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Home >> Audi >> 2018 >> A6 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 210 (Supplemental Restraint System (Diagnostic Codes & Circuit Tests)) >> Airbag System >> DTC B1660/43: Passenger Airbag ON/OFF Indicator Circuit Malfunction [08/2013 - ] >> Description

DTC B1660/43: Passenger Airbag ON/OFF Indicator Circuit Malfunction [08/2013 - ]: Description

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

The passenger airbag ON/OFF indicator circuit consists of the airbag sensor assembly and telltale light assembly (passenger airbag ON/OFF indicator).

The passenger airbag ON/OFF indicator indicates the operation condition of the front passenger airbag and front passenger side knee airbag.

DTC B1660/43 is stored when a malfunction is detected in the passenger airbag ON/OFF indicator circuit.

DTC No. DTC Detection Condition Trouble Area
B1660/43
  • 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 passenger airbag ON/OFF indicator circuit.
  • Telltale light assembly malfunction
  • Airbag sensor assembly malfunction
  • Instrument panel wire
  • Telltale light assembly (Passenger airbag ON/OFF indicator)
  • Airbag sensor assembly