Diagnostic Trouble Code (DTC) Charts And Descriptions

2005 Ford Crown Victoria Special EditionSECTION Diagnostic Trouble Code (DTC) Charts And Descriptions
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to the applicable service information article to diagnose the body and chassis DTCs.
DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONS

DTC Description
DTC C1218  ABS WARNING INDICATOR OUTPUT CIRCUIT FAILURE
DTC C1222  SPEED WHEEL MISMATCH
DTC P0053  HO2S HEATER RESISTANCE (BANK 1, SENSOR 1)
DTC P0054  HO2S HEATER RESISTANCE (BANK 1, SENSOR 2)
DTC P0068  THROTTLE POSITION (TP) SENSOR INCONSISTENT WITH MANIFOLD ABSOLUTE PRESSURE (MAP) AND MASS AIR FLOW (MAF) SENSORS
DTC P0087  FUEL RAIL/SYSTEM PRESSURE - TOO LOW
DTC P0102  MASS OR VOLUME AIR FLOW 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 FAILURE
DTC P0119  ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1 CIRCUIT INTERMITTENT/ERRATIC
DTC P0121  ETC THROTTLE POSITION (TP1) SENSOR CIRCUIT RANGE/PERFORMANCE
DTC P0122  ETC THROTTLE POSITION (TP1) SENSOR CIRCUIT LOW INPUT
DTC P0123  ETC THROTTLE POSITION (TP1) SENSOR CIRCUIT HIGH INPUT
DTC P0128  COOLANT THERMOSTAT (COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEMPERATURE)
DTC P0132  HO2S SENSOR CIRCUIT HIGH VOLTAGE (HO2S-11)
DTC P0133  HO2S SENSOR CIRCUIT SLOW RESPONSE (HO2S-11)
DTC P0135  HO2S SENSOR CIRCUIT MALFUNCTION (HO2S-11)
DTC P0138  HO2S CIRCUIT HIGH VOLTAGE (HO2S-12)
DTC P0141  HO2S CIRCUIT MALFUNCTION (HO2S-12)
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 INPUT
DTC P0183  FUEL TEMPERATURE SENSOR A CIRCUIT HIGH INPUT
DTC P0190  FUEL RAIL PRESSURE (FRP) SENSOR CIRCUIT MALFUNCTION
DTC P0191  FUEL RAIL PRESSURE (FRP) SENSOR CIRCUIT PERFORMANCE
DTC P0192  FUEL RAIL PRESSURE (FRP) SENSOR CIRCUIT LOW INPUT
DTC P0193  FUEL RAIL PRESSURE (FRP) SENSOR CIRCUIT HIGH INPUT
DTC P0201  CYLINDER NO. 1 INJECTOR CIRCUITS
DTC P0202  CYLINDER NO. 2 INJECTOR CIRCUITS
DTC P0203  CYLINDER NO. 3 INJECTOR CIRCUITS
DTC P0204  CYLINDER NO. 4 INJECTOR CIRCUITS
DTC P0221  THROTTLE POSITION (TP2) SENSOR CIRCUIT RANGE/PERFORMANCE
DTC P0222  THROTTLE POSITION (TP2) SENSOR CIRCUIT LOW INPUT
DTC P0223  THROTTLE POSITION (TP2) SENSOR CIRCUIT HIGH INPUT
DTC P0300  RANDOM MISFIRE
DTC P0301  MISFIRE DETECTION MONITOR
DTC P0302  MISFIRE DETECTION MONITOR
DTC P0303  MISFIRE DETECTION MONITOR
DTC P0304  MISFIRE DETECTION MONITOR
DTC P0315  PCM UNABLE TO LEARN CRANKSHAFT PULSE WHEEL TOOTH SPACING (EXCEEDED ALLOWABLE CORRECTION TOLERANCES)
DTC P0316  MISFIRE OCCURRED IN FIRST 1,000 ENGINE REVOLUTIONS
