AutoCodes – Lincoln – P2685 Lincoln

P2685 Lincoln Code - Actuator Supply Voltage 'C' Circuit Low

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: P2685 Lincoln indicates Actuator Supply Voltage 'C' Circuit Low.
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 1,399

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 P2685 Lincoln Description

OBDII Code P2685 Lincoln - Actuator Supply Voltage 'C' Circuit Low - AutoCodes.com — P2685 Lincoln Code - Actuator Supply Voltage 'C' Circuit Low

What does this mean?

What are the Possible Causes of the DTC P2685 Lincoln?

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 P2685 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 P2685 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.

Need more information about the P2685 Lincoln code?

Need more information on how to fix the P2685 Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2685 Lincoln 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 P2685 Lincoln Code

1. What are common symptoms of OBDII code P2685 in a Lincoln?

- Common symptoms include engine misfires, rough idling, reduced engine performance, and the illumination of the Check Engine Light.

2. What can cause the Actuator Supply Voltage 'C' Circuit Low code in a Lincoln?

- Possible causes include a faulty actuator, damaged wiring or connectors in the circuit, a defective powertrain control module (PCM), or a weak battery.

3. How can I diagnose the Actuator Supply Voltage 'C' Circuit Low issue in my Lincoln?

- Diagnosis involves using an OBDII scanner to retrieve the trouble code, then inspecting the actuator, circuit wiring, connectors, and battery voltage to pinpoint the problem.

4. Can I still drive my Lincoln with OBDII code P2685 present?

- It is not recommended to drive your Lincoln with this code present, as it can lead to further damage or performance issues. It's best to address the issue promptly.

5. How serious is the Actuator Supply Voltage 'C' Circuit Low code in a Lincoln?

- While the severity can vary, this code should be addressed promptly to prevent potential engine damage or drivability issues in your Lincoln.

6. Are there any DIY repair tips for fixing OBDII code P2685 in a Lincoln?

- DIY repair tips include checking and cleaning the circuit connectors, inspecting for damaged wiring, and ensuring the actuator is functioning properly. However, professional diagnosis and repair may be necessary.

7. How much does it cost to repair the Actuator Supply Voltage 'C' Circuit Low issue in a Lincoln?

- Repair costs can vary depending on the exact cause of the problem, but expect to pay anywhere from $100 to $500 for parts and labor.

8. Can resetting the Check Engine Light resolve OBDII code P2685 in a Lincoln?

- Resetting the Check Engine Light may temporarily turn it off, but the underlying issue causing the code will likely persist. It's important to diagnose and address the root cause of the problem.

9. Is OBDII code P2685 covered under Lincoln's warranty?

- Depending on your Lincoln's warranty coverage and terms, the repair for this code may be covered. Check your warranty documentation or contact your dealership for more information.

10. Will driving my Lincoln with OBDII code P2685 cause further damage?

- Continuously driving your Lincoln with this code can potentially cause further damage to the engine or related components. It's best to address the issue promptly to avoid costly repairs in the future.