# P0138 on the 2010 Toyota Camry

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0138

- [10153198](https://open.wenmarpro.com/bulletins/10153198), 2019-02-19: TSB: 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 this bulletin to address this condition.
- [10132202](https://open.wenmarpro.com/bulletins/10132202), 2018-04-02: Some vehicles may exhibit a MIL ?ON? Diagnostic Trouble Code \(DTC\) P0138 and/or P0158 \(Oxygen Sensor Circuit High Voltage Bank 1 or 2\). In some instances a P2195 or P2197 \(A/F Sensor Signal Stuck Lean\) DTC may also be present. This condition may be caused by incorrect Air Fuel Ratio Sensor response. Additionally, a P0606 \(ECM/PCM Processor\) DTC may be present due to incorrect Oxygen Sensor operation. The following repair procedures should be used to properly diagnose and repair this condition.