U30xx
55 generic network & communication codes in the U30xx range.Module-to-module communication across the vehicle data bus.
0 of these have been through editorial review and carry full diagnostic guidance.
- U3000Control ModuleSeverity level 4 of 5: Get it looked at now.
- U3001Control Module Improper Shutdown PerformanceSeverity level 3 of 5: Diagnose soon.
- U3002Vehicle Identification NumberSeverity level 3 of 5: Diagnose soon.
- U3003Battery VoltageSeverity level 3 of 5: Diagnose soon.
- U3004Accessory Power RelaySeverity level 3 of 5: Diagnose soon.
- U3005Retained Accessory PowerSeverity level 3 of 5: Diagnose soon.
- U3006Control Module Input Power A Circuit/OpenSeverity level 4 of 5: Get it looked at now.
- U3007Control Module Input Power B Circuit/OpenSeverity level 4 of 5: Get it looked at now.
- U3008Control Module Ground ASeverity level 4 of 5: Get it looked at now.
- U3009Control Module Ground BSeverity level 4 of 5: Get it looked at now.
- U300AIgnition SwitchSeverity level 3 of 5: Diagnose soon.
- U300BIgnition Input Accessory/On/StartSeverity level 3 of 5: Diagnose soon.
- U300CIgnition Input Off/On/StartSeverity level 3 of 5: Diagnose soon.
- U300DIgnition Input On/StartSeverity level 3 of 5: Diagnose soon.
- U300EIgnition Input OnSeverity level 3 of 5: Diagnose soon.
- U300FIgnition Input AccessorySeverity level 3 of 5: Diagnose soon.
- U3010Ignition Input StartSeverity level 3 of 5: Diagnose soon.
- U3011Ignition Input OffSeverity level 3 of 5: Diagnose soon.
- U3012Control Module Improper Wake-up PerformanceSeverity level 3 of 5: Diagnose soon.
- U3013Control Module Input Power C Circuit/OpenSeverity level 4 of 5: Get it looked at now.
- U3014Control Module Input Power D Circuit/OpenSeverity level 4 of 5: Get it looked at now.
- U3015Control Module Ground CSeverity level 4 of 5: Get it looked at now.
- U3016Control Module Ground DSeverity level 4 of 5: Get it looked at now.
- U3017Control Module Timer/Clock PerformanceSeverity level 3 of 5: Diagnose soon.
- U3018Control Module Input Power Circuit A/B CorrelationSeverity level 4 of 5: Get it looked at now.
- U3019Control Module Input Power Circuit B/C CorrelationSeverity level 4 of 5: Get it looked at now.
- U301AControl Module Wake-up Circuit A/OpenSeverity level 3 of 5: Diagnose soon.
- U301BControl Module Wake-up Circuit A LowSeverity level 3 of 5: Diagnose soon.
- U301CControl Module Wake-up Circuit A HighSeverity level 3 of 5: Diagnose soon.
- U301DControl Module Wake-up Circuit A PerformanceSeverity level 3 of 5: Diagnose soon.
- U301EControl Module Wake-up Circuit B/OpenSeverity level 3 of 5: Diagnose soon.
- U301FControl Module Wake-up Circuit B LowSeverity level 3 of 5: Diagnose soon.
- U3020Control Module Wake-up Circuit B HighSeverity level 3 of 5: Diagnose soon.
- U3021Control Module Wake-up Circuit B PerformanceSeverity level 3 of 5: Diagnose soon.
- U3022Ignition Input Accessory/OffSeverity level 3 of 5: Diagnose soon.
- U3023Control Module Input Power Circuit A - Ignition Input On/Start Circuit CorrelationSeverity level 3 of 5: Diagnose soon.
- U3024Control Module Input Power Circuit B - Ignition Input On/Start Circuit CorrelationSeverity level 3 of 5: Diagnose soon.
- U3025Control Module A Disable Circuit/OpenSeverity level 3 of 5: Diagnose soon.
- U3026Control Module A Disable Circuit LowSeverity level 3 of 5: Diagnose soon.
- U3027Control Module A Disable Circuit HighSeverity level 3 of 5: Diagnose soon.
- U3028Control Module A Disable Feedback CircuitSeverity level 3 of 5: Diagnose soon.
- U3029Control Module A Disable Feedback Circuit LowSeverity level 3 of 5: Diagnose soon.
- U302AControl Module A Disable Feedback Circuit HighSeverity level 3 of 5: Diagnose soon.
- U302BIgnition Output Accessory/On/StartSeverity level 3 of 5: Diagnose soon.
- U302CIgnition Output Off/On/StartSeverity level 3 of 5: Diagnose soon.
- U302DIgnition Output On/StartSeverity level 3 of 5: Diagnose soon.
- U302EIgnition Output OnSeverity level 3 of 5: Diagnose soon.
- U302FIgnition Output AccessorySeverity level 3 of 5: Diagnose soon.
- U3030Ignition Output StartSeverity level 3 of 5: Diagnose soon.
- U3031Ignition Output OffSeverity level 3 of 5: Diagnose soon.
- U3032Ignition Output Accessory/OffSeverity level 3 of 5: Diagnose soon.
- U3033Control Module Security Certificate Missing/InvalidSeverity level 4 of 5: Get it looked at now.
- U3034Communication Authentication Key/Certificate Missing/InvalidSeverity level 4 of 5: Get it looked at now.
- U3035Communication Authentication Signal Invalid DataSeverity level 4 of 5: Get it looked at now.
- U3036Communication Authentication Signal PerformanceSeverity level 3 of 5: Diagnose soon.