1993 Chrysler LeBaron Won't Upshift

1993 ALL OTHER MAKES ALL OTHER MODELS
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GARMSTRO
  • MEMBER
  • 1 POST
We have 107k on the 1993 LeBaron GTC convertible. It was hit in the passenger headlight area recently and we pounded, stretched and pulled to straighten it out, replaced the sheet metal, etc. We had to disconnect the computer module located on passenger side of engine compartment (near the front on the side wall) during the repair job. Now that the car is back together, it won't upshift to the top gear. Is the shifting controlled by that computer module? If so, could the impact have damaged it so that it the car won't shift properly now? Or is there some shift linkage that might have become bent?
Thanks.
Jun 12, 2006 at 12:46 PM
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VANDRAGON
  • ✓Experienced Mechanic
  • 298 POSTS
if you removed the computer, then you will have to get it scanned and reset.
Jun 23, 2006 at 12:40 AM
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PLOPPYSATOR
  • MEMBER
  • 23 POSTS
the ECM doesn't have en influence on the described problem. Please go to a Chrysler dealer of a transmission specialist and let them read out the transmission error codes. it could be, that only the solenenoid doesn't work properly anymore, but usually, when the tranny doesn't switch over the 2nd gear, it is a serious problem with the tranny
Oct 19, 2010 at 8:14 PM

Suggested Repair

Have the disconnected computer scanned and reset, and have a Chrysler dealer or transmission specialist read the transmission codes. A faulty shift solenoid is possible, but failure to upshift is often a more serious transmission problem.

Conversation Summary

A 1993 Chrysler LeBaron GTC convertible with 107,000 miles will not upshift into top gear after front-end collision repairs during which the engine-compartment computer was disconnected. One reply says the computer should be scanned and reset. Another says the ECM does not control this symptom and recommends reading transmission codes; a shift solenoid may be faulty, but failure to shift beyond second is often a serious transmission problem.

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