P20C6 Chevrolet Code - Reductant Heater 'D' Control Circuit Performance
Quick Answer
The P20C6 diagnostic trouble code for Chevrolet vehicles specifically refers to an issue with the Reductant Heater 'D' Control Circuit Performance. Common causes include Faulty reductant heater 'D', Wiring or connector issues in the control circuit, Corrosion or damage to the electrical components. 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
- P20C6 Chevrolet indicates Reductant Heater 'D' Control Circuit Performance.
- Common causes
- Common causes include Faulty reductant heater 'D', Wiring or connector issues in the control circuit, Corrosion or damage to the electrical components.
- 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 P20C6 Chevrolet Description
The P20C6 diagnostic trouble code for Chevrolet vehicles specifically refers to an issue with the Reductant Heater 'D' Control Circuit Performance. This code indicates that there is a problem with the control circuit responsible for managing the reductant heater 'D' in the vehicle's emissions system. The reductant heater is a crucial component in the Selective Catalytic Reduction (SCR) system, which helps to reduce harmful emissions by converting nitrogen oxides (NOx) into less harmful substances like nitrogen and water vapor.
Common Causes of P20C6 Chevrolet
- Faulty reductant heater 'D'.
- Wiring or connector issues in the control circuit.
- Corrosion or damage to the electrical components.
- Software or programming issues.
- Environmental factors such as water or debris entering the system.
Symptoms of P20C6 Chevrolet
- Check Engine Light illuminated on the dashboard.
- Reduced engine performance or power.
- Increased fuel consumption.
- Failed emissions test.
- Rough idling or stalling.
How to Fix P20C6 Chevrolet
- Start by conducting a visual inspection of the reductant heater 'D' and its associated wiring and connectors to check for any visible damage or corrosion.
- Use a multimeter to test the electrical continuity of the control circuit and diagnose any open circuits or shorts.
- Check for any software updates or reprogramming that may be required to correct the issue.
- Replace the reductant heater 'D' if it is found to be faulty, ensuring proper installation and connection to the control circuit.
- Clear the diagnostic trouble codes and perform a test drive to verify that the issue has been resolved.
Cost to Fix P20C6 Chevrolet
The typical repair costs for addressing a P20C6 code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, the cost of parts such as a new reductant heater 'D' and any necessary wiring or connectors can range from $200 to $500. Additionally, labor costs can add another $100 to $300 to the total repair bill. It is important to note that diagnosis time and labor rates can vary, so it is recommended to check with local auto repair shops for a more accurate estimate.
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