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DTC B2274: ACC Monitor Malfunction: Description

This DTC is stored when there is a problem in the ACC output circuit. The ACC circuit is the circuit that goes from inside the power management control ECU to the ACC relay.

DTC No. DTC Detection Condition Trouble Area
B2274 The ACC relay actuation circuit inside the power management control ECU or other related circuit is malfunctioning.
  • AM2 fuse
  • Power management control ECU
  • Instrument panel junction block assembly (ACC relay, P/POINT relay)
  • Wire harness or connector
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