GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Express 🢒 Restraints 🢒 SIR 🢒 Enabling the SIR System
  1. Remove the key from the ignition.

    2. Object Number: 399187 Size: SH
  2. Connect the IP module yellow 2-way connector located under the instrument panel extension.
  3. Install the connector position assurance (CPA) to the IP module yellow 2-way connector.
  4. Install the passenger knee bolster. Refer to Passenger Knee Bolster Replacement in Instrument Panel, Gauges and Console.

    5. Object Number: 399181 Size: SH
  5. Connect the steering wheel module yellow 2-way connector located at the base of the steering column.
  6. Install the CPA to the steering wheel module yellow 2-way connector located at the base of the steering column.
  7. Install the driver knee bolster. Refer to Driver Knee Bolster Replacement in Instrument Panel, Gauges and Console.
  8. Install the AIR BAG Fuse to the IP fuse block.
  9. Staying well away from both air bags, turn ON the ignition, with the engine OFF.
    10. 9.1. The AIR BAG indicator will flash 7 times.
    9.2. The AIR BAG indicator will then turn OFF.
  10. Perform the Diagnostic System Check - SIR if the AIR BAG indicator does not operate as described.