AutoCodes – GMC – U010E 2014 GMC Sierra

U010E 2014 GMC Sierra Code - Lost Communication With Reductant Sensor Module

Quick Answer

Devices connected to the Powertrain High-Speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Reductant Control Module, Reductant Control Module harness is open or shorted, Reductant Control Module 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: U010E 2014 GMC Sierra indicates Lost Communication With Reductant Sensor Module.
Common causes: Common causes include Faulty Reductant Control Module, Reductant Control Module harness is open or shorted, Reductant Control Module 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.

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Code Popularity 187

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Oct 18, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U010E 2014 GMC Sierra Description

Devices connected to the Powertrain High-Speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the devices. The devices have prerecorded information about what messages are needed to be exchanged on the serial data circuits, for each virtual network. The messages are supervised and also, some periodic messages are used by the receiver device as an availability indication of the transmitter device. Each message contains the identification number of the transmitter device. A loss of serial data communications Diagnostic Trouble Code (DTC) does not represent a failure of the devices that contain the stored DTC. The DTC will be set when a supervised periodic message that includes the transmitter device availability has not been received.

OBDII Code U010E 2014 GMC Sierra - Lost Communication With Reductant Sensor Module - AutoCodes.com — U010E 2014 GMC Sierra Code - Lost Communication With Reductant Sensor Module

What does this mean?

What are the Possible Causes of the DTC U010E 2014 GMC Sierra?

Faulty Reductant Control Module
Reductant Control Module harness is open or shorted
Reductant Control Module circuit poor electrical connection

How to Fix the DTC U010E 2014 GMC Sierra?

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 U010E 2014 GMC Sierra 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 U010E 2014 GMC Sierra code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about U010E 2014 GMC Sierra Code

1. What are the common symptoms of OBDII code U010E in a 2014 GMC Sierra?

- Common symptoms include the Check Engine Light illuminating, reduced engine performance, poor fuel economy, and potential issues with the vehicle's emissions system.

2. What does the OBDII code U010E "Lost Communication With Reductant Sensor Module" mean for a 2014 GMC Sierra?

- This code indicates a communication problem between the vehicle's engine control module (ECM) and the reductant sensor module, which is responsible for monitoring the efficiency of the emissions control system.

3. What are the possible causes of the U010E code in a 2014 GMC Sierra?

- Potential causes include a faulty reductant sensor module, damaged wiring or connectors, a software glitch, a malfunctioning ECM, or issues with the CAN bus communication system.

4. How can I diagnose the U010E code in my 2014 GMC Sierra?

- Diagnosing this code typically involves checking the connections to the reductant sensor module, inspecting the wiring for damage, performing a system reset, and using a diagnostic scanner to identify communication issues between modules.

5. Can I drive my 2014 GMC Sierra with the U010E code present?

- While the vehicle may still be operable with this code, it is not recommended to drive for an extended period as it can lead to reduced performance and potential damage to the emissions system.

6. How can I repair the U010E code in my 2014 GMC Sierra?

- Repair options include replacing the reductant sensor module if it is faulty, repairing damaged wiring or connectors, updating software if required, or seeking assistance from a professional mechanic for a thorough diagnosis and repair.

7. Will the U010E code cause the emissions system to fail in my 2014 GMC Sierra?

- The U010E code itself does not mean the emissions system has failed, but it does indicate a communication issue that could affect the emissions system's monitoring and efficiency.

8. How much does it cost to fix the U010E code in a 2014 GMC Sierra?

- The cost of repairing the U010E code can vary depending on the specific cause, but it may involve a few hundred dollars for parts and labor if the reductant sensor module needs replacement or if wiring repairs are necessary.

9. Can the U010E code be triggered by a loose gas cap in a 2014 GMC Sierra?

- While a loose gas cap can cause other OBDII codes related to the evaporative emissions system, it is unlikely to trigger the U010E code specifically, as this code is related to communication issues with the reductant sensor module.

10. Is the U010E code a common issue in 2014 GMC Sierra vehicles?

- While not extremely common, the U010E code can occur in 2014 GMC Sierra vehicles due to potential electrical or communication system issues, particularly related to the reductant sensor module.