Sae U0XXX Diagnostic Trouble Codes

For additional monitor strategy information.

Network, electrical

DTC	Error Message	Diagnostic Procedure	Malfunction Criteria and Threshold Value	Secondary Parameters with Enable Conditions	Monitoring Time Length	Frequency of checks, MIL, Illumination
U0001	High Speed CAN Communication Bus	-- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .	Short to Battery + Short to Ground (GND) Core Connection	---	0.5 Sec	Continuous 2 DCY
U0100	Lost Communication with ECM/PCM	-- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .	Failure of all CAN engine messages, Time out more than 490 ms Failure of all CAN engine messages but not all CAN messages, Time out more than 1010 ms	No bus off error No error failure of all CAN messages No error failure of all CAN engine messages Terminal 15 Voltage, > 9 V for more than 500 ms > 500 ms after reset	1 Sec	Continuous 2 DCY
U0101	Communication with TCM	-- Transmission Control Module J217 CAN-Bus Terminal Resistance, Refer to TRANSMISSION CONTROL MODULE CAN-BUS TERMINAL RESISTANCE, CHECKING .	Not Active >5 seconds	---	2 Sec	Continuous 2 DCY
U0155	Control Module for instrument panel insert, No communication	-- Transmission Control Module J217 CAN-Bus Terminal Resistance, Refer to TRANSMISSION CONTROL MODULE CAN-BUS TERMINAL RESISTANCE, CHECKING .	No or unexpected information	---	0.5 Sec	Continuous 2 DCY
U0302	Software Incompatibility with Transmission Control Module	-- Transmission Control Module J217 CAN-Bus Terminal Resistance, Refer to TRANSMISSION CONTROL MODULE CAN-BUS TERMINAL RESISTANCE, CHECKING .	AT vehicle ECM coded as MT vehicle	-	2 seconds	Continuous 2 DCY
U0402	Invalid Data Received from Transmission Control Module	-- Check the CAN-Bus terminal resistance, Refer to TRANSMISSION CONTROL MODULE CAN-BUS TERMINAL RESISTANCE, CHECKING .	Invalid Information	---	2 seconds	Continuous 2 DCY
U0302	Software Incompatibility with Transmission Control Module	-- Transmission Control Module J217 CAN-Bus Terminal Resistance, Refer to TRANSMISSION CONTROL MODULE CAN-BUS TERMINAL RESISTANCE, CHECKING .	AT vehicle ECM coded as MT vehicle	---	2 Sec	Continuous 2 DCY
U0402	Invalid Data Received from Transmission Control Module	-- Transmission Control Module J217 CAN-Bus Terminal Resistance, Refer to TRANSMISSION CONTROL MODULE CAN-BUS TERMINAL RESISTANCE, CHECKING .	Invalid Information	---	2 Sec	Continuous 2 DCY