Diagnostic Subroutines - 6.0L Diesel
DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Pinpoint Test Step GO to Direction | ||
|---|---|---|---|---|
| KOEO | KOER | Continuous | ||
| P012F | Oil Cooler Efficiency Monitor | GO to TSB 6.0L DIESEL CALIBRATION UPDATE - VARIOUS ISSUES . | ||
| P0046 | Turbo/Super Charger Boost Control Solenoid Circuit Range/Performance | GO to PINPOINT TEST AK . | ||
| P0069 | MAP/BARO Correlation | GO to PINPOINT TEST AU . | ||
| P0096 | Intake Air Temperature Sensor 2 Circuit Range/Performance | GO to PINPOINT TEST G . | ||
| P0097 | Intake Air Temperature Sensor 2 Circuit Low Input | GO to PINPOINT TEST G . | ||
| P0098 | Intake Air Temperature Sensor 2 Circuit High Input | GO to PINPOINT TEST G . | ||
| P0101 | Mass or Volume Air Flow Circuit Range/Performance | GO to PINPOINT TEST J . | ||
| P0103 | Mass or Volume Air Flow Circuit High Input | GO to PINPOINT TEST J . | ||
| P0107 | Manifold Absolute Pressure/BARO Sensor Low Input | GO to PINPOINT TEST H . | ||
| P0108 | Manifold Absolute Pressure/BARO Sensor High Input | GO to PINPOINT TEST H . | ||
| P0112 | Intake Air Temperature Circuit Low Input | GO to PINPOINT TEST F . | ||
| P0113 | Intake Air Temperature Circuit High Input | GO to PINPOINT TEST F . | ||
| P0117 | Engine Coolant Temperature Circuit Low Input | GO to PINPOINT TEST K . | ||
| P0118 | Engine Coolant Temperature High Input | GO to PINPOINT TEST K . | ||
| P012F | Engine Coolant Temperature & Engine Oil Temperature Correlation | GO to PINPOINT TEST AJ . | ||
| P0148 | Fueling Error | GO to PINPOINT TEST AT . | ||
| P0196 | Engine Oil Temperature Sensor Circuit Range/Performance | GO to PINPOINT TEST L . | ||
| P0197 | Engine Oil Temperature Sensor Circuit Low Input | GO to PINPOINT TEST L . | ||
| P0198 | Engine Oil Temperature Sensor Circuit High Input | GO to PINPOINT TEST L . | ||
| P0219 | Engine Overspeed Condition | See NOTE 1 . | ||
| P0230 | Fuel Pump Primary Circuit | GO to PINPOINT TEST M . | ||
| P0231 | Fuel Pump Secondary Circuit Low | GO to PINPOINT TEST M . | ||
| P0232 | Fuel Pump Secondary Circuit High | GO to PINPOINT TEST M . | ||
| P0236 | Turbo/Super Charger Boost Sensor A Circuit Range/Performance | GO to PINPOINT TEST E . | ||
| P0237 | Turbo/Super Charger Boost Sensor A Circuit Low | GO to PINPOINT TEST E . | ||
| P0238 | Turbo/Super Charger Boost Sensor A Circuit High | GO to PINPOINT TEST E . | ||
| P0261 | Cylinder #1 Injector Circuit Low | GO to PINPOINT TEST P . | ||
| P0262 | Cylinder #1 Injector Circuit High | GO to PINPOINT TEST P . | ||
| P0263 | Cylinder #1 Contribution/Balance | GO to PINPOINT TEST P . | ||
| P0264 | Cylinder #2 Injector Circuit Low | GO to PINPOINT TEST P . | ||
| P0265 | Cylinder #2 Injector Circuit High | GO to PINPOINT TEST P . | ||
| P0266 | Cylinder #2 Contribution/Balance | GO to PINPOINT TEST P . | ||
| P0267 | Cylinder #3 Injector Circuit Low | GO to PINPOINT TEST P . | ||
| P0268 | Cylinder #3 Injector Circuit High | GO to PINPOINT TEST P . | ||
