 Idle Control System RPM Higher than Expected ON
P0562 (34) - Charging System Low Voltage OFF
P0563 (34) - Powertrain Control Module (PCM) Power Source Circuit Unexpected Voltage OFF
P0602 (196) - Powertrain Control Module (PCM) Programming Error OFF
P0603 (131) - Powertrain Control Module (PCM) Internal Circuit Malfunction (Keep Alive Memory (KAM) Error) ON
P0607 (131) - Lost Communication with Electronic Throttle Control System (ETCS) ON
P061F (132) - Electronic Throttle Control System (ETCS) Malfunction ON
P0630 (139) - VIN Not Programmed or Mismatch ON
P0641 (133) - Sensor Reference Voltage A Malfunction ON
P0685 (135) P0685 Powertrain Control Module (PCM) Internal Circuit Malfunction (Power Control Circuit) ON
P0700 (70)(2) - Automatic Transaxle System Malfunction ON
P0700 (70) - Automatic Transaxle System Malfunction OFF
(1) These DTCs are indicated by a blinking MIL when the SCS line is jumped with the HDS.
(2) The D indicator and the MIL may come on at the same time.
NOTE: These 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.

DTC TROUBLESHOOTING CHART (3 OF 4)

DTC (MIL indication(1)) Temporary DTC Detection Item MIL
P1077 (106) P1077 Intake Manifold Tuning (IMT) Valve Stuck in High RPM Position ON
P1078 (106) P1078 Intake Manifold Tuning (IMT) Valve Stuck in Low RPM Position ON
P1109 (13) - Barometric Pressure (BARO) Sensor Circuit Out of Range High ON
P1116 (86) P1116 Engine Coolant Temperature (ECT) Sensor 1 Performance Problem ON
P1128 (5) P1128 Manifold Absolute Pressure (MAP) Sensor Signal Lower Than Expected ON
P1129 (5) P1129 Manifold Absolute Pressure (MAP) Sensor Signal Higher Than Expected ON
P1172 (157) - Rear Air Fuel Ratio (A/F) Sensor Circuit Out of Range High (Bank 1) ON
P1174 (158) - Front Air Fuel Ratio (A/F) Sensor Circuit Out of Range High (Bank 2) ON
P1297 (20) - Electrical Load Detector (ELD) Circuit Low Voltage OFF
P1298 (20) - Electrical Load Detector (ELD) Circuit High Voltage OFF
P1454 (91) P1454 Fuel Tank Pressure (FTP) Sensor Range/Performance Problem ON
P1549 (34) - Charging System High Voltage OFF
P1658 (40) - Electronic Throttle Control System (ETCS) Control Relay ON Malfunction ON
P1659 (40) - Electronic Throttle Control System (ETCS) Control Relay OFF Malfunction ON
P1683 (40) - Throttle Valve Default Position Spring Performance Problem ON
P1684 (40) - Throttle Valve Return Spring Performance Problem ON
P16BB (116) - Alternator B Terminal Circuit Low Voltage OFF
P16BC (116) - Alternator FR Terminal Circuit/IGP Circuit Low Voltage OFF
P2101 (40) - Electronic Throttle Control System (ETCS) Malfunction ON
P2118 (40) - Throttle Actuator Current Range/Performance Problem ON
P2122 (37) - Accelerator Pedal Position (APP) Sensor A (Throttle Position Sensor D) Circuit Low Voltage ON
P2123 (37) - Accelerator Pedal Position (APP) Sensor A (Throttle Position Sensor D) Circuit High Voltage ON
P2127 (37) - Accelerator Pedal Position (APP) Sensor B (Throttle Position Sensor E) Circuit Low Voltage ON
P2128 (37) - Accelerator Pedal Position (APP) Sensor B (Throttle Position Sensor E) Circuit High Voltage ON
P2135 (7) - Throttle Position (TP) Sensor A/B Voltage Incorrect Correlation ON
P2138 (37) - Accelerator Pedal Position (APP) Sensor A/B (Throttle Position Sensor D/E) Incorrect Voltage Correlation ON
P2176 (40) - Throttle Actuator Control System Idle Position Not Learned ON
P2183 (192) P2183 Engine Coolant Temperature (ECT) Sensor 2 Circuit Range/Performance Problem ON
P2184 (192) - Engine Coolant Temperature (ECT) Sensor 2 Circuit Low Voltage ON
P2185 (192) - Engine Coolant Temperature (ECT) Sensor 2 Circuit High Voltage ON
P2195 (155) - Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) Signal Stuck Lean ON
P2197 (156) - Front Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) Signal Stuck Lean ON
P2227 (13) P2227 Barometric Pressure (BARO) Sensor Range/Performance Problem ON
P2228 (13) - Barometric Pressure (BARO) Sensor Circuit Low Voltage ON
P2229 (13) - Barometric Pressure (BARO) Sensor Circuit High Voltage ON
P2237 (155) - Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) IP Line High Voltage ON
P2238 (155) - Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) IP Line Low Voltage ON
P2240 (156) - Front Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) IP Line High Voltage ON
P2241 (156) - Front Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) IP Line Low Voltage ON
P2243 (155) - Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) VCENT Line High Voltage ON
P2245 (155) - Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) VCENT Line Low Voltage ON
P2247 (156) - Front Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) VCENT Line High Voltage ON
P2249 (156) - Front Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) VCENT Line Low Voltage ON
(1) These DTCs are indicated by a blinking MIL when the SCS line is jumped with the HDS.
NOTE: These 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.

