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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

4-Digit Description Pinpoint Test Step GO to Direction
KOEO KOER Continuous
P0046 Turbo/Super Charger Boost Control Solenoid Circuit Range/Performance GO to PINPOINT TEST AK .
P0069 MAP/BARO Correlation GO to PINPOINT TEST AU .
P006A (F-Super Duty/ Excursion Build Date On Or Before 9-29-03 Only) MAP - Mass or Volume Air Flow Correlation GO to PINPOINT TEST J: MASS AIR FLOW (MAF) SENSOR .
P0096 Intake Air Temperature Sensor 2 Circuit Range/Performance GO to G: Intake Air Temperature 2 (IAT2) Sensor STEP G2.
P0097 Intake Air Temperature Sensor 2 Circuit Low Input GO to G: Intake Air Temperature 2 (IAT2) Sensor STEP G6.
P0098 Intake Air Temperature Sensor 2 Circuit High Input GO to G: Intake Air Temperature 2 (IAT2) Sensor STEP G8.
P0101 Mass or Volume Air Flow Circuit Range/Performance GO to J: Mass Air Flow (MAF) Sensor STEP J2.
P0103 Mass or Volume Air Flow Circuit High Input GO to J: Mass Air Flow (MAF) Sensor STEP J8.
P0107 Manifold Absolute Pressure/BARO Sensor Low Input GO to H: Barometric Pressure (BARO) Sensor STEP H2.
P0108 Manifold Absolute Pressure/BARO Sensor High Input GO to H: Barometric Pressure (BARO) Sensor STEP H6.
P0112 Intake Air Temperature Circuit Low Input GO to F: Intake Air Temperature (IAT) Sensor STEP F2.
P0113 Intake Air Temperature Circuit High Input GO to F: Intake Air Temperature (IAT) Sensor STEP F4.
P0117 Engine Coolant Temperature Circuit Low Input GO to K: Engine Coolant Temperature (ECT) Sensor STEP K2.
P0118 Engine Coolant Temperature High Input GO to K: Engine Coolant Temperature (ECT) Sensor STEP K4.
P0148 Fueling Error GO to PINPOINT TEST AT .
P0196 Engine Oil Temperature Sensor Circuit Range/Performance GO to L: Engine Oil Temperature (EOT) Sensor STEP L2.
P0197 Engine Oil Temperature Sensor Circuit Low Input GO to L: Engine Oil Temperature (EOT) Sensor STEP L7.
P0198 Engine Oil Temperature Sensor Circuit High Input GO to L: Engine Oil Temperature (EOT) Sensor STEP L9.
P0219 Engine Overspeed Condition (1)
P0230 Fuel Pump Primary Circuit GO to M: Fuel Pump Monitor/Control STEP M2.
P0231 Fuel Pump Secondary Circuit Low GO to M: Fuel Pump Monitor/Control STEP M6.
P0232 Fuel Pump Secondary Circuit High GO to M: Fuel Pump Monitor/Control STEP M10.
P0236 Turbo/Super Charger Boost Sensor A Circuit Range/Performance GO to E: Manifold Absolute Pressure (MAP) Sensor, Analog STEP E2.
P0237 Turbo/Super Charger Boost Sensor A Circuit Low GO to E: Manifold Absolute Pressure (MAP) Sensor, Analog STEP E6.
P0238 Turbo/Super Charger Boost Sensor A Circuit High GO to E: Manifold Absolute Pressure (MAP) Sensor, Analog STEP E10.
P0261 Cylinder #1 Injector Circuit Low GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0262 Cylinder #1 Injector Circuit High GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0263 Cylinder #1 Contribution/Balance GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0264 Cylinder #2 Injector Circuit Low GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0265 Cylinder #2 Injector Circuit High GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0266 Cylinder #2 Contribution/Balance GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0267 Cylinder #3 Injector Circuit Low GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0268 Cylinder #3 Injector Circuit High GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0269 Cylinder #3 Contribution/Balance GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0270 Cylinder #4 Injector Circuit Low GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0271 Cylinder #4 Injector Circuit High GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0272 Cylinder #4 Contribution/Balance GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0273 Cylinder #5 Injector Circuit Low GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0274 Cylinder #5 Injector Circuit High GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0275 Cylinder #5 Contribution/Balance GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0276 Cylinder #6 Injector Circuit Low GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0277 Cylinder #6 Injector Circuit High GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0278 Cylinder #6 Contribution/Balance GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0279 Cylinder #7 Injector Circuit Low GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0280 Cylinder #7 Injector Circuit High GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0281 Cylinder #7 Contribution/Balance GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0282 Cylinder #8 Injector Circuit Low GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0283 Cylinder #8 Injector Circuit High GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0284 Cylinder #8 Contribution/Balance GO to P: Misfire/Injector Driver Circuit Operation STEP P1.
