OBD2 trouble code reference
8,155 codes across 2 prefix groups on this page.
U1xxx
- U1973 Lost Communication with the Hybrid Powertrain Control Module (HPCM) A network
- U1974 U1974: "Module Communication Failure network
- U1975 Control Module Communication Bus Off network
- U1976 Lost Communication with the Hybrid Powertrain Control Module (HPCM) A network
- U1977 Module Communication Fault network
- U1978 U1978: "Module Communication Failure network
- U1979 U1979: "Module Communication Failure network
- U1980 Lost Communication with the Body Control Module (BCM) network
- U1981 Lost Communication with the Body Control Module (BCM) network
- U1982 U1982: "Module Communication Failure network
- U1983 Lost Communication with the Body Control Module (BCM)" network
- U1984 U1984: "Module Communication Failure network
- U1985 U1985: "Module Communication Failure network
- U1986 U1986: "Module Communication Failure network
- U1987 U1987: "Module Communication Failure network
- U1988 Lost Communication with the Body Control Module (BCM)" network
- U1989 Module Communication Failure network
- U1990 CAN Communication Bus Fault network
- U1991 U1991: "Inter-Module Communication Failure network
- U1992 U1992: "Inter-Module Communication Failure network
- U1993 Inter-Module Communication Failure network
- U1994 Inter-Module Communication Failure network
- U1995 Invalid Data Received from Vehicle Control Module network
- U1996 Vehicle Communication Bus Malfunction network
- U1997 Communication Network Malfunction network
- U1998 Module Communication Failure network
- U1999 is a generic communication error code indicating a problem with the vehicle's communication network network
U2xxx
- U2000 Audio Rear Control Unit is Not Responding network
- U2001 Audio Tape Deck Unit is Not Responding network
- U2002 Audio Bezel is Not Responding network
- U2003 Audio Compact Disk / Disk Jockey Unit is Not Responding network
- U2004 Audio Steering Wheel Control Unit is Not Responding network
- U2005 Audio Rear Integrated Control Panel Unit is Not Responding network
- U2006 Audio Remote Climate Control Unit is Not Responding network
- U2007 Control Module Communication Failure network
- U2008 Control Module Communication Bus Failure network
- U2009 Control Module Communication Bus Fault network
- U2010 Control Module Communication Bus Off network
- U2011 Communication Bus Off network
- U2012 Communication Bus Error (Non SCP) network
- U2013 Compass Module is not Responding network
- U2014 Audio Subwoofer Unit is Not Responding network
- U2015 Lost Communication with the Steering Angle Sensor network
- U2016 Lost Communication with the Steering Angle Sensor network
- U2017 Driver Side Crash Sensor Communication Fault (Non SCP) network
- U2018 Passenger Side Crash Sensor Communication Fault (Non SCP) network
- U2019 Audio Voice Module Not Responding network
- U2020 Audio Center Amp is not responding network
- U2021 Invalid /fault data received (Non SCP) network
- U2022 Lost Communication with Body Control Module (BCM) 'A' network