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P1859 Mercury Code - Transmission Transfer Case Contact Plate 'D' Open Circuit

- Code Popularity: 834 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1859 Mercury?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Transfer Case Shift Motor
  • Transfer Case Shift Motor harness is open or shorted
  • Transfer Case Shift Motor circuit poor electrical connection
⚠ Does your Mercury have Safety Recalls? → Check here

How to Fix the DTC P1859 Mercury?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1859 Mercury code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1859 Mercury Description

The Transmission Control Module (TCM) monitors the Transmission Transfer Case Contact Plate 'D'. The TCM sets the OBDII code when the Transmission Transfer Case Contact Plate 'D' is not to factory specifications.

OBDII Code P1859 Mercury - Transmission Transfer Case Contact Plate 'D' Open Circuit - AutoCodes.com
P1859 Mercury Code - Transmission Transfer Case Contact Plate 'D' Open Circuit

Need More Information on the Code?

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