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 635 (BODY CONTROL SYSTEM)
2011 Cadillac Escalade Base, AWD
Section 635 (Body Control System)
2011 Cadillac Escalade Base, AWDSECTION Section 635 (Body Control System)
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Schematic Wiring Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Body Control System
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC B1000: Internal Malfunction
- DTC B1001: ID/VIN Data Mismatch
- DTC B1004: KAM In The Module Has Been Reset
- DTC B1007: EEPROM Error
- DTC B1009: EEPROM Error
- DTC B1440: Monitored Ignition Switch Circuit Has Malfunctioned
- DTC C0550: Internal Write Malfunction
- DTC U1800: Loss Of COMMUNICATON Between ECM And FICM Or TCM
- DTC U2104: Loss Of COMMUNICATON Between ECM And FICM Or TCM
- DTC U2106: Loss Of COMMUNICATON Between ECM And FICM Or TCM
- Symptoms-Body Control System
- Power Mode Mismatch
- Control Module References
- Repair Instructions
- Description and Operation
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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.