Diagnostic Trouble Code (DTC) Charts And Descriptions

2007 Ford Fusion SEL, 2.3 Z, StandardSECTION Diagnostic Trouble Code (DTC) Charts And Descriptions
WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to the applicable article to diagnose the body and chassis DTCs.
DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC Description
DTC BXXXX (TBCM)   
DTC BXXXX (PCM)   
DTC C1218  LAMP ABS WARNING OUTPUT CIRCUIT FAILURE
DTC C1222  SPEED WHEEL MISMATCH
DTC CXXXX (TBCM)   
DTC CXXXX (PCM)   
DTC P0053  HO2S HEATER RESISTANCE (BANK 1, SENSOR 1)
DTC P0054  HO2S HEATER RESISTANCE (BANK 1, SENSOR 2)
DTC P0068  MANIFOLD ABSOLUTE PRESSURE (MAP)/MASS AIR FLOW (MAF) - THROTTLE POSITION CORRELATION
DTC P0087  FUEL RAIL/SYSTEM PRESSURE - TOO LOW
DTC P0102  MASS OR VOLUME AIR FLOW A CIRCUIT LOW INPUT
DTC P0103  MASS OR VOLUME AIR FLOW A CIRCUIT HIGH INPUT
DTC P0106  MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR CIRCUIT PERFORMANCE
DTC P0107  MAP SENSOR LOW VOLTAGE DETECTED
DTC P0108  MAP SENSOR HIGH VOLTAGE DETECTED
DTC P0112  INTAKE AIR TEMPERATURE (IAT) SENSOR 1 CIRCUIT LOW INPUT
DTC P0113  INTAKE AIR TEMPERATURE (IAT) SENSOR 1 CIRCUIT HIGH INPUT
DTC P0114  INTAKE AIR TEMPERATURE (IAT) SENSOR 1 INTERMITTENT/ERRATIC
DTC P0116  ENGINE COOLANT TEMPERATURE SENSOR 1 CIRCUIT RANGE/PERFORMANCE
DTC P0119  ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1 CIRCUIT INTERMITTENT/ERRATIC
DTC P0122  THROTTLE/PEDAL POSITION SENSOR A CIRCUIT LOW
DTC P0123  THROTTLE/PEDAL POSITION SENSOR A CIRCUIT HIGH
DTC P0128  COOLANT THERMOSTAT (COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEMPERATURE)
DTC P0132  O2 CIRCUIT HIGH VOLTAGE (BANK 1, SENSOR 1)
DTC P0133  O2 CIRCUIT SLOW RESPONSE (BANK 1, SENSOR 1)
DTC P0135  O2 HEATER CIRCUIT (BANK 1, SENSOR 1)
DTC P0138  O2 CIRCUIT HIGH VOLTAGE (BANK 1, SENSOR 2)
DTC P0141  O2 HEATER CIRCUIT (BANK 1, SENSOR 2)
DTC P0148  FUEL DELIVERY ERROR
DTC P0171  SYSTEM TOO LEAN (BANK 1)
DTC P0172  SYSTEM TOO RICH (BANK 1)
DTC P0182  FUEL TEMPERATURE SENSOR A CIRCUIT LOW
DTC P0183  FUEL TEMPERATURE SENSOR A CIRCUIT HIGH
DTC P0190  FUEL RAIL PRESSURE SENSOR A CIRCUIT
DTC P0191  FUEL RAIL PRESSURE SENSOR A CIRCUIT RANGE/PERFORMANCE
DTC P0192  FUEL RAIL PRESSURE SENSOR A CIRCUIT LOW
DTC P0193  FUEL RAIL PRESSURE SENSOR A CIRCUIT HIGH
DTC P0201  INJECTOR CIRCUIT/OPEN - CYLINDER 1
DTC P0202  INJECTOR CIRCUIT/OPEN - CYLINDER 2
DTC P0203  INJECTOR CIRCUIT/OPEN - CYLINDER 3
