2004 MAZDA MPV - diagnosed at AUTOZONE Autozone tech diagnosed engine light/problem - result was troubleshooting code P706 defined as (1) open circuit condition and (2) failed TR switch, QUESTION: what is a "failed TR switch" - Autozone tech was not familiar with the component QUESTION: open circuit condition, Autozone tech advised plug may be dislodged or defective - please provide possible self-fix solutions and/or links providing self-fix instructions thank you
This means transmission range sensor circuit is not communicating correct data to the engine control module (ECM)
P0706 OBD II Trouble Code Transmission Range Sensor Circuit Range... , this link will explain your option's
SOURCE: my chk engine light came
your vehicle is driving good, not slipping etc... because what i can see from what im reading you have an electrical problem with the transmission wiring.. check the plugs that plug in the transmission, and follow them, im sure you will find something skint up somewhere.
EGR Solenoid Circuit
Possible Causes:
EGR solenoid ground circuit is open.EGR solenoid control circuit is open or shorted to ground or to voltage.EGR solenoid power circuit is open.EGR solenoid is damaged or has failed.http://www.autozone.com/autozone/parts/Duralast-EGR-Valve/2004-Chrysler-Pacifica-2WD/_/N-jlfixZ93xpy?itemIdentifier=857100_0_0_PCM has failed.HERE IS THE EGR VALVE.CLICK ON LINK TO VIEW.
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