VIDEO

Acura DTC

Acura DTC B1806

Manufacture

Acura DTC

Code

B1806

Definition

Power Seat Control Unit Lost Communication with MICU (MICU Message)

Description

Poor communication between the Power Seat Control Unit and the MICU. NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A. If DTCs B1055, B1057, B1157, B1159, B1255, B1355, B1955, B2155, B2156, and B2161 are also indicated, perform the MICU input test. If no additional codes are present. perform the Power Seat Control Unit input test.

Cause

  • Loose or poor connection between the Power Seat Control Unit and the MICUBlown fuse in the main under-hood fuse boxBlown fuse in the under-dash fuse relay boxOpen circuit between the Power Seat Control Unit and the MICUPoor groundFaulty Power Seat Control UnitFaulty MICU, replace the under-dash fuse relay box

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