DTC P0204  INJECTOR CIRCUIT/OPEN - CYLINDER 4
DTC P0222  THROTTLE/PEDAL POSITION SENSOR/SWITCH B CIRCUIT LOW
DTC P0223  THROTTLE/PEDAL POSITION SENSOR/SWITCH B CIRCUIT HIGH
DTC P0300  RANDOM MISFIRE DETECTED
DTC P0301  CYLINDER 1 MISFIRE DETECTED
DTC P0302  CYLINDER 2 MISFIRE DETECTED
DTC P0303  CYLINDER 3 MISFIRE DETECTED
DTC P0304  CYLINDER 4 MISFIRE DETECTED
DTC P0315  CRANKSHAFT POSITION SYSTEM VARIATION NOT LEARNED
DTC P0316  MISFIRE DETECTED ON STARTUP (FIRST 1000 REVOLUTIONS)
DTC P0320  IGNITION/DISTRIBUTOR ENGINE SPEED INPUT CIRCUIT
DTC P0325  KNOCK SENSOR 1 CIRCUIT (BANK 1)
DTC P0340  CAMSHAFT POSITION SENSOR A CIRCUIT (BANK 1 OR SINGLE SENSOR)
DTC P0351  IGNITION COIL A PRIMARY/SECONDARY CIRCUIT
DTC P0352  IGNITION COIL B PRIMARY/SECONDARY CIRCUIT
DTC P0353  IGNITION COIL C PRIMARY/SECONDARY CIRCUIT
DTC P0354  IGNITION COIL D PRIMARY/SECONDARY CIRCUIT
DTC P0400  EXHAUST GAS RECIRCULATION (EGR) FLOW
DTC P0403  EXHAUST GAS RECIRCULATION (EGR) CONTROL CIRCUIT
DTC P0420  CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD (BANK 1)
DTC P0442  EVAPORATIVE EMISSION SYSTEM LEAK DETECTED (SMALL LEAK)
DTC P0443  EVAPORATIVE EMISSION SYSTEM PURGE CONTROL VALVE CIRCUIT
DTC P0446  EVAPORATIVE EMISSION SYSTEM VENT CONTROL CIRCUIT
DTC P0452  EVAPORATIVE EMISSION SYSTEM PRESSURE SENSOR/SWITCH LOW
DTC P0453  EVAPORATIVE EMISSION SYSTEM PRESSURE SENSOR/SWITCH HIGH
DTC P0454  EVAPORATIVE EMISSION SYSTEM PRESSURE SENSOR/SWITCH INTERMITTENT
DTC P0455  EVAPORATIVE EMISSION SYSTEM LEAK DETECTED (GROSS LEAK/NO FLOW)
DTC P0456  EVAPORATIVE EMISSION SYSTEM LEAK DETECTED (VERY SMALL LEAK)
DTC P0457  EVAPORATIVE EMISSION SYSTEM LEAK DETECTED (FUEL CAP LOOSE/OFF)
DTC P0460  FUEL LEVEL SENSOR A CIRCUIT
DTC P0461  FUEL LEVEL SENSOR A CIRCUIT RANGE/PERFORMANCE
DTC P0462  FUEL LEVEL SENSOR A CIRCUIT LOW
DTC P0463  FUEL LEVEL SENSOR A CIRCUIT HIGH
DTC P0480  FAN 1 CONTROL CIRCUIT
DTC P0481  FAN 2 CONTROL CIRCUIT
DTC P0482  FAN 3 CONTROL CIRCUIT
DTC P0500  VEHICLE SPEED SENSOR (A)
DTC P0506  IDLE AIR CONTROL SYSTEM RPM LOWER THAN EXPECTED
DTC P0507  IDLE AIR CONTROL SYSTEM RPM HIGHER THAN EXPECTED
DTC P0535  A/C EVAPORATOR TEMPERATURE SENSOR CIRCUIT
DTC P0537  A/C EVAPORATOR TEMPERATURE (ACET) CIRCUIT LOW
DTC P0538  A/C EVAPORATOR TEMPERATURE (ACET) CIRCUIT HIGH
DTC P0562 (PCM)  SYSTEM VOLTAGE LOW
DTC P0562 (TCM)  SYSTEM VOLTAGE LOW
DTC P0563 (PCM)  SYSTEM VOLTAGE HIGH
DTC P0563 (TCM)  SYSTEM VOLTAGE HIGH
