AutoCodesFord – P0C27 Ford

P0C27 Ford Code - Electric Transmission Fluid Pump Motor Control Module

Quick Answer

The Electronic Transmission Fluid Auxiliary Pump is used to keep the transmission engaged when the engine is stopped and the transmission is in drive. Common causes include Faulty Electronic Transmission Fluid Auxiliary Pump, Electronic Transmission Fluid Auxiliary Pump harness is open or shorted, Electronic Transmission Fluid Auxiliary Pump 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
P0C27 Ford indicates Electric Transmission Fluid Pump Motor Control Module.
Common causes
Common causes include Faulty Electronic Transmission Fluid Auxiliary Pump, Electronic Transmission Fluid Auxiliary Pump harness is open or shorted, Electronic Transmission Fluid Auxiliary Pump 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 6,410
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 21, 2020
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Code P0C27 Ford Description

The Electronic Transmission Fluid Auxiliary Pump is used to keep the transmission engaged when the engine is stopped and the transmission is in drive. The Transmission Control Module (TCM) monitors the Electronic Transmission Fluid Auxiliary Pump Control Circuit. The TCM sets the OBDII code when the Electronic Transmission Fluid Auxiliary Pump Control Circuit signal is out of factory specifications.
OBDII Code P0C27 Ford - Electric Transmission Fluid Pump Motor Control Module - AutoCodes.com
P0C27 Ford Code - Electric Transmission Fluid Pump Motor Control Module

What are the Possible Causes of the DTC P0C27 Ford?

  • Faulty Electronic Transmission Fluid Auxiliary Pump
  • Electronic Transmission Fluid Auxiliary Pump harness is open or shorted
  • Electronic Transmission Fluid Auxiliary Pump circuit poor electrical connection

How to Fix the DTC P0C27 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 P0C27 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 P0C27 Ford code?

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Need Help with the Code?

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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 P0C27 Ford Code

1. What does the OBDII code P0C27 mean on a Ford vehicle?

The P0C27 code indicates an issue with the Electric Transmission Fluid Pump Motor Control Module, typically related to its performance or electrical circuitry.

2. What are the common symptoms of the P0C27 code in a Ford?

Symptoms may include erratic shifting, transmission overheating, illuminated check engine light, or decreased fuel efficiency.

3. What causes the P0C27 code to appear on a Ford?

Common causes include a faulty electric transmission fluid pump, damaged wiring or connectors, a malfunctioning control module, or low transmission fluid levels.

4. Can I still drive my Ford with the P0C27 code active?

Driving with the P0C27 code is not recommended, as it may lead to transmission damage or other performance issues if the pump isn’t functioning properly.

5. How is the P0C27 code diagnosed on a Ford?

A mechanic will use a scan tool to confirm the code, inspect the wiring and connectors, check the pump’s electrical circuits, and test the control module functionality.

6. How do I fix the P0C27 code on my Ford?

Repairs may involve replacing the electric transmission fluid pump, repairing damaged wiring, or reprogramming or replacing the control module.

7. Can low transmission fluid cause the P0C27 code?

Yes, low or contaminated transmission fluid can cause the electric pump to malfunction, potentially triggering the P0C27 code.

8. Is the P0C27 code specific to Ford vehicles?

While the code can appear on other makes, it is commonly associated with Ford vehicles equipped with electric transmission fluid pumps.

9. How much does it cost to repair the P0C27 code on a Ford?

The repair cost varies but typically ranges from $300 to $1,000, depending on whether the pump, wiring, or control module needs replacement.

10. Can clearing the P0C27 code fix the issue?

Clearing the code may turn off the check engine light temporarily, but it won’t address the underlying issue, which could lead to further damage.

Discuss the causes and fixes for P0C27 Ford OBDII Code

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