5.4

fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
17,300 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.

2004 Mercury Grand Marquis transmission problems

transmission problem

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2004 Mercury Grand Marquis Owner Comments

problem #1

Nov 162005

Grand Marquis 8-cyl

  • Automatic transmission
  • 17,300 miles

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

Stopped at red light. Engine stopped. Could not restart. Was towed to Lincoln/Mercury dealer. Diagnosis indicated failure of powertrain command module. According to service manager this failure could take place at any time or place and at any speed. Subsequent to this the heater motor blower control unit failed.

- Columbus, NJ, USA

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