P20E8 2017 Chevrolet Silverado Code - Reductant Low Pressure
Quick Answer
The pressure sensor information is used by Reductant Control Module; this module manages the reductant pressure system driving the PWM signal to the pump (corresponding to a speed setpoint for the reductant pressure pump) in order to build the pressure in the reductant pressure pipeline after the system start-up. Common causes include Faulty Reductant Injector, Reductant Injector harness is open or shorted, Reductant Injector 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
- P20E8 2017 Chevrolet Silverado indicates Reductant Low Pressure.
- Common causes
- Common causes include Faulty Reductant Injector, Reductant Injector harness is open or shorted, Reductant Injector 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 P20E8 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P20E8 2017 Chevrolet Silverado?
- Faulty Reductant Injector
- Reductant Injector harness is open or shorted
- Reductant Injector circuit poor electrical connection
- Faulty Reductant Pump and Sensor Assembly
How to Fix the DTC P20E8 2017 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 P20E8 2017 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 P20E8 2017 Chevrolet Silverado code?
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Frequently Asked Questions about P20E8 2017 Chevrolet Silverado Code
1. What does OBDII code P20E8 on a 2017 Chevrolet Silverado indicate?
The P20E8 code on a 2017 Chevrolet Silverado points to a Reductant Low Pressure issue related to the Selective Catalyst Reduction (SCR) system.
2. What are the common symptoms of a Reductant Low Pressure fault in a 2017 Chevrolet Silverado?
Common symptoms of a Reductant Low Pressure fault include reduced engine performance, decreased fuel efficiency, and the illumination of the check engine light.
3. What are the possible causes of OBDII code P20E8 on a 2017 Chevrolet Silverado?
Potential causes of a P20E8 code on a 2017 Chevrolet Silverado include a faulty reductant pressure sensor, a malfunctioning reductant pump, or issues with the reductant injector.
4. How can I diagnose a Reductant Low Pressure problem in my 2017 Chevrolet Silverado?
Diagnosing a Reductant Low Pressure issue involves using a scan tool to retrieve the specific trouble code, checking the reductant fluid level, inspecting the reductant pump and injector, and testing the reductant pressure sensor.
5. Can I continue driving my 2017 Chevrolet Silverado with an active P20E8 fault code?
It is not recommended to drive your 2017 Chevrolet Silverado with an active P20E8 fault code, as it can lead to reduced engine performance and potential damage to the SCR system.
6. How can I reset the check engine light after fixing the Reductant Low Pressure issue on my 2017 Chevrolet Silverado?
After repairing the Reductant Low Pressure problem on your 2017 Chevrolet Silverado, you can reset the check engine light using a scan tool or by disconnecting the vehicle's battery for a few minutes.
7. Is it possible to repair a Reductant Low Pressure fault in a 2017 Chevrolet Silverado without professional help?
While some basic checks like inspecting reductant fluid levels can be done by DIY enthusiasts, diagnosing and repairing complex SCR system issues may require professional expertise and specialized tools.
8. How much does it typically cost to repair a Reductant Low Pressure fault on a 2017 Chevrolet Silverado?
The cost of repairing a Reductant Low Pressure fault on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars.
9. Are there any maintenance tips to prevent a Reductant Low Pressure fault in my 2017 Chevrolet Silverado?
Regularly checking and topping up the reductant fluid, following the manufacturer's recommended service intervals, and using high-quality diesel exhaust fluid (DEF) can help prevent Reductant Low Pressure faults in your 2017 Chevrolet Silverado.
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