Communication DTCS (U Codes)

COMMUNICATION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) DESCRIPTION

DTC	Description	Source	Action
U1009	SCP (J1850) Bus Invalid or Missing Data for Engine Torque	4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module	REFER to ANTI-LOCK CONTROL or ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY ASSIST article.
U1016	SCP Invalid Data	Navigation System Module	REFER to NAVIGATION SYSTEM article.
U1027	SCP (J1850) Bus Invalid or Missing Data for Engine RPM	4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module	REFER to ANTI-LOCK CONTROL or ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY ASSIST article.
U1041	SCP (J1850) Invalid Or Missing Data For Vehicle Speed	Instrument Cluster	REFER to INSTRUMENT CLUSTER article.
U1041	SCP (J1850) Invalid Or Missing Data For Vehicle Speed	Tire Pressure Monitoring System Module	REFER to WHEELS & TIRES article.
U1059	SCP (J1850) Invalid or Missing Data for Transmission/Transaxle/PRNDL	Instrument Cluster	REFER to INSTRUMENT CLUSTER article.
U1059	SCP (J1850) Invalid or Missing Data for Transmission/Transaxle/PRNDL	Stability Assist Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY ASSIST article.
U1073	SCP (J1850) Invalid or Missing Data for Engine Coolant	Instrument Cluster	REFER to INSTRUMENT CLUSTER article.
U1073	SCP (J1850) Invalid or Missing Data for Engine Coolant	Stability Assist Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY ASSIST article.
U1075	SCP (J1850) Invalid or Missing Data for Engine Oil Fluid Temperature	Instrument Cluster	REFER to INSTRUMENT CLUSTER article.
U1123	SCP (J1850) Invalid or Missing Data for Odometer	Instrument Cluster	REFER to INSTRUMENT CLUSTER article.
U1262	SCP Communication Bus Fault	Instrument Cluster	REFER to MODULE COMMUNICATIONS NETWORK article.
U1262	SCP Communication Bus Fault	4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module to Stability Assist Module	REFER to MODULE COMMUNICATIONS NETWORK article.
U1900	CAN Communication Bus Fault	4WD Control Module	REFER to FOUR WHEEL DRIVE SYSTEMS article.
U1900	CAN Communication Bus Fault-Recieve Error	Stability Assist Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY ASSIST article.
U1901	Communication Fault from Sensor Cluster	Stability Assist Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY ASSIST article.
U1950	UBP Communication Bus Fault	Air Suspension Control Module	REFER to MODULE COMMUNICATIONS NETWORK article.
U1950	UBP Communication Bus Fault	DSM	REFER to MODULE COMMUNICATIONS NETWORK article.
U1950	UBP Communication Bus Fault	EATC Module	REFER to MODULE COMMUNICATIONS NETWORK article.
U1950	UBP Communication Bus Fault	Instrument Cluster	REFER to MODULE COMMUNICATIONS NETWORK article.
U1950	UBP Communication Bus Fault	4WD Control Module	REFER to MODULE COMMUNICATIONS NETWORK article.
U2003	Audio Compact Disc/Disc Jockey Is Not Responding	Navigation System Module	REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION article.
U2005	Audio Rear Seat Controller (RSC) Unit Is Not Responding	Navigation System Module	REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION article.
U2013	Compass Module Not Responding	Instrument Cluster	REFER to INFORMATION AND MESSAGE CENTER article.
U2023	Fault Received From External Node	4WD Control Module	REFER to FOUR WHEEL DRIVE SYSTEMS article.
U2026	Family Entertainment System is Not Responding	Navigation System Module	REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION article.
U2226	UBP Invalid Data From Node ID $10	4WD Control Module	REFER to FOUR WHEEL DRIVE SYSTEMS article.
U2235	UBP Invalid Data From Node ID $19	Air Suspension Control Module	REFER to VEHICLE DYNAMIC - 4 WHEEL article.
U2235	UBP Invalid Data From Node ID $19	EATC Module	REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION article.
U2235	UBP Invalid Data From Node ID $19	Instrument Cluster	REFER to INSTRUMENT CLUSTER article.
U2306	UBP Invalid Node 60	Air Suspension Control Module	REFER to VEHICLE DYNAMIC - 4 WHEEL article.
U2306	UBP Invalid Node 60	4WD Control Module	REFER to FOUR WHEEL DRIVE SYSTEMS article.
U2306	UBP Invalid Node 60	DSM	REFER to SEATING article.
U2306	UBP Invalid Node 60	EATC Module	REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION article.
U2338	UBP Invalid Data From Node ID $80	EATC Module	REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION article.
U2362	UBP Invalid Data From Node ID $98	Instrument Cluster	REFER to INSTRUMENT CLUSTER article.