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Home >> Cadillac >> 2007 >> CTS Base, 3.6 7, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 332 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B2474 >> Test Description
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Test Description

WARNING: This page is about a different car, the 2007 Cadillac XLR. 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. 1:  This step determines if the malfunction is present.
  2. 2:  This step verifies that the DTC sets under normal operating conditions.
DTC B2474

Step Action Yes No
1  Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2 
  1. Turn OFF the ignition.
  2. Allow the navigation radio to cool for one hour.
  3. Turn ON the ignition with the engine OFF.
  4. Retrieve DTCs from the navigation radio.
Is B2474 a current DTC?		 Go to Step 3  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
3 Replace the navigation radio. Refer to Control Module References in Computer/Integrating Systems.
Did you complete the replacement?		 Go to Step 4  -
4
  1. Use the scan tool in order to clear the DTC.
  2. Operate the vehicle according to the Conditions for Running the DTC in the supporting text.
Does the DTC reset?		 Go to Step 2  System OK
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