| P0269 | Cylinder #3 Contribution/Balance | GO to PINPOINT TEST P . | ||
| P0270 | Cylinder #4 Injector Circuit Low | GO to PINPOINT TEST P . | ||
| P0271 | Cylinder #4 Injector Circuit High | GO to PINPOINT TEST P . | ||
| P0272 | Cylinder #4 Contribution/Balance | GO to PINPOINT TEST P . | ||
| P0273 | Cylinder #5 Injector Circuit Low | GO to PINPOINT TEST P . | ||
| P0274 | Cylinder #5 Injector Circuit High | GO to PINPOINT TEST P . | ||
| P0275 | Cylinder #5 Contribution/Balance | GO to PINPOINT TEST P . | ||
| P0276 | Cylinder #6 Injector Circuit Low | GO to PINPOINT TEST P . | ||
| P0277 | Cylinder #6 Injector Circuit High | GO to PINPOINT TEST P . | ||
| P0278 | Cylinder #6 Contribution/Balance | GO to PINPOINT TEST P . | ||
| P0279 | Cylinder #7 Injector Circuit Low | GO to PINPOINT TEST P . | ||
| P0280 | Cylinder #7 Injector Circuit High | GO to PINPOINT TEST P . | ||
| P0281 | Cylinder #7 Contribution/Balance | GO to PINPOINT TEST P . | ||
| P0282 | Cylinder #8 Injector Circuit Low | GO to PINPOINT TEST P . | ||
| P0283 | Cylinder #8 Injector Circuit High | GO to PINPOINT TEST P . | ||
| P0284 | Cylinder #8 Contribution/Balance | GO to PINPOINT TEST P . | ||
| P0297 | Vehicle Overspeed Condition | See NOTE 1 . | ||
| P0298 | Engine Oil Overtemperature Condition | GO to PINPOINT TEST L . | ||
| P0299 | Turbo/Supercharger Under Boost | GO to PINPOINT TEST KA . | ||
| P0300 | Random Misfire Detected | GO to PINPOINT TEST AR . | ||
| P0301 | Cylinder #1 Misfire Detected | GO to PINPOINT TEST P . | ||
| P0302 | Cylinder #2 Misfire Detected | GO to PINPOINT TEST P . | ||
| P0303 | Cylinder #3 Misfire Detected | GO to PINPOINT TEST P . | ||
| P0304 | Cylinder #4 Misfire Detected | GO to PINPOINT TEST P . | ||
| P0305 | Cylinder #5 Misfire Detected | GO to PINPOINT TEST P . | ||
| P0306 | Cylinder #6 Misfire Detected | GO to PINPOINT TEST P . | ||
| P0307 | Cylinder #7 Misfire Detected | GO to PINPOINT TEST P . | ||
| P0308 | Cylinder #8 Misfire Detected | GO to PINPOINT TEST P . | ||
| P0335 | Crankshaft Position Sensor A Circuit | GO to PINPOINT TEST D . | ||
| P0336 | Crankshaft Position Sensor A Circuit Range/Performance | GO to PINPOINT TEST D . | ||
| P0340 | Camshaft Position Sensor A Circuit (Bank 1 or single sensor) | GO to PINPOINT TEST V . | ||
| P0341 | Camshaft Position Sensor A Circuit Range/Performance (Bank 1 or single sensor) | GO to PINPOINT TEST V . | ||
| P0381 | Glow Plug/Heater Indicator Circuit | See NOTE 4 . | ||
| P0401 | Exhaust Gas Recirculation Flow Insufficient Detected | GO to PINPOINT TEST W . | ||
| P0402 | Exhaust Gas Recirculation Flow Excessive Detected | GO to PINPOINT TEST W . | ||
| P0403 | Exhaust Gas Recirculation Control Circuit | GO to PINPOINT TEST W . | ||
| P0404 | Exhaust Gas Recirculation Control Circuit Range/Performance | GO to PINPOINT TEST W . | ||
| P0405 | Exhaust Gas Recirculation Sensor A Circuit Low | GO to PINPOINT TEST W . | ||
| P0406 | Exhaust Gas Recirculation Sensor A Circuit High | GO to PINPOINT TEST W . | ||