P0297 Vehicle Overspeed Condition (1)
P0298 Engine Oil Overtemperature Condition GO to L: Engine Oil Temperature (EOT) Sensor STEP L19.
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 P: Misfire/Injector Driver Circuit Operation STEP P7.
P0302 Cylinder #2 Misfire Detected GO to P: Misfire/Injector Driver Circuit Operation STEP P7.
P0303 Cylinder #3 Misfire Detected GO to P: Misfire/Injector Driver Circuit Operation STEP P7.
P0304 Cylinder #4 Misfire Detected GO to P: Misfire/Injector Driver Circuit Operation STEP P7.
P0305 Cylinder #5 Misfire Detected GO to P: Misfire/Injector Driver Circuit Operation STEP P7.
P0306 Cylinder #6 Misfire Detected GO to P: Misfire/Injector Driver Circuit Operation STEP P7.
P0307 Cylinder #7 Misfire Detected GO to P: Misfire/Injector Driver Circuit Operation STEP P7.
P0308 Cylinder #8 Misfire Detected GO to P: Misfire/Injector Driver Circuit Operation STEP P7.
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 (2)
P0401 Exhaust Gas Recirculation Flow Insufficient Detected GO to W: Exhaust Gas Recirculation (EGR) STEP W2.
P0402 Exhaust Gas Recirculation Flow Excessive Detected GO to W: Exhaust Gas Recirculation (EGR) STEP W2.
P0403 Exhaust Gas Recirculation Control Circuit GO to W: Exhaust Gas Recirculation (EGR) STEP W4.
P0404 Exhaust Gas Recirculation Control Circuit Range/Performance GO to W: Exhaust Gas Recirculation (EGR) STEP W9.
P0405 Exhaust Gas Recirculation Sensor A Circuit Low GO to W: Exhaust Gas Recirculation (EGR) STEP W10.
P0406 Exhaust Gas Recirculation Sensor A Circuit High GO to W: Exhaust Gas Recirculation (EGR) STEP W14.
P0407 Exhaust Gas Recirculation Sensor B Circuit Low GO to PINPOINT TEST AX .
P0408 Exhaust Gas Recirculation Sensor B Circuit High GO to PINPOINT TEST AX .
P0460 Fuel Level Sensor Circuit (2)
P0461 Fuel Level Sensor Circuit Range/Performance (2)
P0470 Exhaust Pressure Sensor GO to X: Exhaust Pressure (EP) Sensor STEP X2.
P0471 Exhaust Pressure Sensor Range/Performance GO to X: Exhaust Pressure (EP) Sensor STEP X6.
P0472 Exhaust Pressure Sensor Low Input GO to X: Exhaust Pressure (EP) Sensor STEP X10.
P0473 Exhaust Pressure Sensor High Input GO to X: Exhaust Pressure (EP) Sensor STEP X15.
P0478 Exhaust Pressure Control Valve High Input
P0480 Fan 1 Control Circuit GO to PINPOINT TEST AH .
P0487 EGR Throttle Position Control Circuit GO to PINPOINT TEST AX .
P0488 EGR Throttle Position Range/Performance GO to PINPOINT TEST AX .
P0500 Vehicle Speed Sensor A (3)
P0528 Fan Speed Sensor Circuit No Signal GO to PINPOINT TEST AH .
P0560 System Voltage GO to PINPOINT TEST A .
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 .
P0603 Powertrain Control Module Keep Alive Memory (KAM) Error GO to PINPOINT TEST Z .
P0605 Powertrain Control Module Read Only Memory (ROM) Error GO to PINPOINT TEST AA .
P0606 ECM/PCM Processor (4)
P0611 Fuel Injector Control Module Performance GO to PINPOINT TEST S .
P0620 Generator 1 Control Circuit (5)
P0623 Generator Lamp Control Circuit (5)
P0645 A/C Clutch Relay Control Circuit GO to PINPOINT TEST AV .
P0649 Cruise Control Lamp Control Circuit (2)
P0657 Actuator Supply Voltage A Circuit Open (6)
P0670 Glow Plug Module Control Circuit PINPOINT TEST AF
P0671 Cylinder 1 Glow Plug Circuit PINPOINT TEST AF
P0672 Cylinder 2 Glow Plug Circuit PINPOINT TEST AF
P0673 Cylinder 3 Glow Plug Circuit PINPOINT TEST AF
P0674 Cylinder 4 Glow Plug Circuit PINPOINT TEST AF
P0675 Cylinder 5 Glow Plug Circuit PINPOINT TEST AF
P0676 Cylinder 6 Glow Plug Circuit PINPOINT TEST AF
P0677 Cylinder 7 Glow Plug Circuit PINPOINT TEST AF
P0678 Cylinder 8 Glow Plug Circuit PINPOINT TEST AF
P0683 Glow Plug Control Module to PCM Communication Circuit PINPOINT TEST AF
P0700 Transmission Control System (MIL Request) (6)
P0703 Brake Switch B Input Circuit GO to PINPOINT TEST AY .
P0704 Clutch Switch Input 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 (1)
P1102 Mass Air Flow Sensor In Range But Lower Than Expected GO to PINPOINT TEST J .
P1139 Water in Fuel Indicator Circuit (2)
