Module Communications Network DTCS

COMMUNICATION NETWORK DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC	Description	Source	Action
U0073	Control Module Communication Bus A Off	ABS module Vehicle Dynamics Module (VDM)	The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool.
U0100	Lost Communication With ECM /PCM	ABS module VDM	CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST A .
U0155	Lost Communication With Instrument Panel Cluster (IC) Control Module	VDM	CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST C .
U1041	SCP (J1850) Invalid or Missing Data for Vehicle Speed	Driver Door Module (DDM) Lighting Control Module (LCM)	RETRIEVE and FOLLOW non-network DTCs in the PCM.
U1059	SCP (J1850) Invalid or Missing Data for Transmission / Transaxle / PRNDL	DDM LCM	RETRIEVE and FOLLOW non-network DTCs in the PCM.
U1073	SCP (J1850) Invalid or Missing Data for Engine Coolant	HVAC module	RETRIEVE and FOLLOW non-network DTCs in the PCM.
U1135	SCP (J1850) Invalid or Missing Data for Ignition Switch / Starter	DDM	RETRIEVE and FOLLOW non-network DTCs in the LCM.
U1197	SCP (J1850) Invalid or Missing Data for Door Locks	LCM	RETRIEVE and FOLLOW non-network DTCs in the DDM.
U1199	SCP (J1850) Invalid or Missing Data for External Access (Doors)	LCM	RETRIEVE and FOLLOW non-network DTCs in the DDM.
U1262	SCP Communication Bus Fault	Instrument Cluster (IC)	For the module that failed the network test, GO to SYMPTOM CHART .
U1900	CAN Communication Bus Fault - Receive Error	Fire Suppression System Module (FSSM) IC	For the module that failed the network test, GO to SYMPTOM CHART .
U2011	Module Transmitted Invalid Data (Non SCP)	VDM	Invalid air suspension operating state data was transmitted. RETRIEVE and FOLLOW non-network DTCs in the DDM.
U2023	Fault Received From External Node	IC	RETRIEVE and FOLLOW non-network DTCs from other modules.