6.5 diesel specific trouble codes
Originally posted by Turbine Doc:
More for the FAQs please feel free to add any I've missed. OBD-I is pre 96 vintage truck coding use OBD-II for trucks of 96 & later years & requires a scan tool to read them. The Data Link connector is located below the steering wheel lower left rim of the dash just about knee cap height. Use a jumper (paperclip, etc) to connect these terminals. The connection/removal of the jumper between terminals (A&B) should be done with the ignition switch OFF. Also to prevent potential volt spike to PCM remove clip with Key OFF also.Once jumper is installed then turn key to on/run (not full start) to begin the flashing sequence The Service Engine Soon light will flash Code 12 three times to indicate that the diagnostics are working. Trouble codes will then follow, one at a time, three times each. DTC 12 will only appear if there are no other codes. 2 The codes appear in numerical order, and each code repeats itself three times before the next begins. This is different from some other ECM's. 3. It is helpful to the diagnostic process to know when codes are setting, particularly if there is more than one. Hence, clearing the codes is something you may wish to do. Clearing the codes may be accomplished by simultaneously depressing the brake and accelerator pedals fully while the PCM is in diagnostic mode (terminals A and B connected). It will not appear that you have cleared the codes until the next time you power up in diagnostic mode, however. DTC 12 - No Codes Present DTC 13 - Engine Shutoff Solenoid Circuit Fault DTC 14 - Engine Coolant Temperature (ECT) Sensor Circuit Low (High Temp) DTC 15 - Engine Coolant Temperature (ECT) Sensor Circuit High (Low Temp) DTC 16 - Vehicle Speed Sensor Buffer Fault DTC 17 - High Resolution Circuit Fault DTC 18 - Pump Cam Reference Pulse Error DTC 19 - Crankshaft Position Reference Error DTC 21 - Accelerator Pedal Position 1 Circuit High DTC 22 - Accelerator Pedal Position 1 Circuit Low DTC 23 - Accelerator Pedal Position 1 Circuit Range Fault DTC 24 - Vehicle Speed Sensor Circuit Low (Output Speed Signal) DTC 25 - Accelerator Pedal Position 2 Circuit High DTC 26 - Accelerator Pedal Position 2 Circuit Low DTC 27 - Accelerator Pedal Position 2 Circuit Range Fault DTC 28 - Transmission Range Pressure Switch Circuit DTC 29 - Glow Plug Relay Fault DTC 31 - EGR Control Pressure/Baro Sensor Circuit Low (High Vacuum) DTC 32 - EGR Circuit Error DTC 33 - EGR Control Pressure/Baro Sensor Circuit High DTC 34 - Injection Timing Stepper Motor Fault DTC 35 - Injection Pulse Width Error (Time Short) DTC 36 - Injection Pulse Width Error (Time Long) DTC 37 - TCC Brake Switch Stuck "ON" DTC 38 - TCC Brake Switch Stuck "OFF" DTC 39 - TCC Stuck "OFF" DTC 41 - Brake Switch Circuit Fault DTC 42 - Fuel Temperature Circuit Low (High Temp) DTC 43 - Fuel Temperature Circuit High (Low Temp) DTC 44 - EGR Pulse Width Error DTC 45 - EGR Vent Error DTC 46 - Malfunction Indicator Lamp (MIL) Circuit Fault DTC 47 - Intake Air Temperature Sensor Circuit Low (High Temp ) DTC 48 - Intake Air Temperature Sensor Circuit High (Low Temp ) DTC 49 - Service Throttle Soon Lamp Circuit Fault DTC 51 - PROM Error DTC 52 - System Voltage High Long DTC 53 - System Voltage High DTC 54 - PCM fuel circuit error DTC 56 - Injection Pump Calibration Resistor Error DTC 57 - PCM 5 Volt Shorted DTC 58 - Transmission Fluid Temp Circuit Low DTC 59 - Transmission Fluid Temp Circuit High DTC 61 - Turbo Boost Sensor Circuit High DTC 62 - Turbo Boost Sensor Circuit Low DTC 63 - Accelerator Pedal Position 3 Circuit High DTC 64 - Accelerator Pedal Position 3 Circuit Low DTC 65 - Accelerator Pedal Position 3 Circuit Range Fault DTC 66 - 3-2 Shift Control Solenoid DTC 67 - TCC Solenoid Circuit (Open or Short) DTC 68 - Transmission Component Slipping DTC 69 - TCC Stuck "ON" DTC 71 - Set/Coast Switch Fault (Cruise Control) DTC 72 - Vehicle Speed Sensor Circuit Loss (Output Speed Signal) DTC 73 - Pressure Control Solenoid Circuit (Current