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2004 FORD TAURUS
3.0L V6 Vulcan•FWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor487Torque3354Fluid7DTC1721Battery1Maintenance0Recalls2
P0954moderate severityPowertrain

Auto Shift Manual Control Circuit Intermittent

on 2004 Ford Taurus 3.0L V6 Vulcan · FWD

What this code means

The automatic shift manual control circuit is showing intermittent signal faults. The problem comes and goes, often due to loose or corroded connections.

Symptoms

  • Manual shift works intermittently
  • Occasional transmission warning light
  • Sporadic delayed gear changes

Common causes

  • Loose or corroded connectors
  • Chafed or intermittent wiring
  • Faulty shift selector switch
  • Failed transmission control module

Diagnostic steps

  1. Scan for intermittent codes and freeze frame data
  2. Wiggle test wiring while monitoring signal
  3. Inspect connectors for corrosion
  4. Test switch operation repeatedly
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