AutoCodes – Chevrolet – U010E 2018 Chevrolet Silverado

U010E 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 345

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado - Lost Communication With Reductant Sensor Module - AutoCodes.com — U010E 2018 Chevrolet Silverado Code - Lost Communication With Reductant Sensor Module

What does this mean?

What are the Possible Causes of the DTC U010E 2018 Chevrolet Silverado?

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 2018 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 U010E 2018 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 U010E 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado Code

1. What does OBDII code U010E mean on a 2018 Chevrolet Silverado?

Code U010E indicates a "Lost Communication With Reductant Sensor Module," meaning the vehicleâ€™s onboard computer cannot communicate with the reductant sensor module, which monitors the diesel exhaust fluid (DEF) system.

2. What are the common symptoms of code U010E on a 2018 Chevrolet Silverado?

Symptoms may include the check engine light turning on, DEF system warning messages, reduced engine performance, or the vehicle entering limp mode.

3. What causes the U010E code to appear in a 2018 Chevrolet Silverado?

Common causes include faulty wiring or connectors in the DEF system, a malfunctioning reductant sensor module, software issues in the engine control module (ECM), or a blown fuse.

4. How do I diagnose the U010E code on my 2018 Chevrolet Silverado?

Start by visually inspecting the wiring and connectors for damage or corrosion. Check the fuses related to the DEF system and use a diagnostic scan tool to verify module communication.

5. Can a bad reductant sensor module trigger code U010E?

Yes, if the reductant sensor module is defective or fails internally, it can prevent communication with the ECM and set the U010E code.

6. Will driving with code U010E damage my 2018 Chevrolet Silverado?

Driving with this code may lead to reduced engine performance or limp mode. Long-term driving without addressing the issue can cause further DEF system problems.

7. How do I fix the U010E code on a 2018 Chevrolet Silverado?

Repairs may include replacing damaged wiring or connectors, updating or reprogramming the ECM, or replacing the reductant sensor module if it is found to be faulty.

8. Is a blown fuse a possible reason for code U010E?

Yes, a blown fuse in the circuit supplying power to the reductant sensor module can disrupt communication and trigger this code.

9. Can software updates fix the U010E code on a 2018 Chevrolet Silverado?

In some cases, updating the ECM or reductant module software may resolve communication issues and clear the code.

10. How much does it cost to repair code U010E on a 2018 Chevrolet Silverado?

The cost depends on the cause. Wiring repairs might cost $100-$300, while replacing the reductant sensor module can range from $500 to $1,000, including parts and labor.