P20C0 2014 Chevrolet Silverado Code - Reductant Heater 2 Control Circuit High Voltage
Quick Answer
As reductant will freeze at temperatures below -11°C (12°F), there are 2 reductant heaters located in the reductant tank. 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
- P20C0 2014 Chevrolet Silverado indicates Reductant Heater 2 Control Circuit High Voltage.
- 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.
Code P20C0 2014 Chevrolet Silverado Description
The Diagnostic Trouble Code (DTC) will be set when the ECM indicates the reductant line heater control circuit is shorted to a voltage for greater than 4 s.
What are the Possible Causes of the DTC P20C0 2014 Chevrolet Silverado?
- Faulty Reductant Heater
- Reductant Heater harness is open or shorted
- Reductant Heater circuit poor electrical connection
- Faulty Reductant Pump and Sensor Assembly
- Faulty Reductant Control Module
How to Fix the DTC P20C0 2014 Chevrolet Silverado?
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 P20C0 2014 Chevrolet Silverado 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 P20C0 2014 Chevrolet Silverado code?
Need more information on how to fix the P20C0 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P20C0 2014 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P20C0 2014 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P20C0 in a 2014 Chevrolet Silverado?
- Common symptoms include the check engine light being illuminated, reduced engine performance, and potential issues with the vehicle's emissions system.
2. What does the OBDII code P20C0 on a 2014 Chevrolet Silverado indicate?
- The code P20C0 specifically refers to the Reductant Heater 2 Control Circuit High Voltage in the vehicle's emissions system.
3. What are the possible causes of OBDII code P20C0 in a 2014 Chevrolet Silverado?
- Possible causes of this code include a faulty reductant heater 2, issues with the control circuit, wiring problems, or a malfunctioning powertrain control module (PCM).
4. How can I diagnose the OBDII code P20C0 in my 2014 Chevrolet Silverado?
- Diagnosing this code typically involves using an OBDII scanner to retrieve the code, checking the reductant heater 2 and its connections, inspecting the wiring for any damage, and testing the control circuit.
5. Can I still drive my 2014 Chevrolet Silverado with the OBDII code P20C0 present?
- It is recommended to address the issue causing the code as soon as possible to prevent potential damage to the emissions system. Continued driving with the issue unresolved may lead to further problems.
6. How can I repair the Reductant Heater 2 Control Circuit High Voltage issue in my 2014 Chevrolet Silverado?
- Repairing this issue may involve replacing the faulty reductant heater 2, repairing any damaged wiring or connections, or addressing any issues with the control circuit. It is recommended to consult a professional mechanic for an accurate diagnosis and repair.
7. Is OBDII code P20C0 a serious issue in a 2014 Chevrolet Silverado?
- While the severity of the issue may vary, it is important to address this code promptly to ensure the proper functioning of the vehicle's emissions system and to prevent potential damage to other components.
8. Can a DIY enthusiast fix the OBDII code P20C0 in a 2014 Chevrolet Silverado?
- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this issue. However, for accurate diagnosis and proper repair, it is recommended to consult a professional mechanic.
9. How much does it typically cost to repair OBDII code P20C0 in a 2014 Chevrolet Silverado?
- The cost of repairing this code can vary depending on the specific cause of the issue, parts needed for replacement, and labor costs. It is advisable to obtain estimates from different mechanics or repair shops.
10. Can resetting the check engine light resolve the OBDII code P20C0 in a 2014 Chevrolet Silverado?
- Resetting the check engine light may temporarily turn off the warning indicator, but it will not fix the underlying issue causing the code. It is important to diagnose and repair the problem to prevent further issues.
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