DTC | Hex Code | OBD-II Code | Meaning | Explanation |
---|---|---|---|---|
11 | 28 | --- | No Crank Reference Signal at PCM | No crankshaft position reference signal detected during engine cranking |
11 | 9D | P1391 | Intermittent loss of CMP or CKP signal | Inconsistent signal provided Crankshaft Position Sensor (CKP) or Camshaft Postion Sensor (CMP) |
11 | BA | P1398 | Misfire Adaptive Numerator at limit | Crankshaft Position Sensor target windows have too much variation |
12 | --- | --- | Battery Disconnect | Direct Battery Input to PCM disconnected in the last 50 ON/OFF cycles |
13 | 27 | P1297 | No Change in MAP from "Start" to "Run" | No difference recognised in engine MAP reading and the barometric/atmospheric pressure read at startup |
14 | 24/25 | P0107/P0108 | MAP sensor Voltage too Low/High | MAP sensor input voltage out of limits |
14 | 87 | P1296 | No 5 Volts to MAP sensor | MAP sensor input voltage not present - correct open circuit |
15 | 23 | P0500 | No Vehicle Speed Sensor Signal | No Vehicle Speed Sensor (VSS) Signal detected during "road load" conditions |
17 | 21 | --- | Engine is "cold" too long | Engine did not reach operating tempeature within acceptable limits |
17 | 80 | P0125 | Closed Loop Temperature not reached | Engine does not reach 20 degrees Fahrenheit withing 5 minutes with a VSS reading |
21 | 66/67 | P0133/P0135 | Upstream HEGO sensor Slow Response/Heater Failure | Upstream HEGO sensor response slower than minimum required switching frequency/Heating Element Failure |
21 | 69 | P0141 | Downstream/Pre-catalyst HEGO Sensor Heater Failure | Downstream/Pre-catalyst HEGO sensor heating element failure |
21 | 3E | P0132 | Upstream HEGO sensor shorted to voltage | HEGO sensor input voltage maintained above normal range |
21 | 7E | P0138 | Catalyst HEGO Sensor shorted to voltage | HEGO Sensor Input voltage maintained above the normal operating range |
21 | 9B | P0131 | Upstream HEGO sensor shorted to Ground | HEGO Sensor Supply voltage too low, tested after "cold" start cycle |
21 | 9C | P0137 | Downstream/Pre-catalyst HEGO sensor shorted to Ground | HEGO sensor voltage too low, tested after "cold" start |
21 | C0 | P0133 | Catalyst Monitor Slow HEGO 1/1 | A slowly-switching HEGO sensor has been detected in Bank 1/1 during catalyst monitor test |
22 | 1E/1F | P0117/P0118 | ECT Sensor Supply Voltage too Low/High | Engine Coolant Temperature (ECT) Sensor supply Voltage out of limits |
23 | 39/3A | P0112/P0113 | IAT Sensor Voltage too Low/High | Intake Air Temperature (IAT) Sensor supply voltage out of limits |
24 | 1A/1B | P0122/P0123 | TPS Voltage too Low/High | Throttle Position Sensor (TPS) supple voltage out of limits |
24 | 84 | P0121 | TPS does not agree with MAP | TPS signal does not agree with MAP signal |
25 | 19 | P0505 | IAC Circuits | A "short" or "open" condition detected in one or more of the idle air control circuits |
25 | 8A | P0740 | Target Idle Not Reached | Actual Idle Speed does not equal Target Idle Speed |
27 | 13/14/15/3D/45/46 | P0203/P0202/P0201/P0204/P0205/P0206 | Injector Control Circuit Failure | Fuel Injector Driver #1/#2/#3/#4/#5/#6 does not respond properly to control signal |
31 | 12 | P0443 | EVAP Purge Solenoid Circuit | Evaporative Cannister Purge Control Solenoid Control circuit "open" or "short" |
31 | 71 | P0441 | Evaporative Purge Flow Monitor Failure | Insufficient or excessive vapour flow detected during evaporative emission system operation |
