Symptom Chart

2010 Mercury Mariner Hybrid, AWDSECTION Symptom Chart
WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Chart

Condition Possible Sources Action
  • No communication with the powertrain control module (PCM)
  • Circuitry
  • PCM
  • The speed control is inoperative
  • Fuse
  • Circuitry
  • Powertrain control module (PCM) not configured for speed control
  • Clockspring
  • PCM
  • Speed control switch
  • The speed control switch is inoperative
  • PCM
  • Speed control switch
  • The speed control indicator lamp is always on
  • Circuitry
  • Instrument cluster
  • PCM
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.