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DTC B2274 ACC Monitor Malfunction: Description

This DTC is output when there is a problem in the ACCD output circuit, which is from the inside of the main body ECU to the ACC relay.

HINT:

When the main body ECU is replaced with a new one and the negative (-) battery terminal is connected, the power source mode becomes the IG-ON mode. When the battery is removed and reinstalled, the power source mode that was selected when the battery was removed is restored.

After the main body ECU is replaced, perform the registration procedures for the engine immobilizer system (See REGISTRATION ).

DTC DETECTION CONDITION AND TROUBLE AREA

DTC No. DTC Detection Condition Trouble Area
B2274 ACC relay actuation circuit inside main body ECU or other related circuit is malfunctioning
  • Main body ECU
  • ACC relay
  • Wire harness or connector
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