Smart fault codes

2,388 codes · 84 vehicle records · 75 ECU records · 14,877 live-data parameters

Codes 2,388

Code	Description	Brands	System
U040086	Invalid Data Received	2	Network
U0402	Invalid Data Received From TCM	35	Network
U0404	Invalid Data Received From Gear Shift Control Module A	36	Network
U0415	Invalid Data Received From Anti-Lock Brake System (ABS) Control Module	38	Network
U0418	Invalid Data Received From Brake System Control Module A	37	Network
U0423	Invalid Data Received From Instrument Panel Cluster Control Module	41	Network
U0452	Invalid Data Received From Restraints Control Module	35	Network
U0453	Invalid Data Received From Side Restraints Control Module Left	21	Network
U1000	CAN-No response	35	Network
U1001	CAN passive error	36	Network
U1002	CAN line error	31	Network
U1003	No communication with towing system control module (J345); Open circuit	33	Network
U1004	Invalid data from towing system control module (J345)	30	Network
U1005	CAN network	24	Network
U1006	Low voltage detected	24	Network
U1007	General fault on suspension and wheel CAN network	23	Network
U1008	General fault on suspension and wheel CAN network	29	Network
U1009	ECU silent on suspension and wheel CAN network	27	Network
U1010	Lost communication with the powertrain interface ECU	29	Network
U1011	Loss of serial communications for class 2 devices	25	Network
U1012	Loss of serial communications for class 2 devices	26	Network
U1013	Control Module Not Coded	26	Network
U1014	Loss of serial communications for class 2 devices	25	Network
U1015	Loss of serial communications for class 2 devices	17	Network
U1016	Control module for ABS brakes: implausible message received	23	Network
U1017	Loss of serial communications for class 2 devices	22	Network
U1018	Loss of serial communications for class 2 devices	17	Network
U1019	Control module for instrument cluster: missing signal for oil level/temperature; Short to plus	20	Network
U1020	Loss of serial communications for class 2 devices	17	Network
U1021	Loss of serial communications for class 2 devices	20	Network
U1022	Loss of serial communications for class 2 devices	17	Network
U1023	De-Inhibit Completed Previously - Vehicle is not in Inhibited state. Clear codes and verify if DTC is no longer present in BCM	18	Network
U1024	Loss of serial communications for class 2 devices	18	Network
U1025	Loss of serial communications for class 2 devices	17	Network
U1026	Vehicles with code JQYA	18	Network
U1027	Vehicles with code JFZA	17	Network
U1028	Loss of Serial Communications for Class 2 Devices	14	Network
U1029	Loss of Serial Communications for Class 2 Devices	13	Network
U1030	Are you programming the module to resolve DTC ?	14	Network
U1031	Loss of Serial Communications for Class 2 Devices	17	Network
U1032	Loss of Serial Communications for Class 2 Devices	15	Network
U1033	Loss of Serial Communications for Class 2 Devices	13	Network
U1034	Adaptive damping system	14	Network
U1035	NOx sensor 1 bank 2: implausible signal; Open or short to ground	13	Network
U1036	NOx sensor 1 bank 2: no communication; Open or short to plus	13	Network
U1037	Not on model 963.004/005/405/406	9	Network
U1038	Loss of Serial Communications for Class 2 Devices	10	Network
U1039	Vehicle speed signal missing or incorrect	12	Network
U1040	Loss of Class 2 Communications with ABS	15	Network
U1041	Loss of EBCM Communication	18	Network

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