DTC P0320  IGNITION ENGINE SPEED INPUT CIRCUIT MALFUNCTION
DTC P0325  KNOCK SENSOR 1 CIRCUIT MALFUNCTION (BANK 1)
DTC P0340  CAMSHAFT POSITION (CMP) SENSOR CIRCUIT MALFUNCTION
DTC P0351  IGNITION COIL A PRIMARY/SECONDARY CIRCUIT MALFUNCTION
DTC P0352  IGNITION COIL B PRIMARY/SECONDARY CIRCUIT MALFUNCTION
DTC P0353  IGNITION COIL C PRIMARY/SECONDARY CIRCUIT MALFUNCTION
DTC P0354  IGNITION COIL D PRIMARY/SECONDARY CIRCUIT MALFUNCTION
DTC P0400  EGR FLOW FAILURE (OUTSIDE MINIMUM OR MAXIMUM LIMITS)
DTC P0403  EEGR ELECTRIC MOTOR WINDINGS OR CIRCUITS TO PCM SHORTED OR OPEN
DTC P0420  CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD (BANK 1)
DTC P0442  EVAP CONTROL SYSTEM LEAK DETECTED (SMALL LEAK)
DTC P0443  EVAP CONTROL SYSTEM CANISTER PURGE VALVE CIRCUIT MALFUNCTION
DTC P0446  EVAP CONTROL SYSTEM CANISTER VENT SOLENOID CIRCUIT MALFUNCTION
DTC P0452  FTP SENSOR CIRCUIT LOW VOLTAGE DETECTED
DTC P0453  FTP SENSOR CIRCUIT HIGH VOLTAGE DETECTED
DTC P0454  FTP SENSOR CIRCUIT NOISY
DTC P0455  EVAP CONTROL SYSTEM LEAK DETECTED (NO PURGE FLOW OR LARGE LEAK)
DTC P0456  EVAP CONTROL SYSTEM LEAK DETECTED (VERY SMALL LEAK)
DTC P0457  EVAP CONTROL SYSTEM LEAK DETECTED (FUEL FILLER CAP LOOSE/OFF)
DTC P0460  FUEL LEVEL SENSOR CIRCUIT MALFUNCTION
DTC P0461  FUEL LEVEL SENSOR CIRCUIT RANGE/PERFORMANCE
DTC P0462  FUEL LEVEL SENSOR CIRCUIT LOW INPUT
DTC P0463  FUEL LEVEL SENSOR CIRCUIT HIGH INPUT
DTC P0480  LOW FAN CONTROL (LFC) PRIMARY CIRCUIT FAILURE (ALSO REFERRED TO AS FC1 CIRCUIT)
DTC P0481  HIGH FAN CONTROL (HFC) PRIMARY CIRCUIT FAILURE
DTC P0482  MEDIUM FAN CONTROL (MFC) PRIMARY CIRCUIT FAILURE
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 INPUT
DTC P0538  A/C EVAPORATOR TEMPERATURE (ACET) CIRCUIT HIGH INPUT
DTC P0562  (PCM) SYSTEM VOLTAGE LOW
DTC P0562  (TCM) TRANSMISSION CONTROL MODULE (TCM) SYSTEM VOLTAGE LOW
DTC P0563  (PCM) SYSTEM VOLTAGE HIGH
DTC P0563  (TCM) TRANSMISSION CONTROL MODULE (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  CONTROL MODULE PROGRAMMING ERROR
DTC P0603  INTERNAL CONTROL MODULE KEEP ALIVE MEMORY (KAM) ERROR
DTC P0605  POWERTRAIN CONTROL MODULE READ ONLY MEMORY (ROM) ERROR
DTC P0606  POWERTRAIN CONTROL MODULE INTERNAL COMMUNICATION ERROR
DTC P0613  TRANSAXLE CONTROL MODULE (TCM) SYSTEM FAULT
DTC P0645  A/C CLUTCH RELAY (A/CCR) PRIMARY CIRCUIT MALFUNCTION (ALSO REFERRED TO AS WAC CIRCUIT)
DTC P0685  POWER SUSTAIN RELAY (PSR) PRIMARY CIRCUIT MALFUNCTION
DTC P0700  TRANSMISSION CONTROL SYSTEM (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 RELAY (MECP) PRIMARY CIRCUIT MALFUNCTION
