U111E Chevrolet Code - Lost Communication with EVAP Purge Pump
Quick Answer
Purge capacity is being reduced by technologies that improve fuel economy. Common causes include Faulty Evaporative Emission Purge Pump, Evaporative Emission Purge Pump harness is open or shorted, Evaporative Emission Purge Pump 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
- U111E Chevrolet indicates Lost Communication with EVAP Purge Pump.
- Common causes
- Common causes include Faulty Evaporative Emission Purge Pump, Evaporative Emission Purge Pump harness is open or shorted, Evaporative Emission Purge Pump 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 U111E Chevrolet Description
What are the Possible Causes of the DTC U111E Chevrolet?
- Faulty Evaporative Emission Purge Pump
- Evaporative Emission Purge Pump harness is open or shorted
- Evaporative Emission Purge Pump circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC U111E Chevrolet?
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 U111E Chevrolet 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 U111E Chevrolet code?
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Need Help with the Code?
Get the U111E Chevrolet code diagnosed by a professional: Find a repair shop in your area
Information for Specific Chevrolet Models
- U111E 2019 Chevrolet Silverado — Lost Communication with EVAP Purge Pump
- U111E 2020 Chevrolet Silverado — Lost Communication with EVAP Purge Pump
- U111E 2021 Chevrolet Silverado — Lost Communication with EVAP Purge Pump
- U111E 2022 Chevrolet Silverado — Lost Communication with EVAP Purge Pump
Frequently Asked Questions about U111E Chevrolet Code
1. What are the common symptoms of the OBDII code U111E in a Chevrolet related to lost communication with the EVAP purge pump?
- Common symptoms include the check engine light coming on, rough idling, decreased fuel efficiency, and potential issues with the vehicle's emissions system.
2. What are some possible causes of the U111E code indicating lost communication with the EVAP purge pump in a Chevrolet?
- Possible causes may include a faulty EVAP purge pump, damaged wiring or connectors, a blown fuse related to the EVAP system, or issues with the vehicle's onboard diagnostic system.
3. How can I diagnose the U111E code in a Chevrolet related to lost communication with the EVAP purge pump?
- Diagnosis typically involves using an OBDII scanner to retrieve the specific code, checking the EVAP purge pump for proper functionality, inspecting the wiring and connectors for damage, and ensuring the relevant fuses are intact.
4. Is it safe to continue driving my Chevrolet with the U111E code indicating lost communication with the EVAP purge pump?
- It is generally not recommended to drive the vehicle for an extended period with this code present, as it can lead to potential issues with emissions compliance and overall engine performance.
5. What are some repair tips for addressing the U111E code in a Chevrolet related to lost communication with the EVAP purge pump?
- Repair tips may include replacing the EVAP purge pump if it is found to be faulty, repairing or replacing damaged wiring and connectors, and checking and replacing any blown fuses as needed.
6. Can I reset the U111E code indicating lost communication with the EVAP purge pump in a Chevrolet using an OBDII scanner?
- Yes, you can typically reset the code using an OBDII scanner after addressing the underlying issue. However, if the problem persists, the code may reappear.
7. How serious is the U111E code related to lost communication with the EVAP purge pump in a Chevrolet?
- While the code itself may not pose an immediate danger, it is important to address it promptly to prevent potential issues with emissions compliance and overall vehicle performance.
8. Are there any DIY steps I can take to troubleshoot the U111E code in my Chevrolet before seeking professional help?
- DIY steps may include checking for loose or damaged wiring, ensuring the EVAP purge pump is functioning properly, and inspecting relevant fuses before considering professional assistance.
9. Can weather conditions or driving habits contribute to the occurrence of the U111E code in a Chevrolet indicating lost communication with the EVAP purge pump?
- Extreme weather conditions, rough driving habits, or other external factors may indirectly contribute to issues that trigger the U111E code, making regular maintenance and care important.
10. How much does it typically cost to repair the U111E code related to lost communication with the EVAP purge pump in a Chevrolet?
- The cost of repairs can vary depending on the specific underlying issue, parts needed for replacement, labor costs, and whether the repair is done at a dealership or an independent mechanic. It's advisable to get estimates from different sources before proceeding with repairs.
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