Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic Fault Information
2011 Cadillac Escalade Base, AWDSECTION Diagnostic Fault Information
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| BECM B+ (circuit 4240) | U0146* in PSCM | U1875* in HPCM, U0111 in SDGM | - | - |
| BECM Ground (circuit 2751) | - | U1875* in HPCM, U0111 in SDGM | - | - |
| BECM Communication Enable Signal (circuit 5986) | U1875* in HPCM, U2099 in BCM | U1875* in HPCM, U0111 in SDGM | - | - |
| HSGMLAN + (circuit 2500) | 1* | U1875* in HPCM, U0111 in SDGM | 1* | - |
| HSGMLAN - (circuit 2501) | 1* | U1875* in HPCM, U0111 in SDGM | 1* | - |
| HPCM Ignition (circuit 2139) | P2534 | P2534 | U1875* in HPCM, B1453 in SDGM | - |
| * Other modules/DTCs will set with this fault. 1. Scan tool does not communicate with high speed GMLAN device. |
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RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.