2006 Mercury Mountaineer AWD Logo
Bonnie Rentz Posted on Sep 10, 2016
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2006 wrench light is on - 2006 Mercury Mountaineer AWD

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Jeff Armer

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  • Mercury Master 15,575 Answers
  • Posted on Sep 10, 2016
Jeff Armer
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Powertrain Malfunction (Wrench) Warning Indicator (base instrument cluster)
The instrument cluster receives the powertrain status from the PCM over the high speed CAN. When a powertrain system concern is detected, the PCM sends the instrument cluster a command signal to illuminate the powertrain malfunction (wrench) warning indicator. If the 4WD control module detects a failure with the 4WD drive system, the 4WD control module sends a message to the instrument cluster over the CAN to illuminate the powertrain malfunction (wrench) warning indicator. On 4.6L engines, if the transmission control module (TCM) detects a failure with the transmission, the TCM sends a message to the instrument cluster over the CAN to illuminate the powertrain malfunction (wrench) warning indicator.
better have it checked !
Bett

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