AutoCodes.com | All About OBDII Engine Codes
AutoCodes - GMC - U2629 GMC

U2629 GMC Code - Reductant Control Module Lost Communication With Reductant Tank Temperature Sensor 1

- Code Popularity: 309 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By AutoCodes.com - Updated Jun 18, 2020
Share on Facebook   Share on Twitter   Share on Linkedin

|Code U2629 GMC Possible Causes

  • Faulty Reductant Tank Temperature Sensor 1
  • Reductant Tank Temperature Sensor 1 harness is open or shorted
  • Reductant Tank Temperature Sensor 1 circuit poor electrical connection
  • Faulty Reductant Control Module

|How do I Fix the Code U2629 GMC?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Does your GMC have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code U2629 GMC?

Labor: 1.0

The cost of diagnosing the U2629 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|What are Code U2629 GMC Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|Code U2629 GMC 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 set when a supervised periodic message that includes the transmitter device availability has not been received.

OBDII Code U2629 GMC - Reductant Control Module Lost Communication With Reductant Tank Temperature Sensor 1 - AutoCodes.com
U2629 GMC Code - Reductant Control Module Lost Communication With Reductant Tank Temperature Sensor 1

|Need More Information on the U2629 GMC Code?

Need more information on how to fix the U2629 GMC code? Get Access to Factory Service Manuals

|Need Help with the U2629 GMC Code?

Get the U2629 GMC code diagnosed by a professional: Find a repair shop in your area

|Code U2629 GMC comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the U2629 GMC code? Have you replaced any parts?
Any information is appreciated. Thanks