| P0460 | Fuel Level Sensor A Circuit | GO to PINPOINT TEST QH . | ||
| P0462 | Fuel Level Sensor A Circuit Low Input | GO to PINPOINT TEST QH . | ||
| P0463 | Fuel Level Sensor A Circuit High Input | GO to PINPOINT TEST QH . | ||
| P0470 | Exhaust Pressure Sensor | GO to PINPOINT TEST X . | ||
| P0471 | Exhaust Pressure Sensor Range/Performance | GO to PINPOINT TEST X . | ||
| P0472 | Exhaust Pressure Sensor Low Input | GO to PINPOINT TEST X . | ||
| P0473 | Exhaust Pressure Sensor High Input | GO to PINPOINT TEST X . | ||
| P0478 | Exhaust Pressure Control Valve High Input | GO to PINPOINT TEST KA . | ||
| P0480 | Fan 1 Control Circuit | GO to PINPOINT TEST AH . | ||
| P0500 | Vehicle Speed Sensor A | See NOTE 5 . | ||
| P0528 | Fan Speed Sensor Circuit No Signal | GO to PINPOINT TEST AH . | ||
| P0562 | System Voltage Low | GO to PINPOINT TEST A . | ||
| P0563 | System Voltage High | GO to PINPOINT TEST A . | ||
| P0565 | Cruise Control ON Signal | GO to PINPOINT TEST Y . | ||
| P0566 | Cruise Control OFF Signal | GO to PINPOINT TEST Y . | ||
| P0567 | Cruise Control RESUME Signal | GO to PINPOINT TEST Y . | ||
| P0568 | Cruise Control SET Signal | GO to PINPOINT TEST Y . | ||
| P0569 | Cruise Control COAST Signal | GO to PINPOINT TEST Y . | ||
| P0605 | Powertrain Control Module Read Only Memory (ROM) Error | GO to PINPOINT TEST AA . | ||
| P0606 | ECM/PCM Processor | GO to PINPOINT TEST Z . | ||
| P0611 | Fuel Injector Control Module Performance | GO to PINPOINT TEST S . | ||
| P0620 | Generator 1 Control Circuit | See NOTE 7 . | ||
| P0623 | Generator Lamp Control Circuit | See NOTE 7 . | ||
| P0645 | A/C Clutch Relay Control Circuit | GO to PINPOINT TEST AV . | ||
| P0649 | Cruise Control Lamp Control Circuit | See NOTE 4 . | ||
| P0657 | Actuator Supply Voltage A Circuit Open | See NOTE 8 . | ||
| P0670 | Glow Plug Module Control Circuit | GO to PINPOINT TEST AF . | ||
| P0671 | Cylinder 1 Glow Plug Circuit | GO to PINPOINT TEST AF . | ||
| P0672 | Cylinder 2 Glow Plug Circuit | GO to PINPOINT TEST AF . | ||
| P0673 | Cylinder 3 Glow Plug Circuit | GO to PINPOINT TEST AF . | ||
| P0674 | Cylinder 4 Glow Plug Circuit | GO to PINPOINT TEST AF . | ||
| P0675 | Cylinder 5 Glow Plug Circuit | GO to PINPOINT TEST AF . | ||
| P0676 | Cylinder 6 Glow Plug Circuit | GO to PINPOINT TEST AF . | ||
| P0677 | Cylinder 7 Glow Plug Circuit | GO to PINPOINT TEST AF . | ||
| P0678 | Cylinder 8 Glow Plug Circuit | GO to PINPOINT TEST AF . | ||
| P0683 | Glow Plug Control Module to PCM Communication Circuit | GO to PINPOINT TEST AF . | ||
| P0700 | Transmission Control System (MIL Request) | See NOTE 8 . | ||
| P0703 | Brake Switch B Input Circuit | GO to PINPOINT TEST AY . | ||
| P0830 | Clutch Pedal Switch A Circuit | GO to PINPOINT TEST C . | ||
| P0833 | Clutch Pedal Switch B Circuit | GO to PINPOINT TEST C . | ||
| P1000 | OBD Systems Readiness Test Not Complete | GO to PINPOINT TEST AC . | ||
| P1001 | KOER Not Able To Complete, KOER Aborted | See NOTE 1 . | ||
