AutoCodes – Mercury – P1863 Mercury

P1863 Mercury Code - Transmission Transfer Case Contact Plate Power Open Circuit

Quick Answer

The Transmission Control Module (TCM) monitors the Transmission Transfer Case System. Common causes include Faulty Transfer Case Shift Motor, Transfer Case Shift Motor harness is open or shorted, Transfer Case Shift Motor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1863 Mercury indicates Transmission Transfer Case Contact Plate Power Open Circuit.
Common causes: Common causes include Faulty Transfer Case Shift Motor, Transfer Case Shift Motor harness is open or shorted, Transfer Case Shift Motor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 885

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 31, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1863 Mercury Description

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

OBDII Code P1863 Mercury - Transmission Transfer Case Contact Plate Power Open Circuit - AutoCodes.com — P1863 Mercury Code - Transmission Transfer Case Contact Plate Power Open Circuit

What does this mean?

What are the Possible Causes of the DTC P1863 Mercury?

Faulty Transfer Case Shift Motor
Transfer Case Shift Motor harness is open or shorted
Transfer Case Shift Motor circuit poor electrical connection

How to Fix the DTC P1863 Mercury?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1863 Mercury code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1863 Mercury code?

Need more information on how to fix the P1863 Mercury code? Get Access to Factory Service Manuals

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1863 Mercury Code

1. What are the common symptoms of OBDII code P1863 in a Mercury vehicle?

The common symptoms of OBDII code P1863 in a Mercury vehicle may include issues with shifting gears, transmission slipping, reduced power, and warning lights on the dashboard.

2. What does the OBDII code P1863 indicate in a Mercury vehicle?

OBDII code P1863 in a Mercury vehicle indicates a power open circuit in the transmission transfer case contact plate.

3. What are the potential causes of OBDII code P1863 in a Mercury vehicle?

The potential causes of OBDII code P1863 in a Mercury vehicle may include damaged wiring, a faulty contact plate, a malfunctioning transfer case motor, or a poor electrical connection.

4. How can I diagnose OBDII code P1863 in my Mercury vehicle?

Diagnosing OBDII code P1863 in a Mercury vehicle involves using an OBDII scanner to retrieve the code, inspecting the wiring and contact plate for damage, testing the transfer case motor, and checking for any loose connections.

5. Can I continue driving my Mercury vehicle with OBDII code P1863?

It is not recommended to continue driving your Mercury vehicle with OBDII code P1863, as it can lead to further damage to the transmission system and potentially cause safety hazards. It is best to address the issue promptly.

6. How can I repair OBDII code P1863 in my Mercury vehicle?

Repairing OBDII code P1863 in a Mercury vehicle may involve repairing or replacing damaged wiring, replacing the contact plate or transfer case motor if necessary, and ensuring all connections are secure.

7. Are there any DIY tips for fixing OBDII code P1863 in a Mercury vehicle?

While diagnosing and repairing OBDII code P1863 may require technical expertise, DIY enthusiasts can start by checking for visible damage to the wiring and contact plate, and ensuring all connections are tight and secure.

8. Can a mechanic help me fix OBDII code P1863 in my Mercury vehicle?

Yes, a qualified mechanic with experience in diagnosing and repairing transmission issues can help you fix OBDII code P1863 in your Mercury vehicle efficiently and effectively.

9. How much does it cost to repair OBDII code P1863 in a Mercury vehicle?

The cost to repair OBDII code P1863 in a Mercury vehicle can vary depending on the extent of the damage, parts needed for replacement, and labor costs. It is advisable to get a diagnosis and repair estimate from a trusted mechanic.

10. Is OBDII code P1863 a common issue in Mercury vehicles?

While OBDII code P1863 related to the transmission transfer case contact plate power open circuit may not be as common as other codes, it is still important to address the issue promptly to prevent further damage to the transmission system.