LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Honda >> 2021 >> Insight EX >> Repair and Diagnosis >> Brakes >> Traction Control >> VSA System - Advanced Diagnostics >> Advanced Diagnostics >> DTC P1A89 >> General Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P1A89: General Description

GHH388727Courtesy of HONDA, U.S.A., INC.

The power control unit (PCU) controls the voltage control unit (VCU) output based on the V1 voltage sensor signals. If the signal voltage from the V1 voltage sensor exceeds a set value for a specified time, the motor control module in the PCU detects a malfunction and stores a DTC.