AutoCodes – Ford – P20C7 Ford

P20C7 Ford Code - Reductant Heater 'D' Control Circuit Low

Quick Answer

The reductant heater and sender assembly contains pickup tube for reductant pump module, an electric heating element, a reductant temperature sensor and an electrode type level sensor. Common causes include Faulty Reductant Heater, Reductant Heater harness is open or shorted, Reductant Heater 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: P20C7 Ford indicates Reductant Heater 'D' Control Circuit Low.
Common causes: Common causes include Faulty Reductant Heater, Reductant Heater harness is open or shorted, Reductant Heater 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 1,490

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 Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P20C7 Ford Description

The reductant heater and sender assembly contains pickup tube for reductant pump module, an electric heating element, a reductant temperature sensor and an electrode type level sensor. The heating element is directly above pickup tubes inlet filter. When reductant temperature sensor detects the diesel exhaust fluid temperature dropping to the freezing point of 12Â°F (-11Â°C), the Powertrain Control Module (PCM) will command the glow plug control module to provide voltage to heating element. The heating element thaws liquid reductant within reductant heater and sender assembly reservoir during cold ambient temperatures.

OBDII Code P20C7 Ford - Reductant Heater 'D' Control Circuit Low - AutoCodes.com — P20C7 Ford Code - Reductant Heater 'D' Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC P20C7 Ford?

Faulty Reductant Heater
Reductant Heater harness is open or shorted
Reductant Heater circuit poor electrical connection

How to Fix the DTC P20C7 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 P20C7 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 P20C7 Ford code?

Need more information on how to fix the P20C7 Ford 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 P20C7 Ford Code

1. What are the common symptoms of OBDII code P20C7 Ford (Reductant Heater 'D' Control Circuit Low)?

- Common symptoms include the check engine light coming on, reduced engine performance, and potential issues with the vehicle's emissions system.

2. What could cause OBDII code P20C7 Ford to trigger?

- The code may be triggered by a malfunction in the reductant heater 'D' control circuit, such as a short circuit, wiring issue, or a faulty heater element.

3. How can I diagnose the cause of OBDII code P20C7 Ford?

- Diagnosing this code may involve checking the wiring and connections related to the reductant heater 'D', testing the heater element for proper function, and using a scan tool to analyze the system.

4. What are the potential risks of ignoring OBDII code P20C7 Ford?

- Ignoring this code may lead to increased emissions, reduced fuel efficiency, and potential damage to other components of the emissions system over time.

5. How can I repair OBDII code P20C7 Ford?

- Repairing this code may involve replacing the reductant heater 'D', repairing any damaged wiring or connections, and clearing the code with a scan tool after the issue is resolved.

6. Is it safe to continue driving with OBDII code P20C7 Ford present?

- It is generally not recommended to continue driving with this code present, as it may lead to further issues with the vehicle's emissions system and overall performance.

7. Can a DIY enthusiast fix OBDII code P20C7 Ford at home?

- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this code at home. However, professional assistance may be necessary in some cases.

8. How long does it typically take to repair OBDII code P20C7 Ford?

- The repair time for this code can vary depending on the underlying cause and the complexity of the repair. It may take anywhere from a few hours to a full day to resolve the issue.

9. Are there any preventive measures to avoid OBDII code P20C7 Ford in the future?

- Regular maintenance of the vehicle's emissions system, including checking for any signs of wear or damage to the reductant heater components, can help prevent this code from occurring in the future.

10. Can OBDII code P20C7 Ford be a recurring issue?

- If the underlying cause of the code is not properly addressed during repairs, it is possible for OBDII code P20C7 Ford to recur. Ensuring thorough diagnosis and comprehensive repairs can help prevent recurrence.