P20E8 2014 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 2014 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 2014 Chevrolet Silverado Description
What are the Possible Causes of the DTC P20E8 2014 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 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 P20E8 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 P20E8 2014 Chevrolet Silverado code?
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Frequently Asked Questions about P20E8 2014 Chevrolet Silverado Code
1. What does OBDII code P20E8 on a 2014 Chevrolet Silverado indicate?
The P20E8 code specifically points to an issue with the Reductant Low Pressure system in the vehicle.
2. What are the common symptoms of a P20E8 code in a 2014 Chevrolet Silverado?
Common symptoms include reduced engine performance, decreased fuel efficiency, engine misfires, and the illumination of the Check Engine Light.
3. What are the possible causes of a P20E8 code in a 2014 Chevrolet Silverado?
Potential causes may include a faulty reductant pump, a damaged reductant pressure sensor, clogged reductant lines, or issues with the diesel exhaust fluid (DEF) tank.
4. How can I diagnose the source of a P20E8 code in my 2014 Chevrolet Silverado?
Diagnosis typically involves using a scan tool to retrieve the specific code, checking the reductant system components for any visible damage, and testing the functionality of the reductant pump and pressure sensor.
5. Can I continue driving my 2014 Chevrolet Silverado with a P20E8 code?
It is not recommended to continue driving the vehicle with a P20E8 code, as it can lead to further damage to the emissions system and potentially affect the engine performance.
6. What are some repair tips for fixing a P20E8 code in a 2014 Chevrolet Silverado?
Repair tips may include inspecting and cleaning the reductant lines, replacing the reductant pump or pressure sensor if necessary, and ensuring the DEF tank is filled with proper fluid.
7. Is it possible to reset the Check Engine Light after fixing a P20E8 code in a 2014 Chevrolet Silverado?
Yes, once the underlying issue triggering the P20E8 code is resolved, the Check Engine Light can be reset using a scan tool or by disconnecting the vehicle's battery for a few minutes.
8. How much does it typically cost to repair a P20E8 code in a 2014 Chevrolet Silverado?
The cost of repairing a P20E8 code can vary depending on the exact 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 measures to avoid encountering a P20E8 code in a 2014 Chevrolet Silverado?
Regularly maintaining the vehicle's emissions system, ensuring the DEF tank is filled with clean fluid, and promptly addressing any warning lights or symptoms can help prevent the occurrence of a P20E8 code.
10. Could a P20E8 code in a 2014 Chevrolet Silverado be related to other engine issues?
While the P20E8 code specifically relates to the Reductant Low Pressure system, it's possible that underlying issues affecting engine performance or emissions could also trigger this code, so a comprehensive diagnostic check may be necessary.
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