Auxiliary discriminating sensor circuit closed or shorted to ground

Category

Body

Severity

Airbag Light

Applies to

Chevrolet, GMC, Buick, Cadillac, Pontiac, Oldsmobile and Saturn models that use this code

Related

No single generic twin. See OBD Codes List

Findings, check these first

• Auxiliary discriminating sensor signal circuit shorted to ground
• Failed auxiliary discriminating sensor with an internal short
• Corroded or loose auxiliary discriminating sensor connector
• Auxiliary discriminating sensor harness chafed against a body bracket
• Faulty input inside the sensing and diagnostic module

Standard procedure

1. Confirm the code with a Tech2 or GDS2 and read the auxiliary discriminating sensor status
2. Disconnect the battery and wait at least three minutes before touching any SRS circuit
3. Inspect the auxiliary discriminating sensor connector and mounting for damage and corrosion
4. Test the auxiliary discriminating sensor signal circuit for a short to ground
5. Replace the auxiliary discriminating sensor only if the circuits test good, using a qualified SRS technician
6. Clear the code and retest

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