P1148 Generator 2 Control Circuit (5)
P1149 Generator 2 Control Circuit High (5)
P1184 Engine Oil Temperature Sensor Out Of Self Test Range GO to L: Engine Oil Temperature (EOT) Sensor STEP L13.
P1260 Theft Detected, Vehicle Immobilized (7)
P1284 Aborted KOER -Injector Control Pressure Regulator (8)
P132B Turbocharger/Supercharger Boost Control A Performance GO to PINPOINT TEST KA .
P1334 EGR Throttle Position Sensor Minimum Stop Performance GO to PINPOINT TEST AX .
P1335 EGR Position Sensor Minimum Stop Performance GO to PINPOINT TEST W .
P1378 FICM Supply Voltage Circuit Low GO to S: Fuel Injector Control Module (FICM) Low Voltage STEP S2.
P1379 FICM Supply Voltage Circuit High GO to S: Fuel Injector Control Module (FICM) Low Voltage STEP S7.
P1408 Exhaust Gas Recirculation Flow Out Of Self-Test Range (9)
P1464 A/C Demand Out Of Self-Test Range GO to PINPOINT TEST AM .
P1501 Vehicle Speed Sensor Out Of Self-Test Range (3)
P1502 Invalid Test - Auxiliary Power Control Module Functioning GO to PINPOINT TEST AE .
P1531 Invalid Test - Accelerator Pedal Movement Repeat the self-test.
P1536 Parking Brake Switch Circuit GO to PINPOINT TEST I .
P1635 Tire/Axle Out Of Acceptable Range (10)
P1639 Vehicle ID Block Corrupted, Not Programmed (10)
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 (11)
P1726 Insufficient Engine Speed Decrease During Self-Test (11)
P2104 (E-Series or F-Super Duty/ Excursion Build Date On 9-30-03 Or Later Only) Throttle Actuator Control System - Forced Idle GO to PINPOINT TEST AG: ACCELERATOR PEDAL POSITION (APP) SENSOR Step AG16.
P2122 Throttle/Pedal Position Sensor/Switch D Circuit Low Input GO to G: Accelerator Pedal Position (APP) Sensor STEP AG2.
P2123 Throttle/Pedal Position Sensor/Switch D Circuit High Input GO to G: Accelerator Pedal Position (APP) Sensor STEP AG8.
P2127 Throttle/Pedal Position Sensor/Switch E Circuit Low Input GO to G: Accelerator Pedal Position (APP) Sensor STEP AG2.
P2128 Throttle/Pedal Position Sensor/Switch E Circuit High Input GO to G: Accelerator Pedal Position (APP) Sensor STEP AG8.
P2132 Throttle/Pedal Position Sensor/Switch F Circuit Low Input GO to G: Accelerator Pedal Position (APP) Sensor STEP AG2.
P2133 Throttle/Pedal Position Sensor/Switch F Circuit High Input GO to G: Accelerator Pedal Position (APP) Sensor STEP AG8.
P2138 Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation GO to G: Accelerator Pedal Position (APP) Sensor STEP AG13.
P2139 Throttle/Pedal Position Sensor/Switch D/F Voltage Correlation GO to G: Accelerator Pedal Position (APP) Sensor STEP AG13.
P2140 Throttle/Pedal Position Sensor/Switch E/F Voltage Correlation GO to G: Accelerator Pedal Position (APP) Sensor STEP AG13.
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 Q: Injection Control Pressure (ICP) Sensor STEP Q2.
P2286 Injector Control Pressure Sensor Circuit High GO to Q: Injection Control Pressure (ICP) Sensor STEP Q6.
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 O: Injector Control Pressure Too High STEP AO9.
P2291 Injector Control Pressure Too Low - Engine Cranking GO to PINPOINT TEST AQ .
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 .
U0101 Lost Communication with TCM Replace PCM.
U0105 Lost Communication with FICM GO to PINPOINT TEST AS .
U0155 Lost Communication with Instrument Cluster (12)
U0306 Software Incompatibility with Fuel Injector Control Module (12)
B1213 Less than two keys programmed to the system (7)
B1342 ECU damaged (EEPROM in PCM not working, replace PCM) (7)
B1600 PATS Ignition Key Transponder Signal Is Not Received (7)
B1601 PATS Received Incorrect Key-Code From Ignition Key Transponder (7)
B1602 PATS Received Invalid Format Of Key-Code From Ignition Key Transponder (7)
B1681 PATS Transceiver Module Signal Is Not Received (7)
B2103 Antenna Not Connected (7)
B2431 Transponder Programming Failed (7)
P1610 Interactive Reprogramming Code - Replace PCM module Reflash the module.
P1611 Interactive Reprogramming Code - Diagnose Further Reflash the module.
P1615 Interactive Reprogramming Code - Flash Erase Error Reflash the module.
P1616 Interactive Reprogramming Code - Flash Erase Error, Low Voltage Reflash the module.
P1617 Interactive Reprogramming Code - Block Programming Error Reflash the module.
P1618 Interactive Reprogramming Code - Block Programming Error, Low Voltage Reflash the module.
  Malfunction Indicator (13)
(1) Rerun self-test, refer to Symptom Quick Test for further diagnostic information.

