P085A

2017-10-10

Description:

  • Communication issue detected in the gear system circuit

Possible Symptoms:

  • Excessive Fuel Consumption

  • Fail an emissions inspection

  • Transmission may not shift at all

Possible Causes:

  • Wiring problem

  • Mismatched components

  • Excessive moisture levels in the gear shift module sensor connector

Related Parts:

  • Gear Shift Module: Gear shift module controls the gear shifting system. This car's module has a problem which may cause difficulty in shifting gears

Possible Solutions:

  • Begin with a visual inspection of all wiring and connectors. Repair or replace damaged, disconnected, shorted, or corroded wiring, connectors, and components as necessary

  • Check the FICM supply voltage circuit

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