DTC P0A08  DC/DC CONVERTER FAULT (DCF) CIRCUIT OPEN
DTC P0A09  DC/DC CONVERTER FAULT (DCF) CIRCUIT LOW
DTC P0A0A  (TBCM) HIGH VOLTAGE SYSTEM INTERLOCK CIRCUIT
DTC P0A0A  (TCM) HIGH VOLTAGE SYSTEM INTERLOCK CIRCUIT
DTC P0A10  DC/DC CONVERTER FAULT (DCF) 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) TRACTION BATTERY CONTROL MODULE
DTC P0A1F  (PCM) TRACTION BATTERY 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 ELECTRONICS COOLANT TEMPERATURE (MECT) - 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 PACK AIR TEMPERATURE SENSOR 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 CIRCUIT / OPEN
DTC P0AC0  HYBRID BATTERY PACK CURRENT SENSOR CIRCUIT RANGE / PERFORMANCE
DTC P0AE1  HYBRID BATTERY PRECHARGE CONTACTOR CIRCUIT
DTC P1000  OBD SYSTEMS READINESS TEST NOT COMPLETE
DTC P1001  KOER NOT ABLE TO COMPLETE, KOER ABORTED
DTC P1101  MASS AIR FLOW (MAF) SENSOR OUT OF SELF-TEST RANGE
DTC P1127  EXHAUST NOT WARM ENOUGH, DOWNSTREAM SENSOR NOT TESTED
DTC P1145  (PCM) CALCULATED TORQUE ERROR
DTC P1145  (TCM) CALCULATED TORQUE ERROR
DTC P1233  FUEL SYSTEM DISABLED OR OFFLINE
DTC P1235  FUEL PUMP CONTROL OUT OF RANGE
DTC P1237  FUEL PUMP SECONDARY CIRCUIT MALFUNCTION
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 INPUT
DTC P1290  CYLINDER HEAD TEMPERATURE (CHT) SENSOR CIRCUIT LOW INPUT
DTC P1299  CYLINDER HEAD OVER TEMPERATURE PROTECTION ACTIVE
DTC P1397  SYSTEM VOLTAGE OUT OF SELF - TEST RANGE
DTC P1408  EGR FLOW OUT OF SELF-TEST RANGE (NON-MIL)
DTC P1450  UNABLE TO BLEED UP FUEL TANK VACUUM
DTC P1459  A/C RECIRCULATION SWITCH (A/CRSW) 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 RATIO OUT OF ACCEPTABLE RANGE
DTC P1635  (TCM) TIRE/AXLE OUT OF ACCEPTABLE RANGE
DTC P1639  VEHICLE ID BLOCK NOT PROGRAMMED OR IS CORRUPT
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 - DRIVE 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 P2004  INTAKE MANIFOLD RUNNER CONTROL (IMRC) STUCK OPEN (BANK 1)
DTC P2006  INTAKE MANIFOLD RUNNER CONTROL (IMRC) STUCK CLOSED (BANK 1)
DTC P2008  INTAKE MANIFOLD RUNNER CONTROL (IMRC) CIRCUIT OPEN (BANK 1)
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) MOTOR 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  ACCELERATOR PEDAL POSITION (APP) SENSOR CIRCUIT 1 RANGE/PERFORMANCE
DTC P2122  ACCELERATOR PEDAL POSITION (APP) SENSOR CIRCUIT 1 LOW INPUT
DTC P2123  ACCELERATOR PEDAL POSITION (APP) SENSOR CIRCUIT 1 HIGH INPUT
DTC P2126  ACCELERATOR PEDAL POSITION (APP) SENSOR CIRCUIT 2 RANGE/PERFORMANCE