(2) Refer to the appropriate INSTRUMENT CLUSTER article for diagnostic procedures.

(3) For F-Super Duty/Excursion, vehicle speed information is provided by the anti-lock brake system. Refer to ANTI-LOCK CONTROL - 4-WHEEL - EXCURSION & F250-F550 SUPER DUTY PICKUP . For E-Series, Refer to the appropriate AUTOMATIC TRANSAXLE/TRANSMISSION article.

(4) Clear the DTCs. Repeat the self-test. If the DTC is retrieved again, install a new PCM.

(5) Refer to the appropriate GENERATORS & REGULATORS article for diagnostic procedures.

(6) Refer to the appropriate AUTOMATIC TRANSAXLE/TRANSMISSION article for diagnostic procedures.

(7) Refer to the appropriate ANTI-THEFT article for diagnostic procedures.

(8) Carry out the KOEO self-test. Diagnose all other DTCs first. Clear the DTCs. Repeat the KOER self test. If DTC P1284 is retrieved again, refer to the PERFORMANCE DIAGNOSTIC PROCEDURES  to diagnose the high pressure oil system.

(9) Refer to PERFORMANCE DIAGNOSTIC PROCEDURES  for further diagnostics.

(10) Refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY - FLASH EEPROM

(11) If the Glow Plug Monitor Self-Test aborts and this DTC is present, repeat the Glow Plug Monitor Self-Test.

(12) Refer to the appropriate MODULE COMMUNICATIONS NETWORK for diagnostic procedures.

(13) Malfunction indicator lamp concerns, Refer to SYMPTOM CHARTS - 6.0L DIESEL
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