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P208C Chevrolet Code - Reductant Pump Control Circuit Low Voltage

Quick Answer

The P208C code for Chevrolet vehicles indicates a problem with the reductant pump control circuit, specifically signaling low voltage. Common causes include Faulty reductant pump, Wiring issues or corrosion in the reductant pump control circuit, Defective 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
P208C Chevrolet indicates Reductant Pump Control Circuit Low Voltage.
Common causes
Common causes include Faulty reductant pump, Wiring issues or corrosion in the reductant pump control circuit, Defective 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 09, 2024
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Code P208C Chevrolet Description

The P208C code for Chevrolet vehicles indicates a problem with the reductant pump control circuit, specifically signaling low voltage. The reductant pump, also known as the DEF (diesel exhaust fluid) pump, is responsible for delivering the DEF fluid to the exhaust system to reduce emissions.

OBDII Code P208C Chevrolet - Reductant Pump Control Circuit Low Voltage
P208C Chevrolet Code - Reductant Pump Control Circuit Low Voltage

Common Causes of P208C Chevrolet

  1. Faulty reductant pump
  2. Wiring issues or corrosion in the reductant pump control circuit
  3. Defective reductant pump control module
  4. Poor quality or contaminated DEF fluid
  5. Electrical system malfunctions

Symptoms of P208C Chevrolet

  1. Check engine light illuminated on the dashboard
  2. Decreased fuel efficiency
  3. Reduced acceleration and engine performance
  4. Strange noises coming from the exhaust system
  5. Smell of ammonia or other unusual odors from the exhaust

How to Fix P208C Chevrolet

  1. Diagnose the issue by using a diagnostic scanner to retrieve the specific fault codes and pinpoint the cause of the problem.
  2. Inspect the reductant pump, control circuit, and wiring for any visible damage, corrosion, or loose connections.
  3. Test the reductant pump control module to determine if it is functioning correctly or needs replacement.
  4. Replace the reductant pump or control module if found to be faulty, ensuring proper installation and secure connections.
  5. Clear the fault codes and reset the check engine light to verify the repair and ensure the issue has been resolved.

Cost to Fix P208C Chevrolet

The cost estimate for repairing a P208C code on a Chevrolet vehicle can vary depending on the specific cause of the issue and the parts and labor required for the repair. In general, the cost of replacing a faulty reductant pump or control module can range from $200 to $800, including parts and labor. Additional costs may apply if wiring repairs or diagnostics are necessary. It's recommended to consult with a trusted mechanic or dealership to obtain an accurate quote based on your vehicle's make and model. Keep in mind that labor rates can fluctuate based on location and shop rates.

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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 P208C Chevrolet Code

1. What are the common symptoms of OBDII code P208C in a Chevrolet related to the Reductant Pump Control Circuit Low Voltage?

- Common symptoms include poor engine performance, reduced fuel efficiency, and the illumination of the check engine light.

2. What are the possible causes of the OBDII code P208C in a Chevrolet indicating a Reductant Pump Control Circuit Low Voltage?

- The code may be triggered by issues such as a faulty reductant pump, damaged wiring or connectors, a defective pump control module, or a low voltage supply.

3. How can I diagnose the OBDII code P208C in my Chevrolet that points to a Reductant Pump Control Circuit Low Voltage issue?

- Diagnosis typically involves using a scan tool to retrieve the code, checking the reductant pump and related components for damage, and testing the wiring and connectors for any faults.

4. Is it safe to continue driving my Chevrolet with the OBDII code P208C indicating a Reductant Pump Control Circuit Low Voltage problem?

- It is not recommended to continue driving the vehicle with this code present, as it can lead to further damage to the emissions system and potentially affect the vehicle's performance.

5. How can I repair the OBDII code P208C in my Chevrolet related to the Reductant Pump Control Circuit Low Voltage?

- Repair typically involves replacing the faulty reductant pump or pump control module, repairing any damaged wiring or connectors, and clearing the code with a scan tool.

6. Can a DIY enthusiast fix the OBDII code P208C in a Chevrolet indicating a Reductant Pump Control Circuit Low Voltage issue?

- While some aspects of the repair may be feasible for a DIY enthusiast, it is recommended to seek professional help for diagnosing and repairing this specific code to ensure proper resolution.

7. What are the long-term effects of ignoring the OBDII code P208C in a Chevrolet related to the Reductant Pump Control Circuit Low Voltage?

- Ignoring this code can lead to increased emissions, reduced fuel efficiency, and potential damage to other emission control components in the vehicle over time.

8. How much does it typically cost to repair the OBDII code P208C indicating a Reductant Pump Control Circuit Low Voltage problem in a Chevrolet?

- Repair costs can vary depending on the specific issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.

9. Are there any preventive measures to avoid triggering the OBDII code P208C in a Chevrolet due to a Reductant Pump Control Circuit Low Voltage concern?

- Regular maintenance, such as checking and replacing the reductant pump as recommended by the manufacturer, can help prevent issues that may lead to this code.

10. Can a faulty O2 sensor cause the OBDII code P208C to appear in a Chevrolet related to the Reductant Pump Control Circuit Low Voltage?

- While a faulty O2 sensor is not a direct cause of this specific code, it can contribute to related emission control issues that may trigger the P208C code.

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