Fault code lookup

Results for “U100”

Fault codes 49

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

CodeDescriptionBrandsSystem
U1000CAN-No response35Network
U1001CAN passive error36Network
U1002CAN line error31Network
U1003No communication with towing system control module (J345); Open circuit33Network
U1004Invalid data from towing system control module (J345)30Network
U1005CAN network24Network
U1006Low voltage detected24Network
U1007General fault on suspension and wheel CAN network23Network
U1008General fault on suspension and wheel CAN network29Network
U1009ECU silent on suspension and wheel CAN network27Network
Show 15 more matches on this page
CodeDescriptionBrandsSystem
U100ANo communications with control module for access/start authorization9Network
U100BSemi-automatic parallel parking system8Network
U100CNo. 10 BMU and BMS communication abnormality9Network
U100DAmbient Temperature High4Network
U100EAmbient Temperature Low11Network
U100FLost Communication With Battery Monitoring Sensor 'B'9Network
U100000When this DTC has been set, the same output has set DTC CEM- three times2Network
U100088CAN bus: CAN bus off1Network
U100187CAN bus: BCM no signal1Network
U100188CAN bus off1Network
U100245After recharging the battery, the DTC SCL- may be active1Network
U100287CAN Lost Communication with EMS1Network
U10028FCAN line error1Network
U100300CAN communication: no communication - bus off2Network
U100387CAN communication: Airbag Control Unit (ACU) message not received1Network
CodeDescriptionBrandsSystem
U100ANo communications with control module for access/start authorization9Network
U100BSemi-automatic parallel parking system8Network
U100CNo. 10 BMU and BMS communication abnormality9Network
U100DAmbient Temperature High4Network
U100EAmbient Temperature Low11Network
U100FLost Communication With Battery Monitoring Sensor 'B'9Network
U100000When this DTC has been set, the same output has set DTC CEM- three times2Network
U100088CAN bus: CAN bus off1Network
U100187CAN bus: BCM no signal1Network
U100188CAN bus off1Network
U100245After recharging the battery, the DTC SCL- may be active1Network
U100287CAN Lost Communication with EMS1Network
U10028FCAN line error1Network
U100300CAN communication: no communication - bus off2Network
U100387CAN communication: Airbag Control Unit (ACU) message not received1Network
Advanced: scanner vehicle and live-data matches

Vehicles 2

Vehicle data covers only some brands. These matches come from scanner data, not from a full vehicle index, so treat them as approximate.

BrandModel / variantDetails
Mercedes-BenzU100500 - DTC not currently usedcode U100500
MazdaTraction Control Trac Off Lamp Flashing Intermittently With Diagnostic Trouble Codes (DTCs) U1009 And/Or Stored In Memorycode U1027

Live data 0

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.

OpenDTC - independent fault code reference