U30xx fault codes
55 generic codes from U3000 to U3036, with what each means.
- 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
- U3011 Ignition Input Off
- U3012 Control Module Improper Wake-up Performance
- U3013 Control Module Input Power C Circuit/Open
- U3014 Control Module Input Power D Circuit/Open
- U3015 Control Module Ground C
- U3016 Control Module Ground D
- U3017 Control Module Timer/Clock Performance
- U3018 Control Module Input Power Circuit A/B Correlation
- U3019 Control Module Input Power Circuit B/C Correlation
- U301A Control Module Wake-up Circuit A/Open
- U301B Control Module Wake-up Circuit A Low
- U301C Control Module Wake-up Circuit A High
- U301D Control Module Wake-up Circuit A Performance
- U301E Control Module Wake-up Circuit B/Open
- U301F Control Module Wake-up Circuit B Low
- U3020 Control Module Wake-up Circuit B High
- U3021 Control Module Wake-up Circuit B Performance
- U3022 Ignition Input Accessory/Off
- U3023 Control Module Input Power Circuit A - Ignition Input On/Start Circuit Correlation
- U3024 Control Module Input Power Circuit B - Ignition Input On/Start Circuit Correlation
- U3025 Control Module A Disable Circuit/Open
- U3026 Control Module A Disable Circuit Low
- U3027 Control Module A Disable Circuit High
- U3028 Control Module A Disable Feedback Circuit
- U3029 Control Module A Disable Feedback Circuit Low
- U302A Control Module A Disable Feedback Circuit High
- U302B Ignition Output Accessory/On/Start
- U302C Ignition Output Off/On/Start
- U302D Ignition Output On/Start
- U302E Ignition Output On
- U302F Ignition Output Accessory
- U3030 Ignition Output Start
- U3031 Ignition Output Off
- U3032 Ignition Output Accessory/Off
- U3033 Control Module Security Certificate Missing/Invalid
- U3034 Communication Authentication Key/Certificate Missing/Invalid
- U3035 Communication Authentication Signal Invalid Data
- U3036 Communication Authentication Signal Performance