Network Codes

Network codes (U-codes) cover vehicle communication network issues including CAN bus, module communication failures, and data link faults.

333 codes found · Page 4 / 4

33 codes found
U1794network

SCP (J1850) Lack of Acknowledgment for Mirrors

U1797network

SCP (J1850) Lack of Acknowledgment for Door Locks

U1798network

SCP (J1850) Lack of Acknowledgment for External Access (Doors)

U1806network

SCP (J1850) Lack of Acknowledgment for Primary Id

U1900network

CAN Communication Bus Fault

U1950network

UPB Communication Bus Fault

U2000network

Audio Rear Control Unit is Not Responding

U2001network

Audio Tape Deck Unit is Not Responding

U2002network

Audio Bezel is Not Responding

U2003network

Audio Compact Disk / Disk Jockey Unit is Not Responding

U2004network

Audio Steering Wheel Control Unit is Not Responding

U2005network

Audio Rear Integrated Control Panel Unit is Not Responding

U2006network

Audio Remote Climate Control Unit is Not Responding

U2007network

Audio Navigation Unit is Not Responding

U2008network

Audio Phone is Not Responding

U2009network

Audio Front Control Module (ACM) is Not Responding

U2010network

Module is Not Responding (Non SCP)

U2011network

Module Transmitted Invalid Data (Non SCP)

U2012network

Communication Bus Error (Non SCP)

U2013network

Compass Module is not Responding

U2014network

Audio Subwoofer Unit is Not Responding

U2015network

Signal Link Fault (Non SCP)

U2016network

Signal Link Short to Ground (Non SCP) / From NGV Module

U2017network

Driver Side Crash Sensor Communication Fault (Non SCP)

U2018network

Passenger Side Crash Sensor Communication Fault (Non SCP)

U2019network

Audio Voice Module Not Responding

U2020network

Audio Center Amp is not responding

U2021network

Invalid /fault data received (Non SCP)

U2150network

SCP (J1850) Invalid Data from REM

U2152network

SCP (J1850) Invalid Data from GEM

U2160network

SCP (J1850) Invalid Data from IC

U2195network

SCP (J1850) Invalid Data from SCLM

U2500network

(CAN) Lack of Acknowledgement From Engine Management