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Home >> Pontiac >> 1993 >> Bonneville SE >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Air Bag Restraint System - SSE & SSEI >> Diagnostic Charts >> Code 28 (Chart 1) - Current Sink Or Source Failure >> Action Taken

Action Taken

DERM turns on INFLATABLE RESTRAINT indicator light.

NOTE: Test numbers refer to test numbers on diagnostic chart. For circuit number identification, see WIRING DIAGRAMS.
WARNING: To avoid air bag deployment while troubleshooting the SIR system, only use test equipment specified in diagnostic charts. Under no circumstances should battery powered test equipment or test light be used. Carefully follow all instructions.
  1. Checks if fault is in steering column.
  2. Checks for proper terminal contact at steering column connector.
  3. Checks if fault is in driver inflator module or SIR coil.
Fig 1: Code 28 (Chart 1) - Current Sink Or Source Failure
G92G24287Courtesy of GENERAL MOTORS CORP.