P20BD 2014 Chevrolet Silverado Code - Reductant Heater 2 Control Circuit
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
- P20BD 2014 Chevrolet Silverado indicates Reductant Heater 2 Control Circuit.
- 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 P20BD 2014 Chevrolet Silverado Description
The Diagnostic Trouble Code (DTC) will be set when the ECM indicates the reductant line heater control circuit is open for greater than 4 s.
What are the Possible Causes of the DTC P20BD 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 P20BD 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 P20BD 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 P20BD 2014 Chevrolet Silverado code?
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Frequently Asked Questions about P20BD 2014 Chevrolet Silverado Code
1. What does OBDII code P20BD on a 2014 Chevrolet Silverado indicate?
Code P20BD points to a problem with the Reductant Heater 2 Control Circuit in the vehicle's exhaust after-treatment system.
2. What are the common symptoms of a Reductant Heater 2 Control Circuit issue in a 2014 Chevrolet Silverado?
Common symptoms include the illumination of the check engine light, reduced engine performance, and potential failure to pass emissions tests.
3. What are the possible causes of OBDII code P20BD in a 2014 Chevrolet Silverado?
Potential causes of this code include a faulty reductant heater, damaged wiring or connectors in the circuit, or a malfunctioning control module.
4. How can I diagnose the Reductant Heater 2 Control Circuit problem in my 2014 Chevrolet Silverado?
Diagnosing the issue may involve using an OBDII scanner to retrieve the fault code, inspecting the reductant heater system components, and testing the circuit for continuity and proper voltage.
5. Can I continue driving my 2014 Chevrolet Silverado with OBDII code P20BD present?
It is generally not recommended to drive the vehicle with this code active, as it can lead to reduced fuel efficiency and potential damage to the exhaust after-treatment system.
6. How can I repair OBDII code P20BD in my 2014 Chevrolet Silverado?
Repairing this code may involve replacing the faulty reductant heater, repairing damaged wiring or connectors, or reprogramming the control module, depending on the specific issue found.
7. Is it possible to clear OBDII code P20BD in a 2014 Chevrolet Silverado without fixing the underlying problem?
Clearing the code without addressing the root cause is not recommended, as the issue will likely persist and may lead to further complications down the line.
8. How much does it typically cost to repair OBDII code P20BD in a 2014 Chevrolet Silverado?
The cost of repair can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.
9. Are there any preventive maintenance tips to avoid OBDII code P20BD in a 2014 Chevrolet Silverado?
Regularly servicing the vehicle's exhaust after-treatment system, using high-quality diesel exhaust fluid, and addressing any warning signs promptly can help prevent issues that lead to this fault code.
10. Can I reset the check engine light after repairing OBDII code P20BD in my 2014 Chevrolet Silverado?
Once the underlying problem has been fixed, the check engine light can be reset using an OBDII scanner to clear the stored fault code and turn off the warning indicator.
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