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Diagnostic Aids

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Inspect for a short between the Passlock sensor power circuit and the Passlock sensor ground circuit, or a short to ground on the Passlock sensor power circuit.

Inspect for a short to battery on the passlock sensor power circuit with the ignition OFF.

Check for poor connections at the passlock sensor connector or the main steering column harness connector.

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