SAE U0xxx-DTCs

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2005 Volkswagen GTI, 2004 Volkswagen R32, 2004 Volkswagen Jetta, 2004 Volkswagen GTI, and 2003 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

Network, electrical

SAE- DTC	DTC text	Corrective action
U0001	High Speed CAN Communication Bus	Check terminal resistance for CAN-Bus. Refer to Terminal resistance for CAN-Bus, checking

Network, communication

SAE- DTC	DTC text	Corrective action
U0100	Lost Communication With ECM/PCM "A"	Check terminal resistance for CAN-Bus. Refer to Terminal resistance for CAN-Bus, checking
U0101	Lost Communication with TCM
U0103	Lost Communication With Gear Shift Module
U0121	Lost Communication With Anti-Lock Brake System (ABS) Control Module
U0155	Lost Communication With Instrument Panel Cluster (IPC) Control Module

Network, software

SAE- DTC	DTC text	Corrective action
U0302	Software Incompatibility with Transmission Control Module	Code Transmission Control Module (TCM) -J217-: Refer to Diagnostic tester VAS 5051; Guided Fault Finding; Vehicle system test or VAS 5052; Vehicle Self-Diagnosis
U0315	Software Incompatibility with Anti-Lock Brake System Control Module	Code ABS Control Module -J104-: Refer to Diagnostic tester VAS 5051; Guided Fault Finding; Vehicle system test or VAS 5052; Vehicle Self-Diagnosis

Network, data

SAE- DTC	DTC text	Corrective action
U0402	Invalid Data Received From Transmission Control Module	Check terminal resistance for CAN-Bus. Refer to Terminal resistance for CAN-Bus, checking
U0404	Invalid Data Received From Gear Shift Control Module
U0415	Invalid Data Received From Anti-Lock Brake System Control Module