AutoCodes – Lincoln – P1867 Lincoln

P1867 Lincoln Code - Transfer Case Contact Plate General Circuit Failure

Quick Answer

The Mode Select Switch (MSS) communicates the operator's choice to the Transfer Case Control Module (TCCM). Common causes include Faulty Transfer Case Control Module (TCCM), Transfer Case Control Module harness is open or shorted, Transfer Case Control Module 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: P1867 Lincoln indicates Transfer Case Contact Plate General Circuit Failure.
Common causes: Common causes include Faulty Transfer Case Control Module (TCCM), Transfer Case Control Module harness is open or shorted, Transfer Case Control Module 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 1,818

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 Aug 15, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1867 Lincoln Description

The Mode Select Switch (MSS) communicates the operator's choice to the Transfer Case Control Module (TCCM). As the TCCM commands the gearmotor encoder assembly to 4H mode, the transfer case shift fork moves to engage 4H mode which also engages the dual-cone synchronizers to bring the front driveline to the same speed as the rear driveline. The TCCM also activates the hublock vacuum solenoid, providing a vacuum and engaging the Constant Vacuum Hublock (CVH) at each front wheel. If the vehicle is not responding to the operator's intentions, systematically check the necessary inputs and outputs of the TCCM, components of the transfer case, CVH components, and axle shafts. Check all circuits for opens and shorts to power or ground.

OBDII Code P1867 Lincoln - Transfer Case Contact Plate General Circuit Failure - AutoCodes.com — P1867 Lincoln Code - Transfer Case Contact Plate General Circuit Failure

What does this mean?

What are the Possible Causes of the DTC P1867 Lincoln?

Faulty Transfer Case Control Module (TCCM)
Transfer Case Control Module harness is open or shorted
Transfer Case Control Module circuit poor electrical connection
Faulty Transfer case
Faulty Front axle assembly

How to Fix the DTC P1867 Lincoln?

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 P1867 Lincoln 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.

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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 P1867 Lincoln Code

1. What does the OBDII code P1867 mean on a Lincoln?

P1867 indicates a "Transfer Case Contact Plate General Circuit Failure," which points to an issue in the transfer case's electrical circuit responsible for controlling drivetrain modes.

2. What are the symptoms of the P1867 code on a Lincoln?

Common symptoms include the inability to shift between 4WD and 2WD modes, illuminated warning lights on the dashboard, and potential drivetrain performance issues.

3. What causes the P1867 code to appear?

The code can be triggered by a faulty transfer case contact plate, damaged wiring, corroded electrical connectors, or a malfunctioning transfer case control module.

4. How is the P1867 code diagnosed?

A technician will use a scan tool to confirm the code, inspect the transfer case contact plate and wiring, and test the continuity and voltage of the affected circuit.

5. Can I drive my Lincoln with the P1867 code?

While the vehicle might still be drivable, 4WD/2WD functionality could be impaired, which may affect performance in certain road conditions. Prompt repair is recommended.

6. How do you fix the P1867 code on a Lincoln?

Repairs often involve replacing the transfer case contact plate, repairing damaged wiring, cleaning corroded connectors, or reprogramming the transfer case control module if necessary.

7. How much does it cost to fix the P1867 code on a Lincoln?

Repair costs vary depending on the exact issue, but replacing the contact plate or repairing wiring could range from $200 to $600, including parts and labor.

8. Can a faulty transfer case contact plate cause other issues?

Yes, it can lead to erratic shifting between drivetrain modes, potential drivetrain damage, or reduced fuel efficiency if left unrepaired.

9. Will clearing the P1867 code fix the problem?

Clearing the code without addressing the underlying issue will only temporarily remove the warning. The code will likely return until the problem is resolved.

10. Is the P1867 code unique to Lincoln vehicles?

No, this code can also appear on other vehicles with similar transfer case systems, but the diagnosis and repair steps may differ slightly depending on the make and model.