Test Description
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
The number below refers to the step number on the diagnostic table.
- 2: This step tests the at rest state of the keypad signal circuit.
DTC B2482
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| Schematic Reference: OnStar Schematics Connector End View Reference: Entertainment/Communication Connector End Views |
||||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | - | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 |
|
0 V | Go to Step 3 | Go to Step 4 |
| 3 | Test the keypad signal circuit for a short to voltage or high resistance. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
- | Go to Step 9 | Go to Step 5 |
| 4 | Test the keypad supply voltage circuit for an open or short. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
- | Go to Step 9 | Go to Step 6 |
| 5 | Inspect for poor connections at the harness connector of the rearview mirror. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 9 | Go to Step 7 |
| 6 | Inspect for poor connections at the harness connector of the VCIM. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 9 | Go to Step 8 |
| 7 | Replace the rearview mirror. Refer to Rearview Mirror Replacement
. Did you complete the replacement? |
- | Go to Step 9 | - |
| 8 | Replace the VCIM. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
- | Go to Step 9 | - |
| 9 |
|
- | Go to Step 2 | System OK |