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 |
|---|---|---|---|---|
| PTLAN + 2 circuits at PIM |
U0074* | U189A* | U0074* | - |
| PTLAN - 2 circuits at PIM |
U0074* | U189A* | U0074* | - |
| Wake Up Signal circuit 968 |
B137A* in SDGM | U189A* ** | 1 | - |
| Wake Up Signal circuit 932 |
B137B* | U182A* | U189A* | - |
| Wake Up Signal Circuit 5985 |
U1814* in BCM | U1812* in HPCM | U209A* in SDGM | - |
| * Other modules/DTCs will set with this fault. ** Open at SDGM or BECM will set DTC U1812 in HPCM. Open at PIM will set DTC U189A in the HPCM. 1. Parasitic drain on battery, and may set DTC U1875, U1876, U1878, U1879 as history in the HPCM with the key ON, or as current with the key OFF. |
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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.