32 | 0F | --- | Speed Control Solenoid Circuits | An "open" or "short" circuit detected in the Speed Control Vacuum or Vent soenoid control circuits |
33 | 10 | --- | Air Conditioning Clutch Relay Circuit | An "open" or "short" circuit detected in the Air Conditioning Clutch Relay circuit |
34 | 56/57 | --- | Speed Control Switch always High/Low | Speed control switch input outside of limits |
35 | 0E | P1491 | Radiator Fan Control Relay Circuit | An "open" or "short" circuit detected in the Electric Radiator Fan Control Relay circuit |
37 | 72 | P1899 | Park/Neutral Switch stuck in Park or Gear | Incorrect input state reported by Park/Neutral switch (Automatic Transmission Only) |
37 | 94 | P0740 | TCC, no RPM drop with Lockup | Relationship between engine speed and vehicle speed indicates no Torque Converter Clutch (TCC) engagement |
37 | 0C | P0743 | TCC Solenoid/Transmission Relay Circuit | An "open" or "short" circuit detected in the torque converter part throttle unlock solenoid control circuit (3-speed Automatic RH transmission only) |
41 | 0B | --- | Alternator Field not switching properly | An "open" or "shorted" circuit found in the alternator field control circuit |
42 | 0A | --- | ASD Relay Control Circuit | An "open" or "short" circuit detected in the Auto Shut-Down Relay (ASD Relay) control circuit |
42 | 2C | --- | No ASD Relay Output voltage at PCM | An "open" condition detected in the Auto Shut-Down (ASD) Relay Control Circuit |
42 | 65 | --- | Fuel Pump Relay Circuit | An "open" or "short" circuit detected in the fuel pump relay control circuit |
42 | 95/96 | --- | Fuel Level Sending Unit voltage too Low/High | Fuel Level Sending Unit voltage out of limits |
42 | 97 | --- | Fuel Level Unit no change with Miles | Fuel Level signal does not change over time |
43 | 6A | P0300 | Multiple Cylinder Misfire | Misfire condition detected in multiple cylinders |
43 | 6B/6C/6D/6E | P0301 - P0304 | Cylinder Misfire | Misfire condition detected in cylinder #1/2/3/4 |
44 | 99/9A | P1493/P1492 | Ambient/Battery temperature sensor out of limit | Battery Temperature Sensor Input voltage out of limits |
46 | 06 | --- | Charging System Voltage High | Battery Voltage Sense input above target charging voltage during engine operation |
47 | 05 | --- | Charing System Voltage Low | Battery Voltage Sense input below target charging voltage during engine operation. Also, no significant change detected in battery voltage during active test of Alternator Output circuit |
49 | AE/AF | P0305/P0306 | Cylinder Misfire | Misfire condition detected in cylinder #5/#6 |
51 | 77 | P0171 | Fuel System Lean | A "Lean" Air/Fuel Ratio (AFR) has been indicated by an abnormally "Rich" correction factor |
52 | 76 | P0172 | Fuel System "Rich" | A "Rich" AFR has been indicated by an abnormally "Lean" correction factor |
53 | 02 | P0601 | Internal Controller Failure | A Powertrain Control Module (PCM) internal failure has been detected |
53 | 44 | P0600 | PCM Internal Fault/SPI Communications | A Powertrain Control Module (PCM) communications fault has been detected |
54 | 01 | P0340 | No Cam Signal at PCM | No camshaft (SYNC) signal detected at Powertrain Control Module (PCM) during engine cranking |
55 | --- | --- | Display Finished | Completion of DTC display on CEL/MIL |
63 | 31 | P1696 | PCM Failure, EEPROM Write Denied | An attempt by the Powertrain Control Module (PCM) to store date to an internal EEPROM was unsuccessful |
77 | 52 | --- | Speed Control Relay, or Speed Control 12V Driver Circuit | Malfunction detected with power feed to Speed Control Servos |