Where are these sensors located and how to change them.

Tiny
FREDJOHNSON
  • MEMBER
  • 2002 DODGE CARAVAN
  • 209,000 MILES
My 2002 dodge grand caravan doesn't shift properly and jerks when down shifting. I was told it could be the elec, sensors. Where are they located and are they hard to change? Thank you
Friday, September 21st, 2012 AT 5:45 PM

6 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Lets start with what codes do you have?
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Friday, September 21st, 2012 AT 5:51 PM
Tiny
FREDJOHNSON
  • MEMBER
  • 1 POST
1698 0442 0455
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Friday, September 21st, 2012 AT 6:11 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
So is there a P in front of those numbers?
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Friday, September 21st, 2012 AT 6:32 PM
Tiny
RONSON
  • MEMBER
  • 76 POSTS
I had this same type of problem on my 2000 caravan about 8 years ago. A friend of mine was a transmission mechanic for chrysler for years and had me unplug the sensor on the trans. That he said was for smog related signal and it has ran fine ever since. I want to say if I remember right it was located on the front side of the trans. Near the back of the block. IT'S been a while though. If I get a chance to crawl under in the next few days I will send you an update.
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Monday, October 1st, 2012 AT 6:34 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Ignore the previous advice as it is nonsense.

Of those 3 codes, only the first one has anything to do with the operation of the vehicle. The second 2 are EVAP emission codes. The P1698 indicates that the PCM is losing communication with the TCM which probably means the TCM is going bad but could be a wiring issue also.
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Monday, October 1st, 2012 AT 10:14 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
The p0455 could be a stuck open canister purge solenoid.I agree with wrenchtech ronsons reply doesnt make sense.
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Monday, October 1st, 2012 AT 5:14 PM

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