Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCADILLAC2006SRX 4.6 A, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTINFOTAINMENTNAVIGATION SYSTEMSDIAGNOSTIC INFORMATION AND PROCEDURESDTC B0001TEST DESCRIPTION
2006 Cadillac SRX 4.6 A, AWD
Test Description
2006 Cadillac SRX 4.6 A, AWDSECTION Test Description
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 instrument cluster and the navigation radio. A short would cause the instrument cluster to malfunction as well as the navigation system.
DTC B0001
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Navigation System Schematics | |||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 | Verify the instrument cluster speedometer operation. Does the speedometer work on the instrument cluster? |
Go to Step 3 | Go to Diagnostic Starting Point - Instrument Panel, Gages and Console in Instrument Panel, Gages, and Console |
| 3 | Test the vehicle speed signal circuit for an open between the instrument cluster and the navigation radio. Refer to Circuit Testing
andWiring 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 Computer/Integrating Systems. Did you complete the replacement? |
Go to Step 6 | - |
| 6 |
|
Go to Step 2 | System OK |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.