VIDEO

Acura DTC

Acura DTC P0151

Manufacture

Acura DTC

Code

P0151

Definition

HO2S-21 (Bank 2 Sensor 1) Circuit Low Input

Description

Engine started, engine running in closed loop at cruise speed in D4 D5 position, and the PCM detected the HO2S signal was fixed at less than 0.10v during the CCM test. Note: The actual value where the code sets is in the PCM memory.

Cause

  • HO2S signal circuit is openHO2S signal circuit is shorted to groundHO2S ground circuit is openHO2S may be contaminated or may have failedPCM has failed

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