Test Description

2006 Cadillac SRX 4.6 A, AWDSECTION Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. 1:  Determines if the malfunction is present.
  2. 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 
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
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
  1. Use the scan tool in order to clear the DTC.
  2. Drive the vehicle at least 4 km (2.5 mi) with the global positioning system (GPS) signal received.
  3. Leave vehicle running and retrieve DTCs.
Does the DTC reset?
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.