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Home >> Geo >> 1993 >> Storm Base, Standard >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Air Bag Restraint System >> Diagnostic Charts >> Codes 21 & 22 Both Current Steering Column Resistance Undetermined >> 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.
  1. 6)  Checks for an open in FORCE HIGH circuit No. 714.
  2. 7)  Checks whether fault is caused by a short from FORCE LOW circuit No. 688 to SENSE LOW circuit No. 752, or a faulty DERM.
WARNING: To avoid air bag deployment and injury when trouble shooting system, only use test equipment specified in diagnostic charts.
Fig 1: Flowchart, Codes 21 & 22 Both Current, Steer. Column Resis. Undetermined
G93A75333Courtesy of GENERAL MOTORS CORP.