Jeep cherokee 2001 , got two codes, nuetral safety switch and range sensor, replaced switch but keep getting sensor code, sensor tests fine as well as tcm...so we think it's electrical but don't know where to start.
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You have two oxygen sensors but 21 is upstream sensor. This is the sensor between engine and catalytic converter. There is three possible problems that it could be.
1 oxygen sensor input voltage maintained above the normal operating range.
2 no signal at 02 2/1 sensor
3 oxygen sensor input voltage sustained above thenormal operating range. What all this means is you need to replace the sensor.
when getting the replacement this is your O2 2/1 sensor.
Hi, you can see a full list of Jeep DTCs here: http://jsautosource.com/factory-manuals/dtc-definitions/full-list-of-all-definitions-for-dodge-chrystler-jeep-dtc-codes/
Your engine light will probably return immediately after clearing the codes until the P0700 is rectified. The 705 indicates your range sensor is out of adjustment or broken. The range sensor is mounted to the side of the transmission where the cable attaches. It may be adjustable. Normally, when the range sensor fails, the starter will not turn, because the sensor provides the park/neutral safety interlock to ensure the transmission is not in gear. Also, the range sensor usually includes the backup light switch. I usually adjust the sensor by putting the transmission in reverse, turning the key on, loosening the switch, and rotating it until the backup lights come on. Please let me know if you have questions and thanks for using FixYa.
P1762 1T CCM 1996-2003 Cherokee, Grand Cherokee
Governor Pressure Sensor Offset Volts Too High/Low Conditions: Key on
or engine running. Gear selector in Park or Neutral. PCM detected an
out-of-range Governor Pressure Sensor signal for 1.3 seconds. The fault
must occur 3 times on one trip to set a code. Possible Causes: Governor
pressure Sensor VREF (5v) circuit is open Governor pressure Sensor
ground circuit is open P/N switch is damaged or has failed (not
operating properly) Transmission fluid has excessive debris or it is
contaminated PCM has failed
yes a sensor, depending on the model it will be called a neutral safety switch or a transmission range sensor, check with your local parts store, get the part they list and get under your jeep and find it, usually on the drivers side of the trans
If you do not know what the codes are, it is O2 sensor. This means the computer is not reading the right information from the faulty sensor. (there is a set range the sensor is meant to show, if one goes over or under the computer shows check engine). The diagnostic is not too bad, give the car a tune up, plugs, wires etc. and replace the O2 sensor. This normally clears up any problems. Let me know if you need further clarification or help.
The range sensor will not cause the shifter to not come out of park. Check to see if your brake lamps work. There is a solenoid that is energized when the brakes are applied to allow the shifter to move from park. I would check fuses and the braek switch first before replacing anything. I hope this helps. Good luck.