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Acura DTC

Acura DTC B1779

Manufacture

Acura DTC

Code

B1779

Definition

HFL Switch (HFL TALK HFL BACK Buttons) Circuit Open Short

Description

HFL Switch Open Short circuit. NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN system diagnosis test mode A.

Cause

  • Faulty Cable Reel SubharnessShort to power Open circuit between the switch, cable reel, and HandsFreeLink control unitOpen in the wire between the switch, cable reel, and the audio unitFaulty HandsFreeLink control unit

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