AutoCodes – Chevrolet – U2616 2018 Chevrolet Silverado

U2616 2018 Chevrolet Silverado Code - Fuel Pump Driver Control Module Lost Communication With ECM

Quick Answer

Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Engine Control Module (ECM), Engine Control Module harness is open or shorted, Engine 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: U2616 2018 Chevrolet Silverado indicates Fuel Pump Driver Control Module Lost Communication With ECM.
Common causes: Common causes include Faulty Engine Control Module (ECM), Engine Control Module harness is open or shorted, Engine 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 275

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 Jul 24, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code U2616 2018 Chevrolet Silverado Description

Devices connected to the 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. The Diagnostic Trouble Code (DTC) will be set when a supervised periodic message that includes the transmitter device availability has not been received.

OBDII Code U2616 2018 Chevrolet Silverado - Fuel Pump Driver Control Module Lost Communication With ECM - AutoCodes.com — U2616 2018 Chevrolet Silverado Code - Fuel Pump Driver Control Module Lost Communication With ECM

What does this mean?

What are the Possible Causes of the DTC U2616 2018 Chevrolet Silverado?

Faulty Engine Control Module (ECM)
Engine Control Module harness is open or shorted
Engine Control Module circuit poor electrical connection
Faulty Fuel Pump Driver Control Module

How to Fix the DTC U2616 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 U2616 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 U2616 2018 Chevrolet Silverado code?

Need more information on how to fix the U2616 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U2616 2018 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

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 U2616 2018 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code U2616 in a 2018 Chevrolet Silverado?

- Common symptoms include the check engine light coming on, engine stalling or misfiring, issues with the fuel pump operation, and possible difficulty starting the vehicle.

2. What does the OBDII code U2616 mean for a 2018 Chevrolet Silverado?

- The code U2616 indicates that the Fuel Pump Driver Control Module has lost communication with the Engine Control Module (ECM).

3. What are the possible causes of the Fuel Pump Driver Control Module losing communication with the ECM in a 2018 Chevrolet Silverado?

- Possible causes include a faulty fuel pump driver module, issues with the wiring or connections between the modules, a malfunctioning ECM, or a communication network problem.

4. How can I diagnose the issue related to OBDII code U2616 in a 2018 Chevrolet Silverado?

- Diagnosis typically involves using a diagnostic scanner to retrieve the code, checking the fuel pump driver control module and ECM for proper operation, inspecting the wiring harness for any damage, and conducting communication network tests.

5. Can I still drive my 2018 Chevrolet Silverado with the U2616 code present?

- It is not recommended to drive the vehicle with the U2616 code present, as it can lead to potential fuel pump and engine performance issues.

6. How can I repair the Fuel Pump Driver Control Module communication issue in a 2018 Chevrolet Silverado?

- Repair options may include replacing the faulty fuel pump driver module, repairing any damaged wiring or connections, reprogramming modules if needed, or addressing any underlying ECM problems.

7. Are there any DIY tips for addressing the U2616 code in a 2018 Chevrolet Silverado?

- DIY tips include checking for loose or corroded connections, ensuring proper grounding of the modules, and following a systematic approach to diagnose the communication issue.

8. Can a faulty fuel pump driver module cause the U2616 code in a 2018 Chevrolet Silverado?

- Yes, a malfunctioning fuel pump driver module can lead to the loss of communication with the ECM and trigger the U2616 trouble code.

9. How important is it to address the U2616 code promptly in a 2018 Chevrolet Silverado?

- It is crucial to address the U2616 code promptly to prevent potential fuel pump failures, engine performance issues, and further damage to the vehicle's systems.

10. Is it necessary to reset the trouble codes after repairing the U2616 issue in a 2018 Chevrolet Silverado?

- It is recommended to clear the trouble codes after repairing the U2616 issue to reset the system and ensure that the problem has been successfully resolved.