B1936 - Air Bag Driver Circuit Short To Ground Fault

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Driver Air Bag Module
  • Driver Air Bag Module harness is open or shorted
  • Driver Air Bag Module circuit poor electrical connection
  • Faulty Restraint Control Module (RCM)

Possible symptoms

  • Air Bag Warning Light ON

B1936 Description

The Restraints Control Module (RCM) checks all of the Driver Air Bag Circuits for faults. If the RCM detects a short to ground on the Driver Air Bag Module Squib 1 Circuits, it will store Diagnostic Trouble Code (DTC) B1936 in memory and illuminate the air bag indicator.
OBDII Code B1936 - Air Bag Driver Circuit Short To Ground Fault - AutoCodes.com

B1936 Information for specific makes

Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

  • Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
  • Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
  • Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
  • Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.
Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

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