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.
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HOMESERVICE MANUALSCADILLAC2011ESCALADE BASE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1087 (LIGHTING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESHEADLAMPS MALFUNCTIONDIAGNOSTIC FAULT INFORMATION
2011 Cadillac Escalade Base, AWD
Diagnostic Fault Information
2011 Cadillac Escalade Base, AWDSECTION Diagnostic Fault Information
WARNING: This page is about a different car, the 2008 Cadillac CTS. 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 |
|---|---|---|---|---|
| Flash to Pass Switch Signal | 1 | 1 | 1 | - |
| Headlamp High Beam Relay Control | 3 | 3 | B2580 00, 1 | - |
| Headlamp Low Beam Relay Control | 2 | 2 | B2575 00, 1 | - |
| Headlamp Switch High Beam Signal | 1 | 1 | 1 | - |
| Headlamp Switch Headlamps ON Signal | B257A 00, 1 | 1 | 1 | - |
| Headlamp Switch Headlamps OFF Signal | B257A 00, 1 | 1 | 1 | - |
| LF High Beam Headlamp Voltage Supply | 3 | 3 | 3 | - |
| LF Low Beam Headlamp Voltage Supply | 2 | 2 | 2 | - |
| RF High Beam Headlamp Voltage Supply | 3 | 3 | 3 | - |
| RF Low Beam Headlamp Voltage Supply | 2 | 2 | 2 | - |
| LF Headlamp Ground | - | 2, 3 | - | - |
| RF Headlamp Ground | - | 2, 3 | - | - |
| Turn Signal/Multifunction Switch Ground | - | 1 | - | - |
|
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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.