ELECTRONIC CONTROL MODULES DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC	Description
B2215	FRONT CONTROL MODULE INTERNAL
U0001	CAN C BUS CIRCUIT
U0019	CAN B BUS
U0021	CAN B BUS (+) CIRCUIT OPEN
U0022	CAN B BUS (+) CIRCUIT LOW
U0023	CAN B BUS (+) CIRCUIT HIGH
U0024	CAN B BUS (-) CIRCUIT OPEN
U0025	CAN B BUS (-) CIRCUIT LOW
U0026	CAN B BUS (-) CIRCUIT HIGH
U0027	CAN B BUS (-) SHORTED TO BUS (+)
U0100	LOST COMMUNICATION WITH ECM/PCM
U0101	LOST COMMUNICATION WITH TCM
U0114	LOST COMMUNICATION WITH ALL WHEEL DRIVE CONTROL MODULE
U0121	LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE
U0126	LOST COMMUNICATION WITH STEERING ANGLE SENSOR (SAS)
U0141	LOST COMMUNICATION WITH FRONT CONTROL MODULE (TIPM)
U0151	LOST COMMUNICATION WITH OCCUPANT RESTRAINT CONTROLLER (ORC)
U0154	LOST COMMUNICATION WITH OCCUPANT CLASSIFICATION MODULE
U0155	LOST COMMUNICATION WITH CLUSTER/CCN
U0167	LOST COMMUNICATION WITH INTRUSION TRANSCEIVER CONTROL MODULE
U0168	LOST COMMUNICATION WITH VEHICLE SECURITY CONTROL MODULE (SKREEM/WCM)
U0184	LOST COMMUNICATION WITH RADIO
U0186	LOST COMMUNICATION WITH AUDIO AMPLIFIER
U0193	LOST COMMUNICATION WITH TRAFFIC INFORMATION RECEIVER MODULE
U0195	LOST COMMUNICATION WITH SDARS
U0197	LOST COMMUNICATION WITH HANDS FREE PHONE MODULE
U1105	CAN B SIGNAL MISSING
U1106	CAN C SIGNAL MISSING
U1107	ECU IN SINGLE-WIRE MODE
U1108	ADDITIONAL CAN B ECU DETECTED

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.

Safety Warning

Electronic Control Modules DTCS