Fault code lookup

GM fault codes

17,703 codes · 2,212 vehicle records · 180 ECU records · 10,756 live-data parameters

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Shared-name brands using this data:

Codes 17,703

CodeDescriptionBrandsSystem
U18B0Lost Communication with Instrument Cluster on Infotainment Ethernet Bus6Network
U18B1Lost Communication with Audio Amplifier on Infotainment Ethernet Bus6Network
U18B2Lost Communication with Rear Audio Control Module on Infotainment Ethernet Bus6Network
U18B3Lost Communication with Navigation Control Module on Infotainment Ethernet Bus6Network
U18B4Lost Communication with Radio on Ethernet Bus6Network
U18B5Lost Communication With Hybrid Powertrain Control Module on Chassis Expansion CAN Bus6Network
U18B6No description available6Network
U18B7No description available4Network
U18B8No description available6Network
U18B9Primary High Speed CAN Bus Subnet Configuration List6Network
U18BALost Communication with Power Steering Control Module on High Speed CAN Bus6Network
U18BBNo description available6Network
U18BELIN Subnet Configuration Lists6Network
U18BFSecondary High Speed CAN Bus Subnet Configuration List7Network
U18C0No description available6Network
U18C1No description available6Network
U18C2Lost Communication with Frontview Camera Module on Flexray Bus6Network
U18C3Lost Communication with Video Processing Control Module on High Speed CAN Bus7Network
U18C4Lost Communication with Video Processing Control Module on Low Speed CAN Bus6Network
U18C5No description available6Network
U18C6Transmission Range Control Module Lost Communication with Engine Control Module on Powertrain Sensor CAN Bus6Network
U18C7Transmission Range Control Module Lost Communication with Engine Control Module on Powertrain Expansion CAN Bus6Network
U18C8No description available6Network
U18C9Head-Up Display Lost Communication with Instrument Cluster on Dedicated Bus 16Network
U18CANo description available6Network
U18CBNo description available6Network
U18CCNo description available6Network
U18CDLost Communication with Left Side Object Detection Control Module on Dedicated Bus 16Network
U18CELost Communication with Right Side Object Detection Control Module on Dedicated Bus 16Network
U18CFNo description available6Network
U18D0No description available6Network
U18D2No description available6Network
U18D3No description available6Network
U18D4No description available6Network
U18D5No description available6Network
U18D6No description available6Network
U18D7No description available6Network
U18D8No description available6Network
U18D9No description available6Network
U18DANo description available6Network
U18DBNo description available6Network
U18DCNo description available6Network
U18DDNo description available6Network
U18DENo description available6Network
U18E0No description available6Network
U18E1No description available6Network
U18E6No description available6Network
U18E9No description available6Network
U18EBNo description available6Network
U18EDNo description available6Network

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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