2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 632
9. Connect a test lamp between the B+ circuit terminal 86 and the control circuit terminal 85.
10. Command the Parking Lamps ON and OFF with a scan tool. The test lamp should turn ON and OFF when changing between the commanded
states.
瀚慖f the test lamp is always ON, test the control circuit for a short to ground. If the circuit tests normal, replace the BCM.
瀚慖f the test lamp is always OFF, test the control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace
the BCM.
11. If all circuits test normal, test or replace the park lamp relay.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Relay Replacement (Attached to Wire Harness) (See: Power and Ground Distribution/Power Distribution Relay/Service and Repair/Relay
Replacement (Attached to Wire Harness))Relay Replacement (Within an Electrical Center) (See: Power and Ground Distribution/Power
Distribution Relay/Service and Repair/Relay Replacement (Within an Electrical Center))
* Headlamp Replacement (Cadillac Escalade) (See: Lighting and Horns/Headlamp/Service and Repair/Removal and Replacement/Headlamp
Replacement (Cadillac Escalade))Headlamp Replacement (GMC Yukon Two-mode Hybrid) (See: Lighting and Horns/Headlamp/Service
and Repair/Removal and Replacement/Headlamp Replacement (GMC Yukon Two-mode Hybrid))Headlamp Replacement (Yukon) (See:
Lighting and Horns/Headlamp/Service and Repair/Removal and Replacement/Headlamp Replacement (Yukon))Headlamp Replacement
(Chevrolet Tahoe Two-mode Hybrid) (See: Lighting and Horns/Headlamp/Service and Repair/Removal and Replacement/Headlamp
Replacement (Chevrolet Tahoe Two-mode Hybrid))Headlamp Replacement (Tahoe, Avalanche) (See: Lighting and
Horns/Headlamp/Service and Repair/Removal and Replacement/Headlamp Replacement (Tahoe, Avalanche))Headlamp Replacement
(Escalade PLATINUM) (See: Lighting and Horns/Headlamp/Service and Repair/Removal and Replacement/Headlamp Replacement
(Escalade Platinum))Headlamp Replacement (Non HID) (See: Lighting and Horns/Headlamp/Service and Repair/Removal and
Replacement/Headlamp Replacement (Non HID))
* Repeater Lamp Replacement (Escalade) (See: Lighting and Horns/Turn Signals/Turn Signal Lamp/Service and Repair/Repeater Lamp
Replacement (Escalade))
* Front Side Marker Lamp Replacement (Yukon) (See: Lighting and Horns/Marker Lamp/Service and Repair/Front Side Marker Lamp
Replacement (Yukon))Front Side Marker Lamp Replacement (Tahoe, Avalanche) (See: Lighting and Horns/Marker Lamp/Service and
Repair/Front Side Marker Lamp Replacement (Tahoe, Avalanche))
* Parking and Turn Signal Lamp Replacement (Tahoe, Avalanche) (See: Lighting and Horns/Parking Lamp/Service and Repair/Parking and
Turn Signal Lamp Replacement (Tahoe, Avalanche))Parking and Turn Signal Lamp Replacement (Yukon) (See: Lighting and
Horns/Parking Lamp/Service and Repair/Parking and Turn Signal Lamp Replacement (Yukon))
* Tail Lamp Replacement (Avalanche) (See: Lighting and Horns/Tail Lamp/Service and Repair/Tail Lamp Replacement (Avalanche))Tail
Lamp Replacement (GMC Yukon Two-Mode Hybrid) (See: Lighting and Horns/Brake Lamp/Brake Light Bulb/Service and Repair/Tail
Lamp Replacement (GMC Yukon Two-Mode Hybrid))Tail Lamp Replacement (Chevrolet Tahoe Two-Mode Hybrid) (See: Lighting and
Horns/Brake Lamp/Brake Light Bulb/Service and Repair/Tail Lamp Replacement (Chevrolet Tahoe Two-Mode Hybrid))Tail Lamp
Replacement (Cadillac) (See: Lighting and Horns/Tail Lamp/Service and Repair/Tail Lamp Replacement (Cadillac))Tail Lamp Replacement
(Tahoe, Yukon) (See: Lighting and Horns/Brake Lamp/Brake Light Bulb/Service and Repair/Tail Lamp Replacement (Tahoe/Yukon))
* Control Module References (See: Testing and Inspection/Programming and Relearning) for BCM replacement, setup, and programming
With RPO Code T4Q
DTC B2600 (With T4Q)
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptor
DTC B2600 00
- Daytime Running Lamp Control Circuit
Diagnostic Fault Information
Mercedes Benz Diagnostic and Repair Information ,Wiring Diagrams. DTC. TSB. Types: TSB, DTC, Wiring Diagrams, OEM Procedures. Trusted by more than 400,000 technicians. OEM accurate fix for faster repairs. Repair Procedures and Labor Times. Factory Auto Repair info. Request A Demo Today. Factory-Correct Diagrams. Factory Part Numbers. Maintenance Schedules. Repair Procedures. Labor Times. Types: TSB, DTC.Mercedes,Mercedes,Benz,Mercedes-Benz UK,A,Class,B,Class,C,Class,E,Class,CLA,CLS,G,Class,GLA,A
Tuesday, December 3, 2019
2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 632
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