Engine-Codes.com
Engine-Codes – Generic – P208D

P208D Code - Reductant Pump Control Circuit High

Quick Answer

The P208D diagnostic trouble code (DTC) indicates a problem with the reductant pump control circuit being too high. Common causes include Faulty reductant pump, Wiring or connector issues in the reductant pump circuit, Corrosion or damage to the reductant pump control module. 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
P208D indicates Reductant Pump Control Circuit High.
Common causes
Common causes include Faulty reductant pump, Wiring or connector issues in the reductant pump circuit, Corrosion or damage to the reductant pump control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 06, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P208D Description

The P208D diagnostic trouble code (DTC) indicates a problem with the reductant pump control circuit being too high. The reductant pump is responsible for injecting a urea-based solution (commonly known as diesel exhaust fluid or DEF) into the exhaust stream to reduce harmful emissions. When the control circuit is reading too high, it means that there is an issue with the pump's operation, which can lead to increased emissions and potential failure to meet emission standards.

OBDII Code P208D - Reductant Pump Control Circuit High
P208D Code - Reductant Pump Control Circuit High

Common Causes of P208D

  1. Faulty reductant pump.
  2. Wiring or connector issues in the reductant pump circuit.
  3. Corrosion or damage to the reductant pump control module.
  4. Software or programming issues.
  5. Electrical system malfunctions.

Symptoms of P208D

  1. Check engine light illuminated on the dashboard.
  2. Reduced fuel efficiency.
  3. Increased emissions.
  4. Difficulty starting the engine.
  5. Rough idling or stalling.

How to Fix P208D

  1. Diagnose the specific cause of the high reductant pump control circuit.
  2. Inspect wiring and connectors for any damage or corrosion.
  3. Test the reductant pump operation and replace if necessary.
  4. Check and reprogram the control module if needed.
  5. Clear the DTC and reset the check engine light.

Cost to Fix P208D

The typical repair costs for addressing a P208D code can vary depending on the specific cause of the issue. In general, replacing a faulty reductant pump can cost between $200 and $500, while addressing wiring or connector issues may range from $100 to $300. Additional costs for diagnostic time and labor rates at auto repair shops can increase the total expense. It is advisable to consult with a professional mechanic to get an accurate estimate based on the vehicle's make and model and the extent of the repair needed.

Need more information about the P208D code?

Need more information on how to fix the P208D code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P208D code diagnosed by a professional: Find a repair shop in your area

Code P208D Information for Specific Makes

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 P208D Code

1. What are the common symptoms of OBDII code P208D (Reductant Pump Control Circuit High)?

The common symptoms of P208D include the Check Engine Light illuminating on the dashboard, reduced engine performance, and potential issues with the reductant system.

2. What causes the OBDII code P208D to trigger?

P208D is triggered when the powertrain control module (PCM) detects a high voltage in the control circuit of the reductant pump, indicating a potential electrical issue with the pump or its circuitry.

3. How serious is the OBDII code P208D (Reductant Pump Control Circuit High)?

While P208D may not cause immediate drivability issues, it is important to address this code promptly to prevent potential damage to the reductant pump and ensure proper emission control system operation.

4. Can I continue driving with OBDII code P208D present?

It is generally not recommended to ignore OBDII codes like P208D, as unresolved issues can lead to more severe problems over time. It is advisable to have the vehicle diagnosed and repaired as soon as possible.

5. How can I diagnose and repair OBDII code P208D?

Diagnosing P208D involves testing the reductant pump circuit, checking for loose or damaged wiring, inspecting the pump itself, and verifying the operation of related components. Repair often involves fixing wiring issues, replacing the reductant pump, or addressing faulty connectors.

6. Are there any DIY tips for fixing OBDII code P208D?

While some basic troubleshooting like checking for loose connections or blown fuses can be done by DIY enthusiasts, diagnosing and repairing P208D may require specialized tools and expertise. It is best to consult a qualified mechanic for proper diagnosis and repair.

7. Will resetting the Check Engine Light resolve OBDII code P208D?

Simply resetting the Check Engine Light will not fix the underlying issue causing P208D. The code may return if the root cause is not addressed. It is crucial to diagnose and repair the problem to prevent further issues.

8. How much does it typically cost to repair OBDII code P208D?

The cost of repairing P208D can vary depending on the cause of the issue, labor rates, and parts needed. It is advisable to obtain quotes from different repair shops to get an accurate estimate for the repair.

9. Can extreme weather conditions contribute to triggering OBDII code P208D?

Extreme weather conditions such as excessive heat or moisture can potentially affect the electrical components of the reductant pump system, leading to issues that may trigger code P208D. Ensure proper maintenance and protection of the vehicle in such conditions.

10. Is OBDII code P208D specific to certain vehicle makes and models?

While OBDII codes are standardized, the specific description of code P208D may vary slightly between different vehicle manufacturers. It is essential to consult the vehicle's service manual or a diagnostic tool for accurate information tailored to your specific make and model.

Discuss the causes and fixes for P208D OBDII Code

Submit a New Comment

Code P208D comments

No comments found for this page.