DTC P2127  ACCELERATOR PEDAL POSITION (APP) SENSOR CIRCUIT 2 LOW INPUT
DTC P2128  ACCELERATOR PEDAL POSITION (APP) SENSOR CIRCUIT 2 HIGH INPUT
DTC P2131  ACCELERATOR PEDAL POSITION (APP) SENSOR CIRCUIT 3 RANGE/PERFORMANCE
DTC P2132  ACCELERATOR PEDAL POSITION (APP) SENSOR CIRCUIT 3 LOW INPUT
DTC P2133  ACCELERATOR PEDAL POSITION (APP) SENSOR CIRCUIT 3 HIGH INPUT
DTC P2135  ETC THROTTLE POSITION (TP) SENSOR A/B VOLTAGE CORRELATION
DTC P2195  LACK OF HO2S-11 SWITCH, SENSOR INDICATES LEAN
DTC P2196  LACK OF HO2S-11 SWITCH, SENSOR INDICATES RICH
DTC P2270  LACK OF HO2S-12 SWITCH, SENSOR INDICATES LEAN
DTC P2271  LACK OF HO2S-12 SWITCH, SENSOR INDICATES RICH
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 PRESSURE SWITCH (A/CPSW) INPUT HIGH
DTC P2521  A/C REQUEST A CIRCUIT HIGH
DTC P2524  A/C REQUEST B CIRCUIT HIGH
DTC P2531  IGNITION RUN CIRCUIT LOW
DTC P2533  IGNITION SWITCH RUN/START POSITION CIRCUIT
DTC P2535  IGNITION RUN/START CIRCUIT HIGH
DTC P2600  HEATER PUMP CONTROL RELAY (HPCR) PRIMARY CIRCUIT MALFUNCTION
DTC P2611  A/C REFRIGERANT DISTRIBUTION VALVE (ACRDV) CIRCUIT FAULT
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 CIRCUIT
DTC P2801  TRANSMISSION RANGE SENSOR CIRCUIT RANGE/PERFORMANCE
DTC P2802  TRANSMISSION RANGE SENSOR CIRCUIT LOW INPUT
DTC P2803  TRANSMISSION RANGE SENSOR CIRCUIT HIGH INPUT
DTC P2805  TRANSMISSION RANGE SENSOR CORRELATION
DTC P2806  (PCM) TRANSMISSION RANGE SENSOR ALIGNMENT
DTC P2806  (TCM) TRANSMISSION RANGE SENSOR ALIGNMENT
DTC U0001  HIGH SPEED CAN COMMUNICATION BUS
DTC U0073  CONTROL MODULE COMMUNICATION BUS OFF
DTC U0100  (TBCM) LOST COMMUNICATION WITH ECM/PCM A
DTC U0100  (TCM) LOST COMMUNICATION WITH ECM/PCM A
DTC U0101  (TBCM) LOST COMMUNICATION WITH TCM
DTC U0101  (PCM) LOST COMMUNICATION WITH TCM
DTC U0111  (PCM) LOST COMMUNICATION WITH TRACTION BATTERY CONTROL MODULE A
DTC U0111  (TCM) LOST COMMUNICATION WITH TRACTION BATTERY CONTROL MODULE A
DTC U0129  (PCM) LOST COMMUNICATION WITH ANTI-LOCK BRAKE SYSTEM CONTROL MODULE
DTC U0129  (TCM) LOST COMMUNICATION WITH ANTI-LOCK BRAKE SYSTEM CONTROL MODULE
DTC U0155  LOST COMMUNICATION WITH INSTRUMENT CLUSTER CONTROL MODULE
DTC U0294  LOST COMMUNICATION WITH POWERTRAIN CONTROL MONITOR (E-QUIZZER) MODULE
DTC U0300  (TBCM) SOFTWARE INCOMPATIBILITY WITH ECM
DTC U0300  (PCM) INTERNAL CONTROL MODULE SOFTWARE INCOMPATIBILITY
DTC U0401  INVALID DATA RECEIVED FROM PCM
DTC U0402  INVALID DATA RECEIVED FROM TCM
DTC U0418  INVALID DATA RECEIVED FROM ANTI-LOCK BRAKE SYSTEM CONTROL MODULE
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.