- U3000Control ModuleFull content
- U3001Control Module Improper Shutdown PerformanceFull content
- U3002Vehicle Identification NumberFull content
- U3003Battery VoltageFull content
- U3004Accessory Power RelayFull content
- U3005Retained Accessory PowerFull content
- U3006Control Module Input Power A Circuit/OpenFull content
- U3007Control Module Input Power B Circuit/OpenFull content
- U3008Control Module Ground AFull content
- U3009Control Module Ground BFull content
- U300AIgnition SwitchFull content
- U300BIgnition Input Accessory/On/StartFull content
- U300CIgnition Input Off/On/StartFull content
- U300DIgnition Input On/StartFull content
- U300EIgnition Input OnFull content
- U300FIgnition Input AccessoryFull content
- U3010Ignition Input StartFull content
- U3011Ignition Input OffFull content
- U3012Control Module Improper Wake-up PerformanceFull content
- U3013Control Module Input Power C Circuit/OpenFull content
- U3014Control Module Input Power D Circuit/OpenFull content
- U3015Control Module Ground CFull content
- U3016Control Module Ground DFull content
- U3017Control Module Timer/Clock PerformanceFull content
- U3018Control Module Input Power Circuit A/B CorrelationFull content
- U3019Control Module Input Power Circuit B/C CorrelationFull content
- U301AControl Module Wake-up Circuit A/OpenFull content
- U301BControl Module Wake-up Circuit A LowFull content
- U301CControl Module Wake-up Circuit A HighFull content
- U301DControl Module Wake-up Circuit A PerformanceFull content
- U301EControl Module Wake-up Circuit B/OpenFull content
- U301FControl Module Wake-up Circuit B LowFull content
- U3020Control Module Wake-up Circuit B HighFull content
- U3021Control Module Wake-up Circuit B PerformanceFull content
- U3022Ignition Input Accessory/OffFull content
- U3023Control Module Input Power Circuit A - Ignition Input On/Start Circuit CorrelationFull content
- U3024Control Module Input Power Circuit B - Ignition Input On/Start Circuit CorrelationFull content
- U3025Control Module A Disable Circuit/OpenFull content
- U3026Control Module A Disable Circuit LowFull content
- U3027Control Module A Disable Circuit HighFull content
- U3028Control Module A Disable Feedback CircuitFull content
- U3029Control Module A Disable Feedback Circuit LowFull content
- U302AControl Module A Disable Feedback Circuit HighFull content
- U302BIgnition Output Accessory/On/StartFull content
- U302CIgnition Output Off/On/StartFull content
- U302DIgnition Output On/StartFull content
- U302EIgnition Output OnFull content
- U302FIgnition Output AccessoryFull content
- U3030Ignition Output StartFull content
- U3031Ignition Output OffFull content
- U3032Ignition Output Accessory/OffFull content
- U3033Control Module Security Certificate Missing/InvalidFull content
- U3034Communication Authentication Key/Certificate Missing/InvalidFull content
- U3035Communication Authentication Signal Invalid DataFull content
- U3036Communication Authentication Signal PerformanceFull content
- U3500Control Module Input Power A Circuit Range/PerformanceFull content
- U3501Control Module Input Power A Circuit LowFull content
- U3502Control Module Input Power A Circuit HighFull content
- U3503Control Module Input Power A Circuit Intermittent/ErraticFull content
- U3504Control Module Input Power B Circuit Range/PerformanceFull content
Other systems
This information follows the generic OBD-II definition and does not replace a vehicle-specific diagnosis. The severity rating is rule-based; an authorised diagnostic reading is required for a definitive answer.