Auxiliary discriminating sensor open, missing or shorted to battery

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 open
• Failed auxiliary discriminating sensor with an internal open
• Auxiliary discriminating sensor disconnected or missing from its mount
• Auxiliary discriminating sensor signal circuit shorted to battery voltage
• 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. Check that the auxiliary discriminating sensor is present and its connector is fully seated
4. Test the auxiliary discriminating sensor signal circuit for an open and for a short to battery
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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