DTC P1270

WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 1999 Mercury Tracer, 1999 Mercury Sable, 1999 Mercury Mystique, 1999 Mercury Mountaineer, and 1999 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.

This DTC indicates that engine or vehicle speed has exceeded calibrated limit. Possible causes are:

Wheel slippage caused by mud, ice, water, snow, etc.
Over revved engine in Neutral.
Vehicle driven at excessive rate of speed.

If any of the specified causes have occurred, system is okay. Clear PCM memory. Ensure vehicle owner has an understanding of what causes DTC P1270 to set. If none of specified causes have occurred, clear PCM memory. Check for other driveability concerns. See TROUBLE SHOOTING - NO CODES - EEC-V article. Repair as necessary.