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DTC Code Glossary

Look up any of the 11,957 OBD-II diagnostic trouble codes in our database — what it means, and how we can permanently remove it from your ECU.

All P B C U
U1216
SCP (J1850) Invalid or Missing Data for External Lamp Outage
U1217
SCP (J1850) Invalid or Missing Data for External Lamp Outage
U1218
SCP (J1850) Invalid or Missing Data for External Lamps
U1219
SCP (J1850) Invalid or Missing Data for External Lamps
U1220
SCP (J1850) Invalid or Missing Data for Interior Lamp Outage
U1221
SCP (J1850) Invalid or Missing Data for Interior Lamp Outage
U1222
SCP (J1850) Invalid or Missing Data for Interior Lamps
U1223
SCP (J1850) Invalid or Missing Data for Interior Lamps
U1224
SCP (J1850) Invalid or Missing Data for Primary Id
U1225
SCP (J1850) Invalid or Missing Data for Primary Id
U1226
SCP (J1850) Invalid or Missing Data for Body Status Request
U1227
SCP (J1850) Invalid or Missing Data for Body Status Request
U1228
SCP (J1850) Invalid or Missing Data for Tires
U1229
SCP (J1850) Invalid or Missing Data for Tires
U1230
SCP (J1850) Invalid or Missing Data for Electric Defrost
U1231
SCP (J1850) Invalid or Missing Data for Electric Defrost
U1232
SCP (J1850) Invalid or Missing Data for Navigation
U1233
SCP (J1850) Invalid or Missing Data for Navigation
U1234
SCP (J1850) Invalid or Missing Data for Displays
U1235
SCP (J1850) Invalid or Missing Data for Displays
U1236
SCP (J1850) Invalid or Missing Data for Memory Storage
U1237
SCP (J1850) Invalid or Missing Data for Memory Storage
U1238
SCP (J1850) Invalid or Missing Data for Experimental #4
U1239
SCP (J1850) Invalid or Missing Data for Experimental #4
U1240
SCP (J1850) Invalid or Missing Data for Primary Id
U1241
SCP (J1850) Invalid or Missing Data for Primary Id
U1242
SCP (J1850) Invalid or Missing Data for Exterior Environment
U1243
SCP (J1850) Invalid or Missing Data for Exterior Environment
U1244
SCP (J1850) Invalid or Missing Data for Interior Environment
U1245
SCP (J1850) Invalid or Missing Data for Interior Environment
U1246
SCP (J1850) Invalid or Missing Data for Primary Id
U1247
SCP (J1850) Invalid or Missing Data for Primary Id
U1248
SCP (J1850) Invalid or Missing Data for Time / Date
U1249
SCP (J1850) Invalid or Missing Data for Time / Date
U1250
SCP (J1850) Invalid or Missing Data for Vehicle Id (VIN)
U1251
SCP (J1850) Invalid or Missing Data for Vehicle Id (VIN)
U1252
SCP (J1850) Invalid or Missing Data for Class A Functions
U1253
SCP (J1850) Invalid or Missing Data for Class A Functions
U1254
SCP (J1850) Invalid or Missing Data for Network Control
U1255
SCP (J1850) Invalid or Missing Data for Network Control
U1260
SCP (J1850) Single Ended (+) Circuit Failure
U1261
SCP (J1850) Single Ended (-) Circuit Failure
U1262
SCP (J1850) Communication Bus Fault
U1308
SCP (J1850) Invalid or Missing Data for Function Read Engine Torque
U1341
SCP (J1850) Invalid or Missing Data for Function Read Vehicle Speed
U1430
SCP (J1850) Invalid or Missing Data for Function Read Fuel System
U1451
SCP (J1850) Invalid or Missing Data for Function Read Audible Warnings /Anti-Theft Module
U1612
SCP (J1850) Lack of Acknowledgment for Primary Id
U1736
SCP (J1850) Lack of Acknowledgment for Telltales
U1750
SCP (J1850) Lack of Acknowledgment for Audible Warnings
U1794
SCP (J1850) Lack of Acknowledgment for Mirrors
U1797
SCP (J1850) Lack of Acknowledgment for Door Locks
U1798
SCP (J1850) Lack of Acknowledgment for External Access (Doors)
U1806
SCP (J1850) Lack of Acknowledgment for Primary Id
U1900
CAN Communication Bus Fault
U1950
UPB Communication Bus Fault
U2000
Manufacturer Controlled DTC
U2001
Audio Tape Deck Unit is Not Responding
U2002
Audio Bezel is Not Responding
U2003
Audio Compact Disk / Disk Jockey Unit is Not Responding
U2004
Audio Steering Wheel Control Unit is Not Responding
U2005
Audio Rear Integrated Control Panel Unit is Not Responding
U2006
Audio Remote Climate Control Unit is Not Responding
U2007
Audio Navigation Unit is Not Responding
U2008
Audio Phone is Not Responding
U2009
Audio Front Control Module (ACM) is Not Responding
U2010
Module is Not Responding (Non SCP)
U2011
Module Transmitted Invalid Data (Non SCP)
U2012
Communication Bus Error (Non SCP)
U2013
Compass Module is not Responding
U2014
Audio Subwoofer Unit is Not Responding
U2015
Signal Link Fault (Non SCP)
U2016
Signal Link Short to Ground (Non SCP) / From NGV Module
U2017
Driver Side Crash Sensor Communication Fault (Non SCP)
U2018
Passenger Side Crash Sensor Communication Fault (Non SCP)
U2019
Audio Voice Module Not Responding
U2020
Audio Center Amp is not responding
U2021
Invalid /fault data received (Non SCP)
U2150
SCP (J1850) Invalid Data from REM
U2152
SCP (J1850) Invalid Data from GEM
U2160
SCP (J1850) Invalid Data from IC
U2195
SCP (J1850) Invalid Data from SCLM
U2500
(CAN) Lack of Acknowledgement From Engine Management
U3000
Control Module
U3001
Control Module Improper Shutdown Performance
U3002
Vehicle Identification Number
U3003
Battery Voltage
U3004
Accessory Power Relay
U3005
Retained Accessory Power
U3006
Control Module Input Power A Circuit/Open
U3007
Control Module Input Power B Circuit/Open
U3008
Control Module Ground A
U3009
Control Module Ground B
U300A
Ignition Switch
U300B
Ignition Input Accessory/On/Start
U300C
Ignition Input Off/On/Start
U300D
Ignition Input On/Start
U300E
Ignition Input On
U300F
Ignition Input Accessory
U3010
Ignition Input Start