Error) DTC 74 - Transmission Input Speed (TIS) Sensor Circuit DTC 75 - System Voltage Low DTC 76 - Resume/Accel Switch Fault (Cruise Control) DTC 78 - Turbo Wastegate Solenoid Fault DTC 79 - Transmission Fluid Over Temperature DTC 81 - Transmission 2-3 Shift Solenoid Circuit DTC 82 - Transmission 1-2 Shift Solenoid Circuit DTC 83 - Torque Converter Clutch DTC 85 - Transmission Gear DTC 86 - Transmission Gear Ratio Error DTC 87 - Transmission Gear Ratio Error DTC 88 - Top Dead Center Offset Problem DTC 91 thru 98 - Cylinder Balance DTC 99 - Accelerator Pedal Position Sensor 5-Volt Reference Problem OBDII codes: ODB II Diagnostic codes OBDII compliant reader required to access codes. Not all codes show as "hard codes" that light the SES light, some are stored in the history as discrete faults</DIR> P0101 Mass Air Flow (MAF) System Performance P0102 MAF Sensor Circuit Low Frequency P0103 MAF Sensor Circuit High Frequency P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage P0113 IAT Sensor Circuit High Voltage P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage P0118 ECT Sensor Circuit High Voltage P0123 Accelerator Pedal Position (APP) Sensor 1 Circuit Performance P0122 APP Sensor 1 Circuit Low Voltage P0123 APP Sensor 1 Circuit High Voltage P0126 Insufficient ECT for Stable Operation P0182 Fuel Temperature Sensor Circuit Low Voltage P0183 Fuel Temperature Sensor Circuit High Voltage P0215 Engine Shut-Off Control Circuit P0216 Injection Timing Control Circuit P0219 Engine Over-speed Condition P0220 APP Sensor 2 Circuit P0221 APP Sensor 2 Circuit Performance P0222 APP Sensor 2 Circuit Low Voltage P0223 APP Sensor 2 Circuit High Voltage P0225 APP Sensor 3 Circuit P0226 APP Sensor 3 Circuit Performance P0227 APP Sensor 3 Circuit Low Voltage P0228 APP Sensor 3 Circuit High Voltage P0231 Fuel Pump Feedback Circuit Low Voltage P0236 Turbocharger Boost System P0237 Turbo Boost Sensor Circuit Low Voltage P0238 Turbo Boost Sensor Circuit High Voltage P0251 Injection Pump Cam System P0263 Cylinder 1 Balance System P0266 Cylinder 2 Balance System P0269 Cylinder 3 Balance System P0272 Cylinder 4 Balance System P0275 Cylinder 5 Balance System P0278 Cylinder 6 Balance System P0281 Cylinder 7 Balance System P0284 Cylinder 8 Balance System P0300 Engine Misfire Detected P0301 Cylinder 1 Misfire Detected P0302 Cylinder 2 Misfire Detected P0303 Cylinder 3 Misfire Detected P0304 Cylinder 4 Misfire Detected P0305 Cylinder 5 Misfire Detected P0306 Cylinder 6 Misfire Detected P0307 Cylinder 7 Misfire Detected P0308 Cylinder 8 Misfire Detected P0335 Crankshaft Position (CKP) Sensor Circuit P0370 Timing Reference High Resolution P0380 Glow Plug Circuit Performance P0400 Exhaust Gas Recirculation (EGR) Flow Malfunction P0401 EGR Flow Insufficient P0402 EGR Flow Excessive P0404 EGR System Performance P0405 EGR Sensor Circuit Low Voltage P0406 EGR Sensor Circuit High Voltage P0501 Vehicle Speed Sensor Circuit (VSS) P0567 Cruise Resume Circuit P0568 Cruise Set Circuit P0571 Cruise Brake Switch Circuit P0601 Internal Control Module Memory P0602 Control Module Programming P0604 Control Module RAM Check Sum P0606 PCM Internal Communications Interrupted P1125 Accelerator Pedal Position System P1191 Intake Air Duct Leak P1214 Injection Pump Timing Offset P1216 Fuel Solenoid Response Time Short P1217 Fuel Solenoid Response Time Long P1218 Injection Pump Calibration Circuit P1406 EGR Valve Position P1409 EGR Vacuum System Leak P1621 EEPROM Write P1626 Vehicle Theft Deterrent (VTD) Controller Serial Data Circuit P1627 A/D Performance P1630 Theft Deterrent PCM in Learn Mode P1631 Theft Deterrent Password Incorrect P1635 5 Volt Reference Low P1641 Malfunction Indicator Lamp (MIL) Control Circuit P1643 Wait To Start Lamp Control Circuit P1653 EGR Vent Solenoid Control Circuit P1654 Service Throttle Soon Lamp Control Circuit P1655 EGR Solenoid Control Circuit P1656 Wastegate Solenoid Control Circuit U1026 Loss of ATC Class 2 Co |
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