Diagnostic Trouble Code (DTC) Descriptions
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2004 Ford RV Cutaway, 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, and 2004 Ford Excursion. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE (DTC) DESCRIPTIONS
| Fault Code | Circuit Index | Condition Description | Probable Causes |
|---|---|---|---|
| P0046 | VGT Solenoid | Turbo/supercharger boost control solenoid circuit range/performance | Open circuit, control circuit short to voltage, control circuit short to ground, faulty solenoid, faulty PCM |
| P0069 | BARO | MAP/BARO correlation | MAP/BARO, EP must be within 1 psi |
| P0096 | IAT2 | Intake air temperature sensor 2 circuit range/performance | Faulty sensor, faulty circuitry, faulty PCM |
| P0097 | IAT2 | Intake air temperature sensor 2 circuit low input | Short to ground, faulty sensor, faulty PCM |
| P0098 | IAT2 | Intake air temperature sensor 2 circuit high input | Short to voltage, open in return circuit, faulty PCM, faulty sensor |
| P0101 | MAF | Mass or volume air flow circuit range/performance | Restricted air flow, faulty sensor, contamination, intake air leak, faulty PCM |
| P0103 | MAF | Mass or volume air flow circuit high input | Restriction, water intrusion, signal short to voltage, return circuit open, faulty sensor, faulty PCM |
| P0107 | BARO | Manifold absolute pressure/BARO sensor low input | Open VREF, signal circuit short to ground, faulty sensor, faulty PCM |
| P0108 | BARO | Manifold absolute pressure/BARO sensor high input | Short to voltage, open in signal return, faulty sensor, faulty PCM |
| P0112 | IAT | Intake air temperature circuit low input | Short to ground, faulty sensor, faulty PCM |
| P0113 | IAT | Intake air temperature circuit high input | Short to voltage, open in signal return, faulty sensor, faulty PCM |
| P0117 | ECT | Engine coolant temperature circuit low input | Signal short to ground, faulty sensor, faulty PCM |
| P0118 | ECT | Engine coolant temperature high input | Signal short to voltage, open in return circuit, faulty sensor, faulty PCM |
| P0196 | EOT | Engine oil temperature sensor circuit range/performance | Faulty circuitry, fault sensor, faulty thermostat, faulty PCM |
| P0197 | EOT | Engine oil temperature sensor circuit low input | Signal short to ground, faulty circuitry, faulty sensor, faulty PCM |
| P0198 | EOT | Engine oil temperature sensor circuit high input | Signal short to voltage, open in signal return, faulty circuitry, faulty sensor, faulty PCM |
| P0219 | Engine overspeed condition | Excessive engine speed | |
| P0230 | Fuel Pump | Fuel pump primary circuit | Open FP relay, inertia switch, faulty fuel pump |
| P0231 | Fuel Pump | Fuel pump secondary circuit low | Fuse, relay, inertia switch, fuel pump, open/short circuit |
| P0232 | Fuel Pump | Fuel pump secondary circuit high | Relay failure, short circuit, pump failure |
| P0236 | MAP | Turbo/supercharger boost sensor A circuit range/performance | Restricted exhaust, hose missing |
| P0237 | MAP | Turbo/supercharger boost sensor A circuit low | Circuit open, short to ground, faulty sensor |
| P0238 | MAP | Turbo/supercharger boost sensor A circuit high | Circuit short to voltage, faulty sensor |
| P0261 | INJ | Cylinder #1 injector circuit low | Open circuit, fuel injector, FICM connector loose, FICM |
| P0262 | INJ | Cylinder #1 injector circuit high | Circuit short to ground or voltage, fuel injector, FICM |
| P0263 | INJ | Cylinder #1 contribution/balance | Power cylinder, valve train or injector |
| P0264 | INJ | Cylinder #2 injector circuit low | Open circuit, fuel injector, FICM connector loose, FICM |
