Fault code lookup

EOBD fault codes

14,315 codes · 0 vehicle records · 0 ECU records · 0 live-data parameters

Search only EOBD codes

Codes 14,315

CodeDescriptionBrandsSystem
U3009Control Module Ground B25Network
U300AIgnition Switch23Network
U300BIgnition Input Accessory/On/Start23Network
U300CIgnition Input Off/On/Start21Network
U300DIgnition Input On/Start21Network
U300EIgnition Input On23Network
U300FIgnition Input Accessory22Network
U3010Ignition Input Start24Network
U3011Ignition Input Off23Network
U3012Control Module Improper Wake-up Performance12Network
U3013Control Module Input Power C Circuit/Open6Network
U3014Control Module Input Power D Circuit/Open5Network
U3015Control Module Ground C6Network
U3016Control Module Ground D4Network
U3017Control Module Timer/Clock Performance13Network
U3018Control Module Input Power Circuit A/B Correlation11Network
U3019Control Module Input Power Circuit B/C Correlation11Network
U301AControl Module Wake-up Circuit A/Open3Network
U301BControl Module Wake-up Circuit A Low3Network
U301CControl Module Wake-up Circuit A High4Network
U301DControl Module Wake-up Circuit A Performance4Network
U301EControl Module Wake-up Circuit B/Open3Network
U301FControl Module Wake-up Circuit B Low3Network
U3020Control Module Wake-up Circuit B High6Network
U3021Control Module Wake-up Circuit B Performance3Network
U3022Ignition Input Accessory/Off9Network
U3023Control Module Input Power Circuit A - Ignition Input On/Start Circuit Correlation9Network
U3024Control Module Input Power Circuit B - Ignition Input On/Start Circuit Correlation2Network
U3025Control Module A Disable Circuit/Open2Network
U3026Control Module A Disable Circuit Low2Network
U3027Control Module A Disable Circuit High2Network
U3028Control Module A Disable Feedback Circuit2Network
U3029Control Module A Disable Feedback Circuit Low2Network
U302AControl Module A Disable Feedback Circuit High2Network
U302BIgnition Output Accessory/On/Start2Network
U302CIgnition Output Off/On/Start2Network
U302DIgnition Output On/Start2Network
U302EIgnition Output On2Network
U302FIgnition Output Accessory2Network
U3030Ignition Output Start2Network
U3031Ignition Output Off2Network
U3032Ignition Output Accessory/Off2Network
U3033Control Module Security Certificate Missing/Invalid2Network
U3034Communication Authentication Key/Certificate Missing/Invalid2Network
U3035Communication Authentication Signal Invalid Data2Network
U3036Communication Authentication Signal Performance2Network
U3500Control Module Input Power A Circuit Range/Performance5Network
U3501Control Module Input Power A Circuit Low12Network
U3502Control Module Input Power A Circuit High11Network
U3503Control Module Input Power A Circuit Intermittent/Erratic4Network

Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.

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