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Home >> Cadillac >> 2003 >> Seville STS >> Repair and Diagnosis >> External Pages >> Different car >> Section 406 (Navigation Systems) >> Diagnostic Information and Procedures >> DTC B2475: Auxiliary Detection Signal Circuit Open >> Test Description
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Test Description

WARNING: This page is about a different car, the 2003 Cadillac DeVille. 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.
  2. Tests the auxiliary detection signal for the correct voltage range.
Fig 1: DTC B2475 Diagnosis Procedure
G02099222Courtesy of GENERAL MOTORS CORP.