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2009-2012 Toyota Camry and Rav4 MIL ON DTC P0138 - A/F Sensor Stuck Lean (2AR Engine)

Discussion in 'Tech Help' started by MG, Jan 31, 2019.

  1. MG

    MG Moderator

    Some 2009 – 2012 model year RAV4 and 2010 – 2011 model year Camry vehicles equipped with 2AR-FE (non-PZEV) engines may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P0138 (Oxygen Sensor Circuit High Voltage [Bank 1 Sensor 2]). This condition may be caused by incorrect air fuel ratio sensor response. The Engine Control Module/ECM (SAE Term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring. Follow the Repair Procedure in bulletin T-SB-0151-18 to address this condition.

    The repair is to Reprogram ECM (PCM) and R & R Air Fuel Sensor with new part numbers 89467-42120 or 89467-06100.

    This repair is covered under the Toyota Federal Emission Warranty. This warranty is in effect for 96 months or 80,000 miles, whichever occurs first, from the vehicle’s in-service date.
     

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