| P0265 | INJ | Cylinder #2 injector circuit high | Circuit short to ground or voltage, fuel injector, FICM |
| P0266 | INJ | Cylinder #2 contribution/balance | Power cylinder, valve train or injector |
| P0267 | INJ | Cylinder #3 injector circuit low | Open circuit, fuel injector, FICM connector loose, FICM |
| P0268 | INJ | Cylinder #3 injector circuit high | Circuit short to ground or voltage, fuel injector, FICM |
| P0269 | INJ | Cylinder #3 contribution/balance | Power cylinder, valve train or injector |
| P0270 | INJ | Cylinder #4 injector circuit low | Open circuit, fuel injector, FICM connector loose, FICM |
| P0271 | INJ | Cylinder #4 injector circuit high | Circuit short to ground or voltage, fuel injector, FICM |
| P0272 | INJ | Cylinder #4 contribution/balance | Power cylinder, valve train or injector |
| P0273 | INJ | Cylinder #5 injector circuit low | Open circuit, fuel injector, FICM connector loose, FICM |
| P0274 | INJ | Cylinder #5 injector circuit high | Circuit short to ground or voltage, fuel injector, FICM |
| P0275 | INJ | Cylinder #5 contribution/balance | Power cylinder, valve train or injector |
| P0276 | INJ | Cylinder #6 injector circuit low | Open circuit, fuel injector, FICM connector loose, FICM |
| P0277 | INJ | Cylinder #6 injector circuit high | Circuit short to ground or voltage, fuel injector, FICM |
| P0278 | INJ | Cylinder #6 contribution/balance | Power cylinder, valve train or injector |
| P0279 | INJ | Cylinder #7 injector circuit low | Open circuit, fuel injector, FICM connector loose, FICM |
| P0280 | INJ | Cylinder #7 injector circuit high | Circuit short to ground or voltage, fuel injector, FICM |
| P0281 | INJ | Cylinder #7 contribution/balance | Power cylinder, valve train or injector |
| P0282 | INJ | Cylinder #8 injector circuit low | Open circuit, fuel injector, FICM connector loose, FICM |
| P0283 | INJ | Cylinder #8 injector circuit high | Circuit short to ground or voltage, fuel injector, FICM |
| P0284 | INJ | Cylinder #8 contribution/balance | Power cylinder, valve train or injector |
| P0297 | INJ | Vehicle overspeed condition | Excessive engine speed |
| P0298 | EOT | Engine oil overtemperature condition | Faulty sensor, faulty circuitry, cooling system fault, faulty thermostat, faulty PCM |
| P0299 | EP | Turbo/Supercharger Underboost | EP actual is less than commanded |
| P0300 | INJ | Random misfire detected | CKP/CMP not in sync, more that one cylinder is detected |
| P0301 | INJ | Cylinder #1 misfire detected | Mechanical engine failure |
| P0302 | INJ | Cylinder #2 misfire detected | Mechanical engine failure |
| P0303 | INJ | Cylinder #3 misfire detected | Mechanical engine failure |
| P0304 | INJ | Cylinder #4 misfire detected | Mechanical engine failure |
| P0305 | INJ | Cylinder #5 misfire detected | Mechanical engine failure |
| P0306 | INJ | Cylinder #6 misfire detected | Mechanical engine failure |
| P0307 | INJ | Cylinder #7 misfire detected | Mechanical engine failure |
| P0308 | INJ | Cylinder #8 misfire detected | Mechanical engine failure |
| P0335 | CKP | Crankshaft position sensor A circuit | Crankshaft sensor circuit |
| P0336 | CKP | Crankshaft position sensor A circuit range/performance | Crankshaft sensor circuit |
| P0340 | CMP | Camshaft position sensor A circuit (bank 1 or single sensor) | Camshaft sensor circuit |
| P0341 | CMP | Camshaft position sensor A circuit range/performance (bank 1 or signal sensor) | Camshaft sensor circuit |
| P0381 | GPL | Glow plug/heater indicator circuit | Open circuit, short to ground |
| P0401 | EGR | Exhaust gas recirculation flow insufficient detected | EGR valve, sensor failure |
| P0402 | EGR | Exhaust gas recirculation flow excessive detected | EGR valve, sensor failure |
