Lexus A/F and O2

This bulletin applies to 2007-2010 Lexus ES350 and RX350 models. Some vehicles may exhibit a MIL on 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.
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Infiniti MIL

This TSB applies to Infiniti’s 2006-2012 G37 (and can apply to a host of other models). If the MIL is on with DTC P0603 stored in the ECM, this may have been set due to a previous low battery, dead battery or battery terminal disconnection.
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Honda 02 MIS-read

This bulletin applies to all 2005-2007 Honda Accord vehicles equipped with the L4 engine. The MIL may illuminate along with DTC P0139 stored (secondary heated oxygen sensor slow response).
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Raining on Saab parade

Some owners of 2005-2008 Saab 9-7X vehicles may comment on an intermittent MIL/SES light illuminated with a message center or an indicator that displays “Reduced Engine Power.” DTC P2138 (accelerator pedal position sensor 1-2 correlation) may be set.
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Nissan MIL

This TSB applies to all Nissan vehicles equipped with a Key Slot for an Intelligent Key. DTC B2190 (NATS ANTENNA AMP) can be stored for the following reasons:
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