AutoCodes – Ford – P2686 Ford

P2686 Ford Code - Actuator Supply Voltage 'C' Circuit High

Quick Answer

The Powertrain Control Module (PCM) monitors the transmission solenoid circuits by supplying voltage to the solenoids through this circuit, then checking for voltage returning from the solenoids through each of the individual solenoid control wires. Common causes include Faulty Transmission Solenoids, Transmission Solenoids harness is open or shorted, Transmission Solenoids 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: P2686 Ford indicates Actuator Supply Voltage 'C' Circuit High.
Common causes: Common causes include Faulty Transmission Solenoids, Transmission Solenoids harness is open or shorted, Transmission Solenoids 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 1,438

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 25, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2686 Ford Description

OBDII Code P2686 Ford - Actuator Supply Voltage 'C' Circuit High - AutoCodes.com — P2686 Ford Code - Actuator Supply Voltage 'C' Circuit High

What does this mean?

What are the Possible Causes of the DTC P2686 Ford?

Faulty Transmission Solenoids
Transmission Solenoids harness is open or shorted
Transmission Solenoids circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P2686 Ford?

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 P2686 Ford 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 P2686 Ford code?

Need more information on how to fix the P2686 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2686 Ford code diagnosed by a professional: Find a repair shop in your area

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 P2686 Ford Code

1. What are the common symptoms of OBDII code P2686 (Ford) - Actuator Supply Voltage 'C' Circuit High?

- Common symptoms include engine stalling, rough idling, poor acceleration, and the Check Engine light illuminating.

2. What are the possible causes of OBDII code P2686 (Ford) - Actuator Supply Voltage 'C' Circuit High?

- Possible causes may include a faulty actuator, damaged wiring or connectors, a malfunctioning powertrain control module (PCM), or a loose electrical connection.

3. How can I diagnose OBDII code P2686 (Ford) - Actuator Supply Voltage 'C' Circuit High?

- Diagnosis typically involves using an OBDII scanner to read the fault code, checking the actuator and related components for damage, and conducting a thorough inspection of the wiring and connectors.

4. Can I still drive my vehicle with OBDII code P2686 (Ford) - Actuator Supply Voltage 'C' Circuit High?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage and potential safety hazards. It's best to address the issue promptly.

5. How can I repair OBDII code P2686 (Ford) - Actuator Supply Voltage 'C' Circuit High?

- Repairing this code may involve replacing a faulty actuator, repairing damaged wiring or connectors, resetting the PCM, or addressing any loose connections.

6. Will resetting the PCM clear OBDII code P2686 (Ford) - Actuator Supply Voltage 'C' Circuit High?

- Resetting the PCM may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to return. It's important to diagnose and repair the root cause of the problem.

7. Can a DIY enthusiast fix OBDII code P2686 (Ford) - Actuator Supply Voltage 'C' Circuit High?

- Depending on their skill level and access to tools, a DIY enthusiast may be able to address this code by following repair guides and procedures. However, professional assistance is recommended for complex issues.

8. Is OBDII code P2686 (Ford) - Actuator Supply Voltage 'C' Circuit High a serious problem?

- While the severity of the problem can vary, it is important to address this code promptly to prevent potential engine damage, poor performance, and safety risks.

9. How much does it cost to repair OBDII code P2686 (Ford) - Actuator Supply Voltage 'C' Circuit High?

- The cost of repairing this code can vary depending on the extent of the issue, the parts needed for replacement, and the labor rates of the repair shop. It's advisable to obtain quotes from different mechanics.

10. Can a bad battery cause OBDII code P2686 (Ford) - Actuator Supply Voltage 'C' Circuit High?

- A weak or faulty battery can potentially cause electrical issues that may trigger this code. It's recommended to ensure the battery is in good condition as part of troubleshooting this problem.