Proton fault codes

8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters

Codes 8,866

Code	Description	Brands	System
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
U100A	No communications with control module for access/start authorization	9	Network
U100B	Semi-automatic parallel parking system	8	Network
U100C	No. 10 BMU and BMS communication abnormality	9	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
U1022	Loss of serial communications for class 2 devices	17	Network
U1064	Loss Of Communications With DIM	13	Network
U1073	J1850 SCP Engine Coolent Invalid - Instr Clstr	23	Network
U1074	Loss of Serial Communications for Class 2 Devices	13	Network
U1080	Loss of Serial Communications for Class 2 Devices	12	Network
U1081	Loss of Serial Communications for Class 2 Devices	12	Network
U1082	Loss of Serial Communications for Class 2 Devices	13	Network
U108E	Right motor drive fault	4	Network
U1090	Loss of Serial Communications for Class 2 Devices	12	Network
U1091	Loss of Serial Communications for Class 2 Devices	12	Network
U109A	IPB caliper status error	3	Network
U109B	ELC. Parking lock LIN error	4	Network
U109C	RMCU CAN timeout	3	Network
U109D	GCU CAN timeout	3	Network
U109E	ELC.Parking lock CAN timeout	2	Network
U109F	Compressor CAN timeout	2	Network
U10C7	FMCU message lost	2	Network
U10C8	RMCU message lost	2	Network
U10C9	GCU message lost	2	Network
U10CA	BMU message lost	2	Network
U10CB	BMU message lost	2	Network
U10CC	BMU message lost	2	Network
U1100	Engine CAN timeout	31	Network
U1101	Component protection active	31	Network
U1102	F-CAN malfunction (bus off)	30	Network
U1103	Production mode active	31	Network
U1104	Transport mode	30	Network
U1105	No communication with the steering angle sensor	25	Network
U1106	Customer service mode active	23	Network
U1107	Lost communication with hybrid power management electronic control unit 1	24	Network
U1108	No communication with engine control unit	23	Network

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