Conditions for Clearing the DTC
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 VCIM detects the presence of a navigation antenna.
- A history DTC clears after 50 malfunction-free ignition cycles.
- The VCIM receives the clear DTC command from the scan tool.
DTC B2483 or B2484
| Step | Action | Values | 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 |
NOTE:
Using a DMM to measure the resistance of the navigation antenna coax from the center conductor to the outer shield while the antenna is still connected will damage the navigation antenna.
IMPORTANT:
Vehicle may be equipped with sectioned coax. Test each section and replace only the faulty section, not the entire length of coax.
|
- | Go to Step 3 | Go to Step 4 |
| 3 | Measure the resistance of the navigation antenna coax center conductor from end to end. Does the resistance measure greater than the specified value? |
1 Ω | Go to Step 4 | Go to Step 5 |
| 4 | Replace the navigation antenna coax. Did you complete the replacement? |
- | Go to Step 7 | - |
| 5 | Inspect for poor connections at the navigation antenna and 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 7 | Go to Step 6 |
| 6 | Replace the navigation antenna. Refer to Antenna Replacement - Cellular Communications/Digital Radio . Is the repair complete? |
- | Go to Step 7 | - |
| 7 |
|
- | Go to Step 8 | System OK |
| 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 | - |