U111E 2020 Chevrolet Silverado Code - Lost Communication with EVAP Purge Pump
Quick Answer
The U111E code for a 2020 Chevrolet Silverado indicates that there is a communication issue between the vehicle's Engine Control Module (ECM) and the Evaporative Emission (EVAP) Purge Pump. Common causes include Faulty EVAP purge pump, Wiring or electrical connection issues, ECM software glitch. 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
- U111E 2020 Chevrolet Silverado indicates Lost Communication with EVAP Purge Pump.
- Common causes
- Common causes include Faulty EVAP purge pump, Wiring or electrical connection issues, ECM software glitch.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code U111E 2020 Chevrolet Silverado Description
The U111E code for a 2020 Chevrolet Silverado indicates that there is a communication issue between the vehicle's Engine Control Module (ECM) and the Evaporative Emission (EVAP) Purge Pump. The EVAP system is responsible for capturing and storing fuel vapors from the fuel tank to prevent them from being released into the atmosphere. The purge pump is a component of the EVAP system that helps to control the flow of fuel vapors.
Common Causes of U111E 2020 Chevrolet Silverado
- Faulty EVAP purge pump
- Wiring or electrical connection issues
- ECM software glitch
- EVAP system leak
- Environmental factors such as extreme temperatures affecting sensor readings
Symptoms of U111E 2020 Chevrolet Silverado
- Check Engine Light illuminated
- Decreased fuel efficiency
- Rough idling or stalling
- Difficulty starting the vehicle
- Emissions-related issues
How to Fix U111E 2020 Chevrolet Silverado
- Begin by conducting a thorough inspection of the EVAP system, including the purge pump, wiring, and connections.
- Test the EVAP purge pump for functionality using a diagnostic tool to determine if it is operating correctly.
- Check for any leaks in the EVAP system that may be causing the communication issue.
- If necessary, replace the EVAP purge pump or repair any damaged wiring or connections.
- Clear the diagnostic trouble codes, reset the ECM, and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix U111E 2020 Chevrolet Silverado
The typical repair costs for addressing a U111E code on a 2020 Chevrolet Silverado can vary depending on the specific cause of the issue. On average, the cost of parts for a new EVAP purge pump can range from $100 to $300, while the labor costs for this repair may be between $150 and $300. Additional costs may be incurred if there are other components of the EVAP system that need to be replaced or repaired. It is recommended to consult with a professional mechanic or dealership for a more accurate estimate based on the specific circumstances of the vehicle.
Need more information about the U111E 2020 Chevrolet Silverado code?
Need more information on how to fix the U111E 2020 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U111E 2020 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U111E 2020 Chevrolet Silverado Code
1. What does the OBDII code U111E mean for a 2020 Chevrolet Silverado?
The code U111E on a 2020 Chevrolet Silverado indicates a "Lost Communication with EVAP Purge Pump" error.
2. What are common symptoms of a U111E code on a 2020 Chevrolet Silverado?
Common symptoms of a U111E code may include the check engine light illuminating, rough idling, decreased fuel efficiency, and difficulty starting the vehicle.
3. What are possible causes of a U111E code on a 2020 Chevrolet Silverado?
Possible causes of a U111E code include faulty EVAP purge pump, damaged wiring or connectors in the EVAP system, or a malfunctioning powertrain control module (PCM).
4. How can I diagnose a U111E code on a 2020 Chevrolet Silverado?
Diagnosing a U111E code typically involves using an OBDII scanner to retrieve the specific code, checking the EVAP purge pump and related components for any visible damage, and inspecting the wiring and connectors for any issues.
5. Can I still drive my 2020 Chevrolet Silverado with a U111E code?
It is not recommended to drive your 2020 Chevrolet Silverado with a U111E code, as it can lead to further damage and potential safety hazards. It is best to address the issue promptly.
6. How much does it cost to repair a U111E code on a 2020 Chevrolet Silverado?
The cost of repairing a U111E code on a 2020 Chevrolet Silverado can vary depending on the specific cause of the issue, but it typically ranges from $100 to $500 for parts and labor.
7. Can I fix a U111E code on a 2020 Chevrolet Silverado myself?
If you have the necessary tools and knowledge, you may be able to fix a U111E code yourself by replacing the faulty EVAP purge pump or repairing damaged wiring. However, it is recommended to consult a professional mechanic for accurate diagnosis and repair.
8. How long does it take to repair a U111E code on a 2020 Chevrolet Silverado?
The time it takes to repair a U111E code on a 2020 Chevrolet Silverado can vary depending on the extent of the issue and the availability of parts. In general, the repair can be completed within a few hours to a day.
9. Will a U111E code reset itself on a 2020 Chevrolet Silverado?
A U111E code may reset itself if the underlying issue is temporary or intermittent. However, it is recommended to diagnose and address the root cause to prevent the code from reoccurring.
10. Is it safe to continue driving my 2020 Chevrolet Silverado if the U111E code disappears?
Even if the U111E code disappears, it is still important to address the underlying issue to ensure the proper functioning of the EVAP system and prevent potential problems in the future.
Discuss the causes and fixes for U111E 2020 Chevrolet Silverado OBDII Code
Code U111E 2020 Chevrolet Silverado comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.