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Acura DTC

Acura DTC P0154

Manufacture

Acura DTC

Code

P0154

Definition

Front Air Fuel Ratio (A F) Sensor (Bank 2, Sensor 1) Heater System Malfunction

Description

The execution time is continuous and the duration time is 40 seconds or more. Battery voltage minimum 10.5 volts. Malfunction determination 1: The front A F sensor (bank 2, sensor 1) internal resistance value is 200 or more for at least 40 seconds right after the engine starts. Malfunction determination 2: The front A F sensor (bank 2, sensor 1) internal resistance value is 270 or more for at least 1.0 second. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.

Cause

  • Poor connections or loose terminals at the A F sensor (bank 2, Sensor 1), the under-hood fuse relay box (PGM-FI subrelay) and the PCMOpen circuit between the PCM and the A F sensor Faulty A F Sensor (Bank 2, Sensor 1)PCM needs to be updated with the latest softwareFaulty PCM

_P0154  There are 0 products.