DTC TROUBLESHOOTING CHART (4 OF 4)

DTC (MIL indication(1)) Temporary DTC Detection Item MIL
P2251 (155) - Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) VS Line High Voltage ON
P2252 (155) - Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) VS Line Low Voltage ON
P2254 (156) - Front Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) VS Line High Voltage ON
P2255 (156) - Front Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) VS Line Low Voltage ON
P2270 (161) P2270 Rear Secondary Heated Oxygen Sensor (Secondary HO2S) Circuit Signal Stuck Lean (Bank 1) ON
P2271 (161) P2271 Rear Secondary Heated Oxygen Sensor (Secondary HO2S) Circuit Signal Stuck Rich (Bank 1) ON
P2272 (162) P2272 Front Secondary Heated Oxygen Sensor (Secondary HO2S) Circuit Signal Stuck Lean (Bank 2) ON
P2273 (162) P2273 Front Secondary Heated Oxygen Sensor (Secondary HO2S) Circuit Signal Stuck Rich (Bank 2) ON
P2279 (109) P2279 Intake Air System Leak ON
P2413 (12) P2413 Exhaust Gas Recirculation (EGR) System Malfunction ON
P2422 (117) P2422 Evaporative Emission (EVAP) Canister Vent Shut Valve Close Malfunction ON
P2610 (132) - Powertrain Control Module (PCM) Ignition Off Internal Timer Performance Problem ON
P2627 (155) - Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) LABEL Circuit Low Voltage ON
P2628 (155) - Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) LABEL Circuit High Voltage ON
P2630 (156) - Front Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) LABEL Circuit Low Voltage ON
P2631 (156) - Front Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) LABEL Circuit High Voltage ON
P2646 (22) - VTEC Oil Pressure Switch Circuit Low Voltage ON
P2647 (22) - VTEC Oil Pressure Switch Circuit High Voltage ON
P2648 (21) - VTEC Solenoid Valve Circuit Low Voltage ON
P2649 (21) - VTEC Solenoid Valve Circuit High Voltage ON
P2A00 (157) P2A00 Rear A/F Sensor (Bank 1, Sensor 1) Range/Performance Problem ON
P2A03 (158) P2A03 Front A/F Sensor (Bank 2, Sensor 1) Range/Performance Problem ON
U0073 (126) - F-CAN Malfunction (BUS-OFF) OFF
U0114 (126) - F-CAN Malfunction (VTM-4 Control Unit-PCM) OFF
U0122 (126) - F-CAN Malfunction (VSA-PCM) OFF
U0155 (126) - F-CAN Malfunction (Gauge Control Module-PCM) OFF
(1) These DTCs are indicated by a blinking MIL when the SCS line is jumped with the HDS.
NOTE: These following 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.

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