| P0403 | EGR | Exhaust gas recirculation control circuit | Open circuit, short to ground, short to voltage, faulty valve, faulty PCM |
| P0404 | EGR | Exhaust gas recirculation control circuit range/performance | Difference between command and actual exceeds a specified limit |
| P0405 | EGR | Exhaust gas recirculation sensor A circuit low | Voltage below a specified range |
| P0406 | EGR | Exhaust gas recirculation sensor A circuit high | Voltage above a specified range |
| P0407 | EGR | Exhaust gas recirculation sensor B circuit low | Sensor, open circuit, short to ground |
| P0408 | EGR | Exhaust gas recirculation sensor B circuit high | Sensor, short to voltage |
| P0460 | FLI | Fuel level sensor circuit | Open circuit, short circuit, cluster, tank unit, open return |
| P0470 | EGR | Exhaust pressure sensor | Faulty sensor, open signal return, faulty PCM |
| P0471 | EP | Exhaust pressure sensor range/performance | Faulty sensor, restricted supply tube, faulty PCM |
| P0472 | EP | Exhaust pressure sensor low input | Open VREF, short circuit, open circuit |
| P0473 | EP | Exhaust pressure sensor high input | Short to voltage |
| P0478 | EP | Exhaust pressure control valve high input | EP above specified value |
| P0480 | VFAN | Fan 1 control circuit | Short to voltage, short to ground, open circuit |
| P0487 | EGR | EGR throttle position control circuit | Circuit open, shorted, actuator |
| P0488 | EGR | EGR throttle position control range/performance | Throttle plate, actuator, sensor |
| P0500 | VSS | Vehicle speed sensor A | Faulty sensor, circuit failure, PCM failure, trans failure, TR failure |
| P0528 | FSS | Fan speed sensor circuit no signal | Mechanical failure, short to voltage, open circuit, short to ground |
| P0560 | PCED | System voltage | Charging system failure |
| P0562 | PCED | System voltage low | Charging system failure |
| P0563 | PCED | System voltage high | Charging system failure |
| P0565 | SCCS | Cruise control ON signal | Open circuit, short circuit, switch failure, PCM failure to activate switch during testing |
| P0566 | SCCS | Cruise control OFF signal | Open circuit, short circuit, switch failure, PCM failure to activate switch during testing |
| P0567 | SCCS | Cruise control RESUME signal | Open circuit, short circuit, switch failure, PCM failure to activate switch during testing |
| P0568 | SCCS | Cruise control SET signal | Open circuit, short circuit, switch failure, PCM failure to activate switch during testing |
| P0569 | SCCS | Cruise control COAST signal | Open circuit, short circuit, switch failure, PCM failure to activate switch during testing |
| P0603 | PCED | Powertrain control module keep alive memory (KAM) error | Faulty connection, faulty PCM |
| P0605 | PCED | Powertrain control module read only memory (ROM) error | Internal PCM failure |
| P0606 | PCED | ECM/PCM processor | Internal PCM fault |
| P0611 | FICM | Fuel injector control module performance | Internal FICM failure |
| P0620 | ALT | Generator 1 control circuit | Charging system |
| P0623 | ALT | Generator lamp control circuit | Charging system |
| P0645 | PCED | A/C clutch relay control circuit | A/C circuit, A/C relay |
| P0649 | PCED | Cruise control lamp control circuit | Circuit continuity |
| P0670 | GPCM | Glow plug module control circuit | Short to voltage, short to ground, open circuit |
| P0671 | GPCM | Cylinder 1 glow plug circuit | Circuit open, short to ground, short to voltage, faulty glow plug |
| P0672 | GPCM | Cylinder 2 glow plug circuit | Circuit open, short to ground, short to voltage, faulty glow plug |
