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Acura DTC

Acura DTC P2255

Manufacture

Acura DTC

Code

P2255

Definition

Front A F Sensor (Bank 2, Sensor 1) VS Circuit Low Voltage

Description

With engine running the VSB2 terminal voltage is 0.3 V or less, and the IPB2 terminal voltage is 1 V or more, for at least 5 seconds after the sensor is active, 85 seconds before the sensor becomes active. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.

Cause

  • Poor connections or loose terminals at the A F sensor (Sensor 1) and the PCMShort circuit between the PCM and the A F sensor (Sensor 1)Faulty A F sensor (Sensor 1) PCM may need to be updated with the latest softwareFaulty PCM

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