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Home >> Toyota >> 2011 >> Camry Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 518 (Supplemental Restraint System (Diagnostic Codes (B1000/31- B1656/38)) (Except Hybrid)) >> Airbag System >> DTC B161A/8A: Lost Communication with Front Satellite Sensor Bus >> Description

DTC B161A/8A: Lost Communication with Front Satellite Sensor Bus: Description

WARNING: This page is about a different car, the 2013 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.

The front collision sensor circuit (front airbag sensor RH circuit and front airbag sensor LH circuit) is composed of the airbag sensor assembly, front airbag sensor RH and front airbag sensor LH.

The front airbag sensor RH and front airbag sensor LH detect impacts to the vehicle and send signals to the airbag sensor assembly to determine if the airbag should be deployed.

DTC B161A/8A is stored when a malfunction is detected in the front collision sensor circuit (front airbag sensor RH circuit and front airbag sensor LH circuit).

DTC No. DTC Detection Condition Trouble Area
B161A/8A
  • The airbag sensor assembly receives a line short circuit signal, an open circuit signal, a short circuit to ground signal or a short circuit to B+ signal in the front collision sensor circuit (front airbag sensor RH circuit and front airbag sensor LH circuit).
  • Front airbag sensor RH malfunction
  • Front airbag sensor LH malfunction
  • Airbag sensor assembly malfunction
  • Instrument panel wire
  • Engine room main wire
  • Front airbag sensor RH
  • Front airbag sensor LH
  • Airbag sensor assembly