| P0673 | GPCM | Cylinder 3 glow plug circuit | Circuit open, short to ground, short to voltage, faulty glow plug |
| P0674 | GPCM | Cylinder 4 glow plug circuit | Circuit open, short to ground, short to voltage, faulty glow plug |
| P0675 | GPCM | Cylinder 5 glow plug circuit | Circuit open, short to ground, short to voltage, faulty glow plug |
| P0676 | GPCM | Cylinder 6 glow plug circuit | Circuit open, short to ground, short to voltage, faulty glow plug |
| P0677 | GPCM | Cylinder 7 glow plug circuit | Circuit open, short to ground, short to voltage, faulty glow plug |
| P0678 | GPCM | Cylinder 8 glow plug circuit | Circuit open, short to ground, short to voltage, faulty glow plug |
| P0683 | GPCM | Glow plug control module to PCM communication circuit | Open circuit, short to voltage, short to ground, faulty PCM |
| P0700 | TR | Transmission control system (MIL request) | Internal transmission fault |
| P0703 | BOO | Brake switch B input circuit | Short to ground, open circuit, short to voltage, faulty PCM |
| P0704 | CPP | Clutch switch input circuit | Short to ground, open circuit, short to voltage, faulty PCM |
| P1000 | PCED | OBD systems readiness test not complete | OBD monitors/drive cycles incomplete |
| P1001 | PCED | KOER not able to complete, KOER aborted | Entry conditions for KOER self-test not met |
| P1102 | MAF | Mass air flow sensor in range but lower than expected | VPWR open, return circuit open, signal short to ground sensor |
| P1139 | WIF | Water in fuel indicator | WIF lamp, faulty PCM |
| P1148 | ALT | Generator 2 control circuit | Charging system |
| P1149 | ALT | Generator 2 control circuit high | Charging system |
| P1184 | EOT | Engine oil temperature sensor out of self test range | Engine too cold/hot, leaking thermostat, faulty sensor |
| P1260 | Theft detected, vehicle immobilized | Anti-theft system failure | |
| P1284 | ICP | Aborted KOER - injector control pressure regulator | IPR valve, circuit failure |
| P1334 | EGR | EGR throttle position sensor minimum stop performance | Throttle plate, actuator sensor |
| P1335 | EGR | EGR position sensor minimum stop performance | Difference between command and actual exceeds limit |
| P1378 | INJ Module | FICM supply voltage circuit low | Faulty connection, fuse, faulty relay, short to ground, charging system |
| P1379 | INJ Module | FICM supply voltage circuit high | Charging system |
| P1408 | EGR | Exhaust gas recirculation flow out of self test range | EGR above/below required calibration |
| P1464 | ACCS | A/C demand out of self test range | Operator error, A/C circuit shorted to voltage |
| P1501 | VSS | Vehicle speed sensor out of self test range | Operator error |
| P1502 | PCED | Invalid test - auxiliary power control module functioning | APCM active while KOER test is running |
| P1531 | PCED | Invalid test - accelerator pedal movement | Accelerator moved during KOER testing |
| P1536 | PBA | Parking brake switch circuit | Circuit, switch, PCM failed to activate switch during KOER |
| P1635 | PCM | Tire/axle out of acceptable range | PCM programming |
| P1636 | PCM | Vehicle ID block corrupted, not programmed | PCM programming |
| P1703 | BOO | Brake switch out of self test range | During KOER self-test the BPP signal did not cycle high and low. |
| P1705 | TR | Transmission range circuit not indicating park/neutral during self test | Trans range failure |
| P1725 | Insufficient engine speed increase during self-test | System voltage out of self-test range. Repeat the self-test. | |
| P1726 | Insufficient engine speed decrease during self-test | System voltage out of self-test range. Repeat the self-test. | |
