VIDEO

Acura DTC

Acura DTC B1843

Manufacture

Acura DTC

Code

B1843

Definition

Power Seat Control Unit Lost Communication with Power Tilt Telescopic Steering Control Unit (UART line)

Description

Poor communication between Power Seat Control Unit and the Power Tilt Telescopic Steering Control Unit. NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.

Cause

  • Check for loose or poor connectionsBlown fuse in the main under-hood fuse boxBlown fuse in the under-dash fuse relay boxOpen condition between Power Seat Control Unit and the Power Tilt Telescopic Steering Control UnitFaulty Power Seat Control UnitFaulty Power Tilt Telescopic Control Unit

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