Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Jeep >> 2021 >> Grand Cherokee L Laredo, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> (Drivetrain Control Module (DTCM) - Electrical Diagnostics) >> Diagnostic Code Index

Diagnostic Code Index

DIAGNOSTIC CODE INDEX

DTC Description
C05E5-00  4WD/AWD CLUTCH A POSITION NOT LEARNED-
C1403-11  TRANSFER CASE RANGE POSITION SENSOR-CIRCUIT SHORT TO GROUND
C1403-12  TRANSFER CASE RANGE POSITION SENSOR-CIRCUIT SHORT TO BATTERY
C1403-13  TRANSFER CASE RANGE POSITION SENSOR-CIRCUIT OPEN
C1403-29  TRANSFER CASE RANGE POSITION SENSOR-SIGNAL INVALID
C1403-62  TRANSFER CASE RANGE POSITION SENSOR-SIGNAL COMPARE FAILURE
C140A-71  TRANSFER CASE MOTOR CONTROL-ACTUATOR STUCK
C140E-00  TRANSFER CASE MOTOR BLOCKED-
C140F-61  TRANSFER CASE RANGE POSITION SENSOR ERRATIC PERFORMANCE-SIGNAL CALCULATION FAILURE
C1438-07  TRANSFER CASE DIFFERENTIAL CLUTCH WORN-MECHANICAL FAILURES
C1455-16  AWD CLUTCH POWER CONTROL-CIRCUIT VOLTAGE BELOW THRESHOLD
C1455-17  AWD CLUTCH POWER CONTROL-CIRCUIT VOLTAGE ABOVE THRESHOLD
C1463-92  FRONT AXLE DISCONNECT CONTROL-PERFORMANCE OR INCORRECT OPERATION
C1463-94  FRONT AXLE DISCONNECT CONTROL-UNEXPECTED OPERATION
C1464-11  FRONT AXLE DISCONNECT CONTROL CIRCUIT LOW-CIRCUIT SHORT TO GROUND
C1465-12  FRONT AXLE DISCONNECT CONTROL CIRCUIT HIGH-CIRCUIT SHORT TO BATTERY
C1466-13  FRONT AXLE DISCONNECT CONTROL CIRCUIT OPEN-CIRCUIT OPEN
C146A-13  FRONT AXLE DISCONNECT RETURN CONTROL CIRCUIT OPEN-CIRCUIT OPEN
C1472-92  TRANSFER CASE CLUTCH CONTROL-PERFORMANCE OR INCORRECT OPERATION
C1477-98  TRANSFER CASE CLUTCH-COMPONENT OR SYSTEM OVER TEMPERATURE
C149D-06  CLUTCH CALIBRATION NOT LEARNED-ALGORITHM BASED FAILURES
C149D-54  CLUTCH CALIBRATION NOT LEARNED-MISSING CALIBRATION
C149D-55  CLUTCH CALIBRATION NOT LEARNED-NOT CONFIGURED
C14A1-74  UNINTENDED ACTUATOR SHAFT MOVEMENT DETECTED-ACTUATOR SLIPPING
C14AA-56  TRANSFER CASE MOTOR POSITION SENSOR SUPPLY-INVALID - INCOMPATIBLE CONFIGURATION
C14AA-62  TRANSFER CASE MOTOR POSITION SENSOR SUPPLY-SIGNAL COMPARE FAILURE
C14AD-13  TRANSFER CASE RANGE POSITION SENSOR SUPPLY-CIRCUIT OPEN
C14AD-14  TRANSFER CASE RANGE POSITION SENSOR SUPPLY-CIRCUIT SHORT TO GROUND OR OPEN
C14AD-15  TRANSFER CASE RANGE POSITION SENSOR SUPPLY-CIRCUIT SHORT TO BATTERY OR OPEN
C2201-42  FDCM/DTCM INTERNAL-GENERAL MEMORY FAILURE
C2201-49  FDCM/DTCM INTERNAL-INTERNAL ELECTRONIC FAILURE
C2201-55  FDCM/DTCM INTERNAL-NOT CONFIGURED
C2203-00  CURRENT VIN MISSING-MISMATCH-
C2206-56  VEHICLE CONFIGURATION MISMATCH-INVALID - INCOMPATIBLE CONFIGURATION
C2210-4B  ECU OVER TEMPERATURE-OVER TEMPERATURE
U0100-87  LOST COMMUNICATION WITH ECM/PCM A-MISSING MESSAGE
U0101-87  LOST COMMUNICATION WITH TCM-MISSING MESSAGE
U0121-87  LOST COMMUNICATION WITH ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE A-MISSING MESSAGE
U0136-87  LOST COMMUNICATION WITH ELSD-MISSING MESSAGE
U0140-87  LOST COMMUNICATION WITH BODY CONTROL MODULE-MISSING MESSAGE
U0155-87  LOST COMMUNICATION WITH CLUSTER/CCN-MISSING MESSAGE
U0401-86  IMPLAUSIBLE DATA RECEIVED FROM ECM/PCM "A"-SIGNAL INVALID
U0402-86  IMPLAUSIBLE DATA RECEIVED FROM TCM-SIGNAL INVALID
U0415-86  INVALID DATA RECEIVED FROM ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE A-SIGNAL INVALID
U0422-86  IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE-SIGNAL INVALID
U0423-86  IMPLAUSIBLE DATA RECEIVED FROM CLUSTER/CCN-SIGNAL INVALID
U0437-86  IMPLAUSIBLE DATA RECEIVED FROM ELSD-SIGNAL INVALID
U102A-00  HIGH SPEED FD-CAN1 COMMUNICATION BUS-
U102A-88  HIGH SPEED FD-CAN1 COMMUNICATION BUS-BUS OFF
U102B-8F  HIGH SPEED FD-CAN1 COMMUNICATION BUS PERFORMANCE-ERRATIC
U1601-57  ECU APPLICATION SOFTWARE CODE 1 MISSING OR CORRUPTED-INVALID - INCOMPATIBLE SOFTWARE COMPONENT