| Subject: | Interior Lights Inoperative After BCM Replacement B2618 DTC |
| Models: | 1999-2002 Chevrolet Silverado Pick Up |
| 1999-2002 GMC Sierra Pick Up |
| 1999-2002 Cadillac Escalade and Escalade EXT |
| 1999-2002 GMC Yukon, Yukon XL, Denali and Denali XL |
| 1999-2002 Chevrolet Astro Van |
| 1999-2002 Chevrolet Classic Blazer and S-10 Pick Up |
| 1999-2002 GMC Jimmy and Sonoma Pick Up |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
A customer may comment that the Interior lights are inoperative after BCM replacement and technicians may or may not find a DTC B2618 stored in the BCM.
Recommendation/Instructions:
If the interior lights are inoperative after programming or replacing the BCM check the list of calibrations inside the BCM and verify that the interior light calibration is present. If no calibration is present, please contact Techline at 800-828-6860
for a VCI number. To receive the correct calibration; have the correct part number of the new BCM available prior to contacting Techline.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
