NHTSA — Power Train: Automatic Transmission: Control Module (Tcm, Pcm) Problems

10.0

really awful
Crashes / Fires:
1 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
0 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

1999 Mercury Grand Marquis transmission problems

transmission problem

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1999 Mercury Grand Marquis Owner Comments

problem #2

Apr 012001

Grand Marquis

  • miles

A D V E R T I S E M E N T S

The auto produced an uncontrollable skid while braking on a wet road and proceeding around a ramp. Rather than proceed left while turning on the ramp requiring only a minor negotiation of a slight hilled and curved road, it proceeded into a right diagonal turn into the guard rail and would have plunged into the adjacent ditch absent the rail. It then bounced off the rail and rather than proceed straight as the steering wheel directed it with a slight turn of the wheel, it took a sharp left diagonally proceeding straight towards the median strip of oncoming traffic less than an approximate 1/4 of a mile away. It suddenly took a straight path after veering within 1/2 yard of the guard rail separating it from the median strip. It had been directed to go straight by the steering wheel much earlier before leaving the ramp. The car performed like an uncontrollable roller coaster off of its tracks.

- Woodbridge, VA, USA

problem #1

May 242001

Grand Marquis

  • miles
The precision trac system fails and the cars loses all power to proceed, in any weather, and an 18 wheeler is coming from behind as you try to merge into traffic and you can't get out of the way. The dealer repaired the transmission the 1st time this happened and now that the exact same thing is happening, they say they can't find the problem. It is very dangurous to drive and I have no other car and can't afford a new one. Please help.

- North Little Rock, AR, USA

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