P20BF 2014 Chevrolet Silverado Code - Reductant Heater 2 Control Circuit Low 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
- P20BF 2014 Chevrolet Silverado indicates Reductant Heater 2 Control Circuit Low 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 P20BF 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 ground or overloaded for greater than 4 s.
What are the Possible Causes of the DTC P20BF 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 P20BF 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 P20BF 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 P20BF 2014 Chevrolet Silverado code?
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Frequently Asked Questions about P20BF 2014 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P20BF in a 2014 Chevrolet Silverado?
- Common symptoms include the check engine light coming on, reduced engine performance, and potential issues with the vehicle's emissions system.
2. What does the OBDII code P20BF on a 2014 Chevrolet Silverado indicate?
- The code P20BF specifically refers to a fault in the Reductant Heater 2 Control Circuit, signaling low voltage in the system.
3. What are the possible causes of the Reductant Heater 2 Control Circuit low voltage issue in a 2014 Silverado?
- Possible causes include a faulty reductant heater, damaged wiring or connectors, a blown fuse, or issues with the engine control module.
4. How can I diagnose the Reductant Heater 2 Control Circuit low voltage problem in my 2014 Chevrolet Silverado?
- Diagnosing the issue typically involves using an OBDII scanner to retrieve the specific fault code, checking the wiring and connections for damage, and testing the reductant heater for proper functioning.
5. Can I continue driving my 2014 Silverado with the P20BF fault code?
- It is not recommended to continue driving with the P20BF code illuminated, as it can lead to potential emissions system issues and reduced engine performance.
6. How can I repair the Reductant Heater 2 Control Circuit low voltage problem in my 2014 Silverado?
- Repairing the issue may involve replacing the faulty reductant heater, repairing damaged wiring or connectors, replacing blown fuses, or addressing any issues with the engine control module.
7. Are there any DIY tips for fixing the P20BF code in a 2014 Chevrolet Silverado?
- DIY tips include checking the fuse for the reductant heater, inspecting the wiring for any visible damage, and ensuring proper connections before considering professional help.
8. Will resetting the OBDII code P20BF on my 2014 Silverado make the problem go away?
- Simply resetting the code may temporarily turn off the check engine light, but it will not fix the underlying issue causing the Reductant Heater 2 Control Circuit low voltage fault.
9. How much does it typically cost to repair the Reductant Heater 2 Control Circuit issue in a 2014 Chevrolet Silverado?
- The cost of repairs can vary depending on the specific cause of the problem, but it may range from a few hundred to over a thousand dollars, including parts and labor.
10. Can a professional mechanic help me with diagnosing and repairing the P20BF code in my 2014 Silverado?
- Yes, a qualified mechanic with experience in automotive diagnostics and repairs can help properly diagnose and repair the Reductant Heater 2 Control Circuit low voltage issue in your 2014 Chevrolet Silverado.
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