B0036 – Open, Missing, or Shorted to Battery Auxiliary Discriminating Sensor

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B0036 Possible Causes

  • Faulty auxiliary discriminating sensor (ADS)
  • Auxiliary discriminating sensor circuit open or shorted
  • Poor electrical connection in auxiliary discriminating sensor circuit
  • Faulty sensing and diagnostic module (SDM)

How is B0036 Code Repair Done?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

  • Airbag warning light illuminated

B0036 Meaning

The inflatable restraint sensing and diagnostic module (SDM) monitors the front-end sensor circuit of the inflatable restraint system for front impact detection. The SDM processes the signal provided by the front sensor to further support airbag deployment. The front sensor is an input only to the SDM and does not directly cause airbag deployment. When the ignition is turned ON, the SDM performs continuous diagnostic tests on the deployment loops to check circuit continuity and shorts to ground or voltage. If a malfunction is detected, a diagnostic trouble code (DTC) will be stored.

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