Section 1788 (Lighting System)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic Wiring Diagrams
- Headlights/Daytime Running Lights (DRL) Wiring Schematics
- Fog Lights Wiring Schematics
- Exterior Lights Wiring Schematics
- Park Lamp Controls and Left Front Park Lamps Wiring Schematics
- Park Lamp Controls and Right Front Park Lamps Wiring Schematics
- Left Rear Park Lamps and License Lamps Wiring Schematics
- Right Rear Park Lamps Wiring Schematics
- Exterior Illumination Lamps Wiring Schematics
- Turn Signal Controls Wiring Schematics
- Front Turn Signal Lamps Wiring Schematics
- Rear Turn Signal Lamps Wiring Schematics
- Stop Lamp Controls and CHMSL Wiring Schematics
- Stop Lamps (X88, Z88 and Z75 with EXP) Wiring Schematics
- Stop Lamps (Z75 without EXP) Wiring Schematics
- Backup Lamps Wiring Schematics
- Interior Lights Wiring Schematics
- Interior Lights Dimming Wiring Schematics
- Diagnostic Information and Procedures
- Diagnostic Code Index
- DTC B1395
- DTC B2530
- DTC B2540
- DTC B2545
- DTC B2555
- DTC B2575
- DTC B257A
- DTC B2580
- DTC B2585
- DTC B2600 (With X88, Z75, and Z88)
- DTC B2600 (With T4Q)
- DTC B2610
- DTC B2615
- DTC B2625
- DTC B2635
- DTC B2645
- DTC B2652
- DTC B3445
- DTC B3588
- DTC B3600
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B3884
- DTC B3891
- DTC C0277 or C0890
- DTC C0297
- Symptoms - Lighting
- Backup Lamps Malfunction
- Courtesy Lamps Malfunction
- Daytime Running Lamps Malfunction (With Z88, Z75, and Z88)
- Daytime Running Lamps Malfunction (With T4Q)
- Door Sill Illumination Malfunction
- Front Fog Lamps Malfunction
- Rear Fog Lamps Malfunction
- Hazard Lamps Malfunction
- High Intensity Discharge Lamp Malfunction
- Headlamps Malfunction (With X88, Z75, and Z88)
- Headlamps Malfunction (With T4Q)
- Interior Backlighting Malfunction
- Park, License, and/or Tail Lamps Malfunction (With X88, Z75, and Z88)
- Park, License, and/or Tail Lamps Malfunction (Front LED Park/Marker Lamps with T4Q)
- Stop Lamps Malfunction
- Turn Signal Lamps and/or Indicators Malfunction
- Repair Instructions
- Brake Pedal Position Sensor Calibration
- Brake Pedal Position Sensor Replacement (Without JF4)
- Brake Pedal Position Sensor Replacement (With JF4)
- Headlamp Switch Replacement (Cadillac)
- Headlamp Switch Replacement (Except Cadillac)
- Fog Lamp Switch Replacement
- Ambient Light Sensor Replacement
- Dome and Reading Lamp Bulb Replacement (Overhead Console)
- Dome and Reading Lamp Bulb Replacement (Dome Lamp)
- Outside Rearview Mirror Courtesy Lamp Replacement
- Door Courtesy Lamp and Reflector Replacement
- Dome Lamp Replacement
- Headlamp Replacement (Escalade PLATINUM)
- Headlamp Replacement (Non HID)
- Headlamp Replacement (Cadillac Escalade)
- Headlamp Replacement (Tahoe, Avalanche)
- Headlamp Replacement (Chevrolet Tahoe Two-mode Hybrid)
- Headlamp Replacement (Yukon)
- Headlamp Replacement (GMC Yukon Two-mode Hybrid)
- Headlamp Ballast Replacement
- Headlamp Bulb Replacement (Tahoe, Avalanche)
- Headlamp Bulb Replacement (Yukon)
- Headlamp Bulb Replacement (Cadillac)
- Headlamp Aiming (Tahoe/Yukon)
- Headlamp Aiming (Escalade)
- Headlamp Control Module Replacement (Escalade PLATINUM)
- Front Fog Lamp Replacement (Tahoe, Avalanche)
- Front Fog Lamp Replacement (Yukon)
- Front Fog Lamp Replacement (PLATINUM)
- Front Fog Lamp Bulb Replacement (Yukon)
- Front Fog Lamp Bulb Replacement (Tahoe)
- Front Fog Lamp Bulb Replacement (Escalade)
- Rear Fog Lamp Replacement (Cadillac Export)
- Rear Fog Lamp Bulb Replacement (Cadillac Export)
- Front Fog Lamp Cover Replacement
- Fog Lamp Aiming (Tahoe/Yukon)
- Daytime Running Lamp Bulb Replacement (Cadillac)
- Daytime Running Lamp Bulb Replacement (GMC)
- Repeater Lamp Replacement (Escalade)
- Front Side Marker Lamp Replacement (Tahoe, Avalanche)
- Front Side Marker Lamp Replacement (Yukon)
- Parking and Turn Signal Lamp Replacement (Yukon)
- Parking and Turn Signal Lamp Replacement (Tahoe, Avalanche)
- Parking and Turn Signal Lamp Bulb Replacement (Cadillac)
- Parking and Turn Signal Lamp Bulb Replacement (Tahoe, Avalanche)
- Parking and Turn Signal Lamp Bulb Replacement (Yukon)
- Parking and Turn Signal Lamp Bulb Replacement (Escalade)
- High Mount Stop Lamp Replacement (Yukon Two-mode Hybrid)
- High Mount Stop Lamp Replacement (Avalanche)
- High Mount Stop Lamp Replacement (Escalade)
- High Mount Stop Lamp Replacement (Yukon)
- Rear License Plate Lamp Replacement (GMC Denali)
- Rear License Plate Lamp Replacement (Yukon Two-mode Hybrid)
- Rear License Plate Lamp Replacement (Escalade)
- Tail Lamp Replacement (Chevrolet Tahoe Two-Mode Hybrid)
- Tail Lamp Replacement (Avalanche)
- Tail Lamp Replacement (Cadillac)
- Tail Lamp Replacement (Tahoe, Yukon)
- Tail Lamp Replacement (GMC Yukon Two-Mode Hybrid)
- Tail Lamp Bulb Replacement (Cadillac)
- Tail Lamp Bulb Replacement (Tahoe, Avalanche)
- Tail Lamp Bulb Replacement (Yukon)
- Tail Lamp Bulb Replacement (Tahoe)
- Tail Lamp Bulb Replacement (Yukon Two-mode Hybrid)
- Spot Lamp Replacement (RPO 7X6, 7X7)
- Spot Lamp Bulb Replacement (RPO 7X6, 7X7)
- Spot Lamp Travel Adjustment (RPO 7X6, 7X7)
- Description and Operation