| P1102 | Mass Air Flow Sensor In Range But Lower Than Expected | GO to PINPOINT TEST J . | ||
| P1148 | Generator 2 Control Circuit | See NOTE 7 . | ||
| P1149 | Generator 2 Control Circuit High | See NOTE 7 . | ||
| P115A | Low Fuel Level - Forced Limited Power | GO to PINPOINT TEST QH . | ||
| P1184 | Engine Oil Temperature Sensor Out Of Self-Test Range | GO to PINPOINT TEST L . | ||
| P1260 | Theft Detected, Vehicle Immobilized | See NOTE 9 . | ||
| P1284 | Aborted KOER - Injector Control Pressure Regulator | See NOTE 15 . | ||
| P1335 | EGR Position Sensor Minimum Stop Performance | GO to PINPOINT TEST W . | ||
| P1378 | FICM Supply Voltage Circuit Low | GO to PINPOINT TEST S . | ||
| P1379 | FICM Supply Voltage Circuit High | GO to PINPOINT TEST S . | ||
| P1397 | System Voltage Out Of Self-Test Range | See NOTE 13 . | ||
| P1408 | Exhaust Gas Recirculation Flow Out Of Self-Test Range | See NOTE 10 . | ||
| P1464 | A/C Demand Out Of Self-Test Range | GO to PINPOINT TEST AM . | ||
| P1501 | Vehicle Speed Sensor Out Of Self-Test Range | See NOTE 5 . | ||
| P1502 | Invalid Test - Auxiliary Power Control Functioning | GO to PINPOINT TEST AN . | ||
| P1531 | Invalid Test - Accelerator Pedal Movement | REPEAT the self-test. | ||
| P1536 | Parking Brake Switch Circuit | GO to PINPOINT TEST I . | ||
| P1610 | Interactive Reprogramming Code - Replace PCM module | See NOTE 14 . | ||
| P1611 | Interactive Reprogramming Code - Diagnose Further | See NOTE 14 . | ||
| P1615 | Interactive Reprogramming Code - Flash Erase Error | See NOTE 14 . | ||
| P1616 | Interactive Reprogramming Code - Flash Erase Error, Low Voltage | See NOTE 14 . | ||
| P1617 | Interactive Reprogramming Code - Block Programming Error | See NOTE 14 . | ||
| P1618 | Interactive Reprogramming Code - Block Programming Error, Low Voltage | See NOTE 14 . | ||
| P1633 | Keep Alive Power Voltage Too Low | GO to PINPOINT TEST Z . | ||
| P1635 | Tire/Axle Out Of Acceptable Range | See NOTE 3 . | ||
| P1639 | Vehicle ID Block Corrupted, Not Programmed | See NOTE 3 . | ||
| P1703 | Brake Switch Out Of Self-Test Range | GO to PINPOINT TEST AI . | ||
| P1705 | Transmission Range Circuit Not Indicating Park/Neutral During Self-Test | GO to PINPOINT TEST AL . | ||
| P1725 | Insufficient Engine Speed Increase During Self-Test | See NOTE 12 . | ||
| P1726 | Insufficient Engine Speed Decrease During Self-Test | NOTE 12 . | ||
| P2067 | Fuel Level Sensor B Circuit Low Input | GO to PINPOINT TEST QH . | ||
| P2068 | Fuel Level Sensor B Circuit High Input | GO to PINPOINT TEST QH . | ||
| P2104 | Throttle Actuator Control System Forced Idle | GO to PINPOINT TEST AG . | ||
| P2122 | Throttle/Pedal Position Sensor/Switch D Circuit Low Input | GO to PINPOINT TEST AG . | ||
| P2123 | Throttle/Pedal Position Sensor/Switch D Circuit High Input | GO to PINPOINT TEST AG . | ||
| P2127 | Throttle/Pedal Position Sensor/Switch E Circuit Low Input | GO to PINPOINT TEST AG . | ||
