Diagnostic trouble code list (DTC) - bus, data communication (U)

This master DTC list includes all applicable DTCs of type U in alphanumeric order with descriptors.

DTC	DTC Descriptor	Module That Sets the DTC	Diagnosis Procedure
U0001	High Speed CAN Bus	-	DTC U0001
U0002	High Speed CAN Bus	-	DTC U0002
U0020	Low Speed CAN Bus	-	DTC U0020
U0073	CAN Bus Communication	-	DTC U0073 or U2100
U0074	Control Module Communication Bus B Off	-	DTC U0074
U0074	Control Module Communication Bus B Off	-	DTC U0074
U0100 - U02FF	Control Module Communication Bus B Off	-	DTC U0100-U02FF
U0301	Software Incompatibility With Engine Control Module	-	DTC U0300-U0336
U0302	Software Incompatibility With Transmission Control Module	BCM	DTC U0300-U0336
U0315	Software Incompatibility with Electronic Brake Control Module	-	DTC U0300-U0336
U1814	Powertrain Wake Up Communication Circuit	BCM	DTC U1814
U18B9	Primary High Speed CAN Bus Subnet Configuration List	BCM	DTC U18B9-U18BF
U18BF	Secondary High Speed CAN Bus Subnet Configuration List	-	DTC U18B9-U18BF
U2099	High Speed Communication Enable Circuit	BCM	DTC U2099
U2100	CAN Bus Communication	-	DTC U0073 or U2100
U2101	CAN Bus Maximum Configuration List	-	DTC U2101
U2103	Fewer Controllers On Than Programmed	-	DTC U2103