DTC P0579  CRUISE CONTROL MULTI-FUNCTION INPUT A CIRCUIT RANGE/PERFORMANCE
DTC P0581  CRUISE CONTROL MULTI-FUNCTION INPUT A CIRCUIT HIGH
DTC P0602  POWERTRAIN CONTROL MODULE (PCM) PROGRAMMING ERROR
DTC P0603  INTERNAL CONTROL MODULE KEEP ALIVE MEMORY (KAM) ERROR
DTC P0605  INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM) ERROR
DTC P0606  CONTROL MODULE PROCESSOR
DTC P0613  TRANSAXLE CONTROL MODULE (TCM) PROCESSOR
DTC P0642  SENSOR REFERENCE VOLTAGE A CIRCUIT LOW
DTC P0643  SENSOR REFERENCE VOLTAGE A CIRCUIT HIGH
DTC P0645  A/C CLUTCH RELAY CONTROL CIRCUIT
DTC P0685  POWERTRAIN CONTROL MODULE (PCM) POWER RELAY CONTROL CIRCUIT/OPEN
DTC P0700  TRANSMISSION CONTROL SYSTEM (MALFUNCTION INDICATOR LAMP [MIL] REQUEST)
DTC P0710  TRANSMISSION FLUID TEMPERATURE SENSOR A CIRCUIT
DTC P0726  ENGINE SPEED INPUT CIRCUIT RANGE/PERFORMANCE
DTC P0727  ENGINE SPEED INPUT CIRCUIT NO SIGNAL
DTC P0A00  MOTOR ELECTRONICS COOLANT TEMPERATURE (MECT) SENSOR CIRCUIT
DTC P0A01  MOTOR ELECTRONICS COOLANT TEMPERATURE (MECT) SENSOR CIRCUIT RANGE PERFORMANCE
DTC P0A02  MOTOR ELECTRONICS COOLANT TEMPERATURE (MECT) SENSOR CIRCUIT LOW
DTC P0A03  MOTOR ELECTRONICS COOLANT TEMPERATURE (MECT) SENSOR CIRCUIT HIGH
DTC P0A05  MOTOR ELECTRONICS COOLANT PUMP (MECP) CONTROL CIRCUIT OPEN
DTC P0A08  DC/DC CONVERTER STATUS CIRCUIT OPEN
DTC P0A09  DC/DC CONVERTER STATUS CIRCUIT LOW
DTC P0A0A (TBCM)  HIGH VOLTAGE SYSTEM INTER-LOCK CIRCUIT
DTC P0A0A (TCM)  HIGH VOLTAGE SYSTEM INTER-LOCK CIRCUIT
DTC P0A10  DC/DC CONVERTER STATUS CIRCUIT HIGH
DTC P0A11  DC/DC CONVERTER ENABLE (DCE) CIRCUIT OPEN
DTC P0A12  DC/DC CONVERTER ENABLE (DCE) CIRCUIT LOW
DTC P0A13  DC/DC CONVERTER ENABLE (DCE) CIRCUIT HIGH
DTC P0A18  MOTOR TORQUE SENSOR CIRCUIT RANGE/PERFORMANCE
DTC P0A1A  GENERATOR CONTROL MODULE
DTC P0A1B  DRIVE MOTOR A CONTROL MODULE
DTC P0A1F (TBCM)  BATTERY ENERGY CONTROL MODULE
DTC P0A1F (PCM)  BATTERY ENERGY CONTROL MODULE
DTC P0A23  GENERATOR TORQUE SENSOR CIRCUIT RANGE/PERFORMANCE
DTC P0A27 (TBCM)  HYBRID BATTERY POWER OFF CIRCUIT
DTC P0A27 (PCM)  HYBRID BATTERY POWER OFF CIRCUIT
DTC P0A28  HYBRID BATTERY POWER OFF CIRCUIT LOW
DTC P0A2A  DRIVE MOTOR A TEMPERATURE SENSOR CIRCUIT
DTC P0A2F  DRIVE MOTOR A OVER TEMPERATURE
DTC P0A36  GENERATOR TEMPERATURE SENSOR CIRCUIT
DTC P0A3B  GENERATOR OVER TEMPERATURE
DTC P0A3C  DRIVE MOTOR A INVERTER OVER TEMPERATURE
DTC P0A3E  GENERATOR INVERTER OVER TEMPERATURE
DTC P0A44  DRIVE MOTOR A POSITION SENSOR CIRCUIT OVERSPEED
