P20BE 2018 Chevrolet Silverado Code - Reductant Heater 2 Performance
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
- P20BE 2018 Chevrolet Silverado indicates Reductant Heater 2 Performance.
- 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 P20BE 2018 Chevrolet Silverado Description
The Diagnostic Trouble Code (DTC) will be set when the ECM indicates the reductant line heater resistance is greater or less than a calibrated value for greater than 8 s.
What are the Possible Causes of the DTC P20BE 2018 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 P20BE 2018 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 P20BE 2018 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 P20BE 2018 Chevrolet Silverado code?
Need more information on how to fix the P20BE 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals
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Frequently Asked Questions about P20BE 2018 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P20BE in a 2018 Chevrolet Silverado?
The common symptoms of code P20BE 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 P20BE for Reductant Heater 2 Performance indicate in a 2018 Chevrolet Silverado?
Code P20BE indicates a performance issue with the reductant heater 2 in the selective catalytic reduction (SCR) system of the vehicle.
3. What are the possible causes of OBDII code P20BE in a 2018 Chevrolet Silverado?
Possible causes of code P20BE include a faulty reductant heater, wiring issues, a defective SCR system component, or a malfunctioning powertrain control module (PCM).
4. How can I diagnose the OBDII code P20BE in my 2018 Chevrolet Silverado?
Diagnosing code P20BE involves using an OBDII scanner to retrieve the specific fault code, checking the reductant heater 2 for proper operation, inspecting related wiring for damage, and testing the SCR system components.
5. Can I continue driving my 2018 Chevrolet Silverado with OBDII code P20BE?
It is not recommended to continue driving with code P20BE present, as it can lead to reduced engine performance, increased emissions, and potential damage to the vehicle's emissions system.
6. How can I repair OBDII code P20BE in my 2018 Chevrolet Silverado?
Repairing code P20BE may involve replacing the faulty reductant heater 2, repairing any damaged wiring, addressing issues with the SCR system components, or reprogramming the PCM.
7. Will resetting the check engine light clear OBDII code P20BE in my 2018 Chevrolet Silverado?
Resetting the check engine light may temporarily clear the code, but if the underlying issue causing code P20BE is not addressed, the code is likely to reappear.
8. Are there any DIY tips for troubleshooting OBDII code P20BE in a 2018 Chevrolet Silverado?
DIY tips for troubleshooting code P20BE include checking for loose or damaged wiring, ensuring proper connections to the reductant heater 2, and inspecting the SCR system components for visible damage.
9. How serious is OBDII code P20BE in a 2018 Chevrolet Silverado?
Code P20BE should be taken seriously as it can affect the vehicle's emissions system and engine performance. Ignoring the code may lead to increased emissions, reduced fuel efficiency, and potential engine damage.
10. Can a mechanic help me fix OBDII code P20BE in my 2018 Chevrolet Silverado?
Yes, a qualified mechanic can diagnose and repair code P20BE in your 2018 Chevrolet Silverado by performing detailed troubleshooting, identifying the root cause, and carrying out the necessary repairs to restore proper vehicle operation.
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