| P2128 | Throttle/Pedal Position Sensor/Switch E Circuit High Input | GO to PINPOINT TEST AG . | ||
| P2132 | Throttle/Pedal Position Sensor/Switch F Circuit Low Input | GO to PINPOINT TEST AG . | ||
| P2133 | Throttle/Pedal Position Sensor/Switch F Circuit High Input | GO to PINPOINT TEST AG . | ||
| P2138 | Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation | GO to PINPOINT TEST AG . | ||
| P2139 | Throttle/Pedal Position Sensor/Switch D/F Voltage Correlation | GO to PINPOINT TEST AG . | ||
| P2140 | Throttle/Pedal Position Sensor/Switch E/F Voltage Correlation | GO to PINPOINT TEST AG . | ||
| P2199 | Intake Air Temperature 1/2 Correlation | GO to PINPOINT TEST AW . | ||
| P2262 | Turbo/Super Charger Boost Pressure Not Detected - Mechanical | GO to PINPOINT TEST KA . | ||
| P2263 | Turbo/Super Charger System Performance | GO to PINPOINT TEST KA . | ||
| P2269 | Water in Fuel Condition | GO to PINPOINT TEST O . | ||
| P2284 | Injector Control Pressure Sensor Circuit Range/Performance | GO to PINPOINT TEST AO . | ||
| P2285 | Injector Control Pressure Sensor Circuit Low | GO to PINPOINT TEST Q . | ||
| P2286 | Injector Control Pressure Sensor Circuit High | GO to PINPOINT TEST Q . | ||
| P2287 | Injector Control Pressure Sensor Circuit Intermittent | GO to PINPOINT TEST Q . | ||
| P2288 | Injector Control Pressure Too High | GO to PINPOINT TEST AO . | ||
| P2289 | Injector Control Pressure Too High - Engine Off | GO to PINPOINT TEST AP . | ||
| P2290 | Injector Control Pressure Too Low | GO to PINPOINT TEST AO . | ||
| P2291 | Injector Control Pressure Too Low - Engine Cranking | GO to PINPOINT TEST AQ . | ||
| P2457 | EGR Cooler Range/Performance | GO to PINPOINT TEST AZ . | ||
| P2552 | FICMM Circuit - Throttle/Fuel Inhibit Circuit | GO to PINPOINT TEST AT . | ||
| P2614 | Camshaft Position Output Circuit | GO to PINPOINT TEST V . | ||
| P2617 | Crankshaft Position Output Circuit | GO to PINPOINT TEST D . | ||
| P2623 | Injector Control Pressure Regulator Circuit | GO to PINPOINT TEST R . | ||
| U0100 | Lost Communication With ECM/PCM A | See NOTE 2 . | ||
| U0101 | Lost Communication With TCM | See NOTE 2 . | ||
| U0105 | Lost Communication with FICM | GO to PINPOINT TEST AS . | ||
| U0155 | Lost Communication with Instrument Cluster | See NOTE 11 . | ||
| U0306 | Software Incompatibility with Fuel Injector Control Module | See NOTE 14 . | ||
| B1213 | Less than two keys programmed to the system | See NOTE 9 . | ||
| B1342 | ECU damaged (EEPROM in PCM not working, replace PCM) | See NOTE 9 . | ||
| B1600 | PATS Ignition Key Transponder Signal Is Not Received | See NOTE 9 . | ||
| B1601 | PATS Received Incorrect Key-Code From Ignition Key Transponder | See NOTE 9 . | ||
| B1602 | PATS Received Invalid Format Of Key-Code From Ignition Key Transponder | See NOTE 9 . | ||
| B1681 | PATS Transceiver Module Signal Is Not Received | See NOTE 9 . | ||
| B2103 | Antenna Not Connected | See NOTE 9 . | ||
| B2431 | Transponder Programming Failed | See NOTE 9 . | ||
| Malfunction Indicator | See NOTE 6 . | |||