Results for “U”

Fault codes 7,936

Results match keywords in the stored descriptions. Codes you typed are shown first.

Code	Description	Brands	System
U301D	Control Module Wake-up Circuit A Performance	4	Network
U301E	Control Module Wake-up Circuit B/Open	3	Network
U301F	Control Module Wake-up Circuit B Low	3	Network
U3020	Control Module Wake-up Circuit B High	6	Network
U3021	Control Module Wake-up Circuit B Performance	3	Network
U3022	Ignition Input Accessory/Off	9	Network
U3023	Control Module Input Power Circuit A - Ignition Input On/Start Circuit Correlation	9	Network
U3024	Control Module Input Power Circuit B - Ignition Input On/Start Circuit Correlation	2	Network
U3025	Control Module A Disable Circuit/Open	2	Network
U3026	Control Module A Disable Circuit Low	2	Network

Show 15 more matches on this page

Code	Description	Brands	System
U3027	Control Module A Disable Circuit High	2	Network
U3028	Control Module A Disable Feedback Circuit	2	Network
U3029	Control Module A Disable Feedback Circuit Low	2	Network
U302A	Control Module A Disable Feedback Circuit High	2	Network
U302B	Ignition Output Accessory/On/Start	2	Network
U302C	Ignition Output Off/On/Start	2	Network
U302D	Ignition Output On/Start	2	Network
U302E	Ignition Output On	2	Network
U302F	Ignition Output Accessory	2	Network
U3030	Ignition Output Start	2	Network
U3031	Ignition Output Off	2	Network
U3032	Ignition Output Accessory/Off	2	Network
U3033	Control Module Security Certificate Missing/Invalid	2	Network
U3034	Communication Authentication Key/Certificate Missing/Invalid	2	Network
U3035	Communication Authentication Signal Invalid Data	2	Network

Code	Description	Brands	System
U3027	Control Module A Disable Circuit High	2	Network
U3028	Control Module A Disable Feedback Circuit	2	Network
U3029	Control Module A Disable Feedback Circuit Low	2	Network
U302A	Control Module A Disable Feedback Circuit High	2	Network
U302B	Ignition Output Accessory/On/Start	2	Network
U302C	Ignition Output Off/On/Start	2	Network
U302D	Ignition Output On/Start	2	Network
U302E	Ignition Output On	2	Network
U302F	Ignition Output Accessory	2	Network
U3030	Ignition Output Start	2	Network
U3031	Ignition Output Off	2	Network
U3032	Ignition Output Accessory/Off	2	Network
U3033	Control Module Security Certificate Missing/Invalid	2	Network
U3034	Communication Authentication Key/Certificate Missing/Invalid	2	Network
U3035	Communication Authentication Signal Invalid Data	2	Network

Advanced: scanner vehicle and live-data matches

No matching vehicles.

No matching live-data parameters.

These tables come from diagnostic data. They are useful for advanced users and can be ignored for a normal code lookup.