DTC P0A50  GENERATOR POSITION SENSOR CIRCUIT OVERSPEED
DTC P0A78  DRIVE MOTOR A INVERTER PERFORMANCE
DTC P0A7A  GENERATOR INVERTER PERFORMANCE
DTC P0A7C  MOTOR ELECTRONIC OVER TEMPERATURE
DTC P0A7D  HYBRID BATTERY PACK STATE OF CHARGE LOW
DTC P0A7E  HYBRID BATTERY PACK OVER TEMPERATURE
DTC P0A80  REPLACE HYBRID BATTERY PACK
DTC P0A81  HYBRID BATTERY PACK COOLING FAN 1 CONTROL CIRCUIT
DTC P0A8B  SYSTEM VOLTAGE
DTC P0A8D  SYSTEM VOLTAGE LOW
DTC P0A8E  SYSTEM VOLTAGE HIGH
DTC P0A90  DRIVE MOTOR A PERFORMANCE
DTC P0A92  HYBRID GENERATOR PERFORMANCE
DTC P0A95  HIGH VOLTAGE FUSE
DTC P0A96  HYBRID BATTERY PACK COOLING FAN 2 CONTROL CIRCUIT
DTC P0A9B  HYBRID BATTERY TEMPERATURE SENSOR A CIRCUIT
DTC P0AA6  HYBRID BATTERY VOLTAGE SYSTEM ISOLATION FAULT
DTC P0AA7  HYBRID BATTERY VOLTAGE ISOLATION SENSOR CIRCUIT
DTC P0AAC  HYBRID BATTERY PACK AIR TEMPERATURE SENSOR A CIRCUIT
DTC P0AB1  HYBRID BATTERY PACK AIR TEMPERATURE SENSOR B CIRCUIT
DTC P0ABF  HYBRID BATTERY PACK CURRENT SENSOR A CIRCUIT
DTC P0AC0  HYBRID BATTERY PACK CURRENT SENSOR CIRCUIT RANGE / PERFORMANCE
DTC P0AE1  HYBRID BATTERY PRECHARGE CONTACTOR CIRCUIT
DTC P1000  ON-BOARD DIAGNOSTIC (OBD) SYSTEMS READINESS TEST NOT COMPLETE
DTC P1001  KEY ON ENGINE RUNNING (KOER) NOT ABLE TO COMPLETE, KOER ABORTED
DTC P1101  MASS AIR FLOW (MAF) SENSOR OUT OF SELF-TEST RANGE
DTC P1127  EXHAUST TEMPERATURE OUT OF RANGE, O2 SENSOR TESTS NOT COMPLETED
DTC P1145 (PCM)  CALCULATED TORQUE ERROR
DTC P1145 (TCM)  CALCULATED TORQUE ERROR
DTC P1233  FUEL PUMP DRIVER MODULE DISABLED OR OFF LINE
DTC P1235  FUEL PUMP CONTROL OUT OF RANGE
DTC P1237  FUEL PUMP SECONDARY CIRCUIT
DTC P1260  THEFT DETECTED, VEHICLE IMMOBILIZED
DTC P1285  CYLINDER HEAD OVER TEMPERATURE CONDITION
DTC P1288  CYLINDER HEAD TEMPERATURE (CHT) SENSOR OUT OF SELF-TEST RANGE
DTC P1289  CYLINDER HEAD TEMPERATURE (CHT) SENSOR CIRCUIT HIGH
DTC P1290  CYLINDER HEAD TEMPERATURE (CHT) SENSOR CIRCUIT LOW
DTC P1299  CYLINDER HEAD OVER TEMPERATURE PROTECTION ACTIVE
DTC P1397  SYSTEM VOLTAGE OUT OF SELF -TEST RANGE
DTC P1408  EXHAUST GAS RECIRCULATION (EGR) FLOW OUT OF SELF-TEST RANGE
DTC P1450  UNABLE TO BLEED UP FUEL TANK VACUUM
DTC P1459  A/C RECIRCULATION SWITCH OUT OF SELF-TEST RANGE
DTC P1464  A/C DEMAND OUT OF SELF-TEST RANGE
DTC P1500  VEHICLE SPEED SENSOR
DTC P1501  VEHICLE SPEED SENSOR (VSS) OUT OF SELF-TEST RANGE
DTC P1572  BRAKE PEDAL SWITCH CIRCUIT
DTC P1633  KEEP ALIVE POWER VOLTAGE TOO LOW
