Test Description
WARNING: This page is about a different car, the 2007 Pontiac Grand Prix. 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.
- 1: Determines if the malfunction is present.
- 3: Tests for an open in the vehicle speed signal circuit between the cruise control and the navigation radio. A short would cause the cruise control to malfunction as well as the navigation system.
DTC B0001
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Radio/Navigation System Schematics | |||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 | Verify the cruise control operation. Does the cruise control operate properly? |
Go to Step 3 | Go to Diagnostic Starting Point - Cruise Control |
| 3 | Test the vehicle speed signal circuit for an open between the cruise control and the navigation radio. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 6 | Go to Step 4 |
| 4 | Inspect for poor connections at the harness connector of the navigation radio. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 6 | Go to Step 5 |
| 5 | Replace the navigation radio. Refer to Control Module References
in setup, and programming. Did you complete the replacement? |
Go to Step 6 | - |
| 6 |
|
Go to Step 2 | System OK |