Diagnostic Fault Information
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| BCM B+ | U1866*, U0140 in EBCM | U1866*, U0140 in EBCM | - | - |
| BCM Ground | - | U1866*, U0140 in EBCM | - | - |
| HSGMLAN + (circuit 2500) | 1* | U1866*, U0140 in EBCM | 1* | - |
| HSGMLAN - (circuit 2501) | 1* | U1866*, U0140 in EBCM | 1* | - |
| * Other modules/DTCs will set with this fault. 1. Scan tool does not communicate with high speed GMLAN device. |
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