DTC P1635 (PCM)  TIRE/AXLE OUT OF ACCEPTABLE RANGE
DTC P1635 (TCM)  TIRE/AXLE OUT OF ACCEPTABLE RANGE
DTC P1639  VEHICLE ID (VID) BLOCK CORRUPTED, NOT PROGRAMMED
DTC P1703  BRAKE SWITCH OUT OF SELF-TEST RANGE
DTC P1705  TRANSMISSION RANGE CIRCUIT NOT INDICATING PARK/NEUTRAL DURING SELF-TEST
DTC P1921  TRANSMISSION RANGE SIGNAL
DTC P1A03  DRIVE MOTOR A SHUTDOWN CIRCUIT
DTC P1A04  GENERATOR SHUTDOWN CIRCUIT
DTC P1A05  DESIRED ENGINE SPEED SIGNAL
DTC P1A06  VEHICLE MODE SIGNAL
DTC P1A07  INVERTER HIGH VOLTAGE PERFORMANCE
DTC P1A08  GENERATOR MODE SIGNAL
DTC P1A0A  IMMEDIATE SHUTDOWN SIGNAL
DTC P1A0C  HYBRID POWERTRAIN CONTROL MODULE - ENGINE DISABLED
DTC P1A0D  HYBRID POWERTRAIN CONTROL MODULE - GENERATOR DISABLED
DTC P1A0E  HYBRID POWERTRAIN CONTROL MODULE - MOTOR DISABLED
DTC P1A0F  HYBRID POWERTRAIN CONTROL MODULE - VEHICLE DISABLED
DTC P1A10  HYBRID POWERTRAIN CONTROL MODULE - BATTERY DISABLED
DTC P1A13  HYBRID POWERTRAIN CONTROL MODULE - REGENERATIVE BRAKING DISABLED.
DTC P1A14  HYBRID POWERTRAIN CONTROL MODULE - TRANSMISSION DISABLED
DTC P2100  THROTTLE ACTUATOR CONTROL (TAC) MOTOR CIRCUIT/OPEN
DTC P2101  THROTTLE ACTUATOR CONTROL (TAC) MOTOR RANGE/PERFORMANCE
DTC P2104  THROTTLE ACTUATOR CONTROL (TAC) SYSTEM - FORCED IDLE
DTC P2105  THROTTLE ACTUATOR CONTROL (TAC) SYSTEM - FORCED ENGINE SHUTDOWN
DTC P2107  THROTTLE ACTUATOR CONTROL (TAC) MODULE PROCESSOR
DTC P2110  THROTTLE ACTUATOR CONTROL (TAC) SYSTEM - FORCED LIMITED RPM
DTC P2111  THROTTLE ACTUATOR CONTROL (TAC) SYSTEM - STUCK OPEN
DTC P2112  THROTTLE ACTUATOR CONTROL (TAC) SYSTEM - STUCK CLOSED
DTC P2121  THROTTLE/PEDAL POSITION SENSOR/SWITCH D CIRCUIT RANGE/PERFORMANCE
DTC P2122  THROTTLE/PEDAL POSITION SENSOR/SWITCH D CIRCUIT LOW
DTC P2123  THROTTLE/PEDAL POSITION SENSOR/SWITCH D CIRCUIT HIGH
DTC P2126  THROTTLE/PEDAL POSITION SENSOR/SWITCH E CIRCUIT RANGE/PERFORMANCE
DTC P2127  THROTTLE/PEDAL POSITION SENSOR/SWITCH E CIRCUIT LOW
DTC P2128  THROTTLE/PEDAL POSITION SENSOR/SWITCH E CIRCUIT HIGH
DTC P2131  THROTTLE/PEDAL POSITION SENSOR/SWITCH F CIRCUIT RANGE/PERFORMANCE
DTC P2132  THROTTLE/PEDAL POSITION SENSOR/SWITCH F CIRCUIT LOW
DTC P2133  THROTTLE/PEDAL POSITION SENSOR/SWITCH F CIRCUIT HIGH
DTC P2135  THROTTLE/PEDAL POSITION SENSOR/SWITCH A/B VOLTAGE CORRELATION
DTC P2195  O2 SENSOR SIGNAL BIASED/STUCK LEAN - BANK 1, SENSOR 1
DTC P2196  O2 SENSOR SIGNAL BIASED/STUCK RICH - BANK 1, SENSOR 1
DTC P2270  O2 SENSOR SIGNAL STUCK LEAN - BANK 1, SENSOR 2