| P2122 | APP | Throttle/pedal position sensor/switch D circuit low input | Faulty sensor, poor connection, open in signal circuit, signal circuit short to ground, faulty PCM |
| P2123 | APP | Throttle/pedal position sensor/switch D circuit high input | Short to voltage, signal return open, faulty sensor, faulty PCM |
| P2127 | APP | Throttle/pedal position sensor/switch E circuit low input | Faulty sensor, poor connection, open in signal circuit, signal circuit short to ground, faulty PCM |
| P2128 | APP | Throttle/pedal position sensor/switch E circuit high input | Short to voltage, signal return open, faulty sensor, faulty PCM |
| P2132 | APP | Throttle/pedal position sensor/switch F circuit low input | Faulty sensor, poor connection, open in signal circuit, signal circuit short to ground, faulty PCM |
| P2133 | APP | Throttle/pedal position sensor/switch F circuit high input | Short to voltage, signal return open, faulty sensor, faulty PCM |
| P2138 | APP | Throttle/pedal position sensor/switch D/E voltage correlation | Difference in sensor readings |
| P2139 | APP | Throttle/pedal position sensor/switch D/F voltage correlation | Difference in sensor readings |
| P2140 | APP | Throttle/pedal position sensor/switch E/F voltage correlation | Difference in sensor readings |
| P2199 | IAT | Intake air temperature 1/2 correlation | Difference between IAT and IAT2 exceeds a specified value |
| P2262 | MAP | Turbo/supercharger boost pressure not detected - mechanical | Minimum boost under load. MAP hose disconnected. |
| P2263 | MAP | Turbo/supercharger system performance | MAP does not achieve the minimum pressure |
| P2269 | WIF | Water in fuel condition | Water in fuel, faulty connection, short in circuit, faulty sensor, faulty PCM |
| P2284 | ICP | Injector control pressure sensor circuit range/performance | A difference in commanded versus actual injection oil pressure was detected. |
| P2285 | ICP | Injector control pressure sensor circuit low | ICP signal is lower than specified value |
| P2286 | ICP | Injector control pressure sensor circuit high | ICP signal is higher than specified value |
| P2287 | ICP | Injector control pressure sensor circuit intermittent | ICP signal is intermittent |
| P2288 | ICP | Injector control pressure too high | ICP pressure is greater than specified value |
| P2289 | ICP | Injector control pressure too high - engine OFF | ICP pressure is greater than specified value |
| P2290 | ICP | Injector control pressure too low | Actual pressure is less than commanded for a specified time |
| P2291 | ICP | Injector control pressure too low - engine cranking | ICP cranking pressure too low |
| P2552 | FICMM | FICMM circuit - throttle/fuel inhibit circuit | RPM out of range for closed pedal position |
| P2614 | CMP | Camshaft position output circuit | Incorrect CMP signal |
| P2617 | CKP | Crankshaft position output circuit | Incorrect CKP signal |
| P2623 | IPR | Injector control pressure regulator circuit | Open circuit, short to ground, IPR stuck |
| U0101 | PCED | Lost communication with | TCM Communication failure |
| U0105 | PCED | Lost communication with | FICM Communication failure |
| U0155 | PCED | Lost communication with instrument cluster | Communication failure |
| U0306 | PCED | Software incompatibility with fuel injector control module | Communication failure |
| P1610 | PCED | Install a new PCM module | PCM flashing failure |
| P1611 | PCED | Diagnose further | PCM flashing failure |
| P1615 | PCED | Flash erase error | PCM flashing failure |
| P1616 | PCED | Flash erase error, low voltage | PCM flashing failure |
| P1617 | PCED | Block programming error | PCM flashing failure |
| P1618 | PCED | Block programming error, low voltage | PCM flashing failure |