Network Codes

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

299 codes found · Page 3 / 3

99 codes found
U1200network

SCP (J1850) Invalid or Missing Data for Seat Motion / Control

U1201network

SCP (J1850) Invalid or Missing Data for Seat Motion / Control

U1202network

SCP (J1850) Invalid or Missing Data for Windows

U1203network

SCP (J1850) Invalid or Missing Data for Windows

U1204network

SCP (J1850) Invalid or Missing Data for Steering Column

U1205network

SCP (J1850) Invalid or Missing Data for Steering Column

U1206network

SCP (J1850) Invalid or Missing Data for Primary Id

U1207network

SCP (J1850) Invalid or Missing Data for Primary Id

U1208network

SCP (J1850) Invalid or Missing Data for Seat Switches

U1209network

SCP (J1850) Invalid or Missing Data for Seat Switches

U1210network

SCP (J1850) Invalid or Missing Data for Restraints

U1211network

SCP (J1850) Invalid or Missing Data for Restraints

U1212network

SCP (J1850) Invalid or Missing Data for Primary Id

U1213network

SCP (J1850) Invalid or Missing Data for Primary Id

U1214network

SCP (J1850) Invalid or Missing Data for Primary Id

U1215network

SCP (J1850) Invalid or Missing Data for Primary Id

U1216network

SCP (J1850) Invalid or Missing Data for External Lamp Outage

U1217network

SCP (J1850) Invalid or Missing Data for External Lamp Outage

U1218network

SCP (J1850) Invalid or Missing Data for External Lamps

U1219network

SCP (J1850) Invalid or Missing Data for External Lamps

U1220network

SCP (J1850) Invalid or Missing Data for Interior Lamp Outage

U1221network

SCP (J1850) Invalid or Missing Data for Interior Lamp Outage

U1222network

SCP (J1850) Invalid or Missing Data for Interior Lamps

U1223network

SCP (J1850) Invalid or Missing Data for Interior Lamps

U1224network

SCP (J1850) Invalid or Missing Data for Primary Id

U1225network

SCP (J1850) Invalid or Missing Data for Primary Id

U1226network

SCP (J1850) Invalid or Missing Data for Body Status Request

U1227network

SCP (J1850) Invalid or Missing Data for Body Status Request

U1228network

SCP (J1850) Invalid or Missing Data for Tires

U1229network

SCP (J1850) Invalid or Missing Data for Tires

U1230network

SCP (J1850) Invalid or Missing Data for Electric Defrost

U1231network

SCP (J1850) Invalid or Missing Data for Electric Defrost

U1232network

SCP (J1850) Invalid or Missing Data for Navigation

U1233network

SCP (J1850) Invalid or Missing Data for Navigation

U1234network

SCP (J1850) Invalid or Missing Data for Displays

U1235network

SCP (J1850) Invalid or Missing Data for Displays

U1236network

SCP (J1850) Invalid or Missing Data for Memory Storage

U1237network

SCP (J1850) Invalid or Missing Data for Memory Storage

U1238network

SCP (J1850) Invalid or Missing Data for Experimental #4

U1239network

SCP (J1850) Invalid or Missing Data for Experimental #4

U1240network

SCP (J1850) Invalid or Missing Data for Primary Id

U1241network

SCP (J1850) Invalid or Missing Data for Primary Id

U1242network

SCP (J1850) Invalid or Missing Data for Exterior Environment

U1243network

SCP (J1850) Invalid or Missing Data for Exterior Environment

U1244network

SCP (J1850) Invalid or Missing Data for Interior Environment

U1245network

SCP (J1850) Invalid or Missing Data for Interior Environment

U1246network

SCP (J1850) Invalid or Missing Data for Primary Id

U1247network

SCP (J1850) Invalid or Missing Data for Primary Id

U1248network

SCP (J1850) Invalid or Missing Data for Time / Date

U1249network

SCP (J1850) Invalid or Missing Data for Time / Date

U1250network

SCP (J1850) Invalid or Missing Data for Vehicle Id (VIN)

U1251network

SCP (J1850) Invalid or Missing Data for Vehicle Id (VIN)

U1252network

SCP (J1850) Invalid or Missing Data for Class A Functions

U1253network

SCP (J1850) Invalid or Missing Data for Class A Functions

U1254network

SCP (J1850) Invalid or Missing Data for Network Control

U1255network

SCP (J1850) Invalid or Missing Data for Network Control

U1260network

SCP (J1850) Single Ended (+) Circuit Failure

U1261network

SCP (J1850) Single Ended (-) Circuit Failure

U1262network

SCP (J1850) Communication Bus Fault

U1308network

SCP (J1850) Invalid or Missing Data for Function Read Engine Torque

U1341network

SCP (J1850) Invalid or Missing Data for Function Read Vehicle Speed

U1430network

SCP (J1850) Invalid or Missing Data for Function Read Fuel System

U1451network

SCP (J1850) Invalid or Missing Data for Function Read Audible Warnings / Anti-Theft Module, Vehicle Immobilized

U1612network

SCP (J1850) Lack of Acknowledgment for Primary Id

U1736network

SCP (J1850) Lack of Acknowledgment for Telltales

U1750network

SCP (J1850) Lack of Acknowledgment for Audible Warnings

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