DTC P2271  O2 SENSOR SIGNAL STUCK RICH - BANK 1, SENSOR 2
DTC P2279  INTAKE AIR SYSTEM LEAK
DTC P2418  EVAPORATIVE EMISSION CONTROL SYSTEM SWITCHING VALVE CONTROL CIRCUIT/OPEN
DTC P2450  EVAPORATIVE EMISSION CONTROL SYSTEM SWITCHING VALVE PERFORMANCE OR STUCK OPEN
DTC P2515  A/C REFRIGERANT PRESSURE SENSOR B CIRCUIT
DTC P2521  A/C REQUEST A CIRCUIT HIGH
DTC P2524  A/C REQUEST B CIRCUIT HIGH
DTC P2531  IGNITION SWITCH RUN POSITION CIRCUIT LOW
DTC P2533  IGNITION SWITCH RUN/START POSITION CIRCUIT
DTC P2535  IGNITION SWITCH RUN/START POSITION CIRCUIT HIGH
DTC P2600  COOLANT PUMP CONTROL CIRCUIT / OPEN
DTC P2611  A/C REFRIGERANT DISTRIBUTION VALVE CONTROL CIRCUIT/OPEN
DTC P2612  A/C REFRIGERANT DISTRIBUTION VALVE CONTROL CIRCUIT LOW
DTC P2613  A/C REFRIGERANT DISTRIBUTION VALVE CONTROL CIRCUIT HIGH
DTC P2800  TRANSMISSION RANGE SENSOR B CIRCUIT (PRNDL INPUT)
DTC P2801  TRANSMISSION RANGE SENSOR B CIRCUIT RANGE/PERFORMANCE
DTC P2802  TRANSMISSION RANGE SENSOR B CIRCUIT LOW
DTC P2803  TRANSMISSION RANGE SENSOR B CIRCUIT HIGH
DTC P2805  TRANSMISSION RANGE SENSOR A/B CORRELATION
DTC P2806 (PCM)  TRANSMISSION RANGE SENSOR ALIGNMENT
DTC P2806 (TCM)  TRANSMISSION RANGE SENSOR ALIGNMENT
DTC PXXXX   
DTC U0001  HIGH SPEED CAN COMMUNICATION BUS
DTC U0073  CONTROL MODULE COMMUNICATION BUS A OFF
DTC U0100 (TBCM)  LOST COMMUNICATION WITH ECM/PCM
DTC U0100 (TCM)  LOST COMMUNICATION WITH ECM/PCM
DTC U0101 (TBCM)  LOST COMMUNICATION WITH THE TCM
DTC U0101 (PCM)  LOST COMMUNICATION WITH TRANSAXLE CONTROL MODULE (TCM)
DTC U0111 (PCM)  LOST COMMUNICATION WITH BATTERY ENERGY CONTROL MODULE (BCM)
DTC U0111 (TCM)  LOST COMMUNICATION WITH TRACTION BATTERY CONTROL MODULE A
DTC U0129 (PCM)  LOST COMMUNICATIONS WITH BRAKE SYSTEM CONTROL MODULE
DTC U0129 (TCM)  LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE
DTC U0155  LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IC) CONTROL MODULE
DTC U0294  LOST COMMUNICATION WITH POWERTRAIN CONTROL MONITOR MODULE
DTC U0300 (TBCM)  INTERNAL CONTROL MODULE SOFTWARE INCOMPATIBILITY
DTC U0300 (PCM)  INTERNAL CONTROL MODULE SOFTWARE INCOMPATIBILITY
DTC U0401  INVALID DATA RECEIVED FROM ECM/PCM A
DTC U0402  INVALID DATA RECEIVED FROM TCM
DTC U0418  INVALID DATA RECEIVED FROM BRAKE SYSTEM CONTROL MODULE
DTC U1900  CONTROLLER AREA NETWORK (CAN) COMMUNICATION BUS FAULT - RECEIVE ERROR
DTC U2050  NO APPLICATION PRESENT
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.