P20BD 2014 GMC Sierra 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 GMC Sierra 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 GMC Sierra 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 GMC Sierra?
- 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 GMC Sierra?
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 GMC Sierra 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 GMC Sierra code?
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Frequently Asked Questions about P20BD 2014 GMC Sierra Code
1. What are the common symptoms of OBDII code P20BD in a 2014 GMC Sierra related to the Reductant Heater 2 Control Circuit?
The common symptoms may include the check engine light being illuminated, reduced engine performance, and potential difficulty starting the vehicle.
2. What could cause the OBDII code P20BD to appear in a 2014 GMC Sierra?
The code P20BD typically indicates a malfunction in the Reductant Heater 2 Control Circuit, which can be caused by issues such as a faulty heater control module, wiring problems, or a defective heater element.
3. How serious is the OBDII code P20BD in a 2014 GMC Sierra?
While the vehicle may still be operable with this code present, it is important to address the underlying issue promptly to prevent potential damage to the vehicle's emissions system and ensure optimal engine performance.
4. Can I continue driving my 2014 GMC Sierra with the OBDII code P20BD present?
It is generally not recommended to continue driving the vehicle with the code P20BD active, as it can lead to increased emissions and potentially cause the vehicle to fail an emissions test.
5. How can I diagnose the OBDII code P20BD in my 2014 GMC Sierra?
Diagnosing the code P20BD typically involves using a diagnostic scanner to retrieve the specific trouble code, inspecting the Reductant Heater 2 Control Circuit components for any visible damage, and testing the circuit for continuity.
6. What are some repair tips for fixing the OBDII code P20BD in a 2014 GMC Sierra?
Repair tips may include checking and repairing any damaged wiring, testing and replacing the Reductant Heater 2 Control Module if necessary, and ensuring proper connections are made.
7. Can I reset the OBDII code P20BD in my 2014 GMC Sierra without fixing the underlying issue?
While you can clear the code using a diagnostic scanner, it is crucial to address the root cause of the problem to prevent the code from reappearing and potentially causing further issues.
8. How much does it typically cost to repair the OBDII code P20BD in a 2014 GMC Sierra?
The cost of repairing the code P20BD can vary depending on the specific issue causing the code, but it may involve expenses for parts and labor, ranging from a few hundred to over a thousand dollars.
9. Are there any recalls or technical service bulletins related to the OBDII code P20BD in a 2014 GMC Sierra?
It is recommended to check with a GMC dealership or online resources for any recalls or technical service bulletins related to the OBDII code P20BD in a 2014 GMC Sierra, as manufacturers may provide assistance for certain issues.
10. How can I prevent the OBDII code P20BD from appearing in my 2014 GMC Sierra in the future?
Regularly maintaining your vehicle, following the manufacturer's recommended service schedule, and addressing any related issues promptly can help prevent the recurrence of the OBDII code P20BD in your 2014 GMC Sierra.
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