Test Description
WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
The numbers below refer to the step numbers on the diagnostic table.
- 2: This step determines if an open or short to ground exists.
- 3: This step determines if a short to ground exists in the lamp wiring or internally within the BCM.
- 4: This test determines if an open exists in the TBC 3 battery positive voltage circuit, the courtesy lamp supply voltage circuit, or internally within the BCM.
- 6: After replacement of the BCM you must calibrate the new module for proper operation.
DTC B2615
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Interior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views or Computer/Integrating Systems Connector End Views |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Inspect the TBC 3 fuse in the rear fuse block. Is the fuse good? |
Go to Step 4 | Go to Step 3 |
| 3 | Test the TBC 3 battery positive voltage and courtesy lamp supply voltage circuits for a short to ground. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 7 | Go to Step 5 |
| 4 | Test the TBC 3 battery positive voltage and courtesy lamp supply voltage circuits for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 7 | Go to Step 5 |
| 5 | Inspect for poor connections at the harness connectors of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 7 | Go to Step 6 |
| 6 | Replace the BCM. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 7 | - |
| 7 |
|
Go to Step 2 | System OK |