Diagnostic Fault Information
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| ECM B+ | U1886*, U0100 in HPCM | U1886*, U0100 in HPCM | - | - |
| ECM Ground | - | U1886*, U0100 in HPCM | - | - |
| ECM Wake Up Signal (circuit 5985) | U1886* in HPCM, U1814 in BCM | U1886*, U0100 in HPCM | - | - |
| HSGMLAN + (circuit 2500) | 1* | U1886*, U0100 in HPCM | 1* | - |
| HSGMLAN - (circuit 2501) | 1* | U1886*, U0100 in HPCM | 1* | - |
| * Other modules/DTCs will set with this fault. 1. Scan tool does not communicate with high speed GMLAN device. |
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