P0837

2017-10-10

Description:

  • The fault code P0837 indicates a range or performance issue in the four-wheel drive (4WD) switch circuit. This code typically suggests an issue with the electrical circuitry or connection associated with the 4WD switch, which is responsible for engaging or disengaging the four-wheel drive system in a vehicle.

Possible Symptoms:

  • Malfunction Indicator Lamp (MIL) or Check Engine Light illuminated

  • Inability to engage or disengage the four

  • wheel drive system

  • Inconsistent operation of the 4WD switch

  • Erratic behavior of the vehicle during four

  • wheel drive engagement

  • Potential limited drivability due to the range or performance issue in the 4WD switch circuit

Possible Causes:

  • Faulty 4WD switch

  • Wiring or connection problems in the 4WD switch circuit

  • Loose or corroded connectors in the 4WD system

  • Faulty transfer case control module

  • Intermittent issues with the 4WD switch mechanism

Related Parts:

  • Four Wheel Drive Switch: Four Wheel Drive Switch engages the four wheel drive when required by the user. This car's switch has a problem which will lead to poor engine performance & wheel slipping

Possible Solutions:

  • Test and replace the faulty 4WD switch, if necessary

  • Inspect and repair the 4WD switch circuit for any issues, such as damaged wires or connectors

  • Ensure the connectors in the 4WD system are secure and free from corrosion

  • Test and replace the faulty transfer case control module, if necessary

  • Inspect the 4WD switch mechanism for any intermittent issues and repair as needed

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