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U2626 Buick Code - Reductant Control Module Lost Communication With Engine Control Module On Powertrain Sensor CAN Bus

- Code Popularity: 272 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By AutoCodes.com - Updated Jun 18, 2020
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|Code U2626 Buick Possible Causes

  • Faulty Engine Control Module (ECM)
  • Engine Control Module harness is open or shorted
  • Engine Control Module circuit poor electrical connection
  • Faulty Reductant Control Module

|How do I Fix the Code U2626 Buick?

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 Buick have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code U2626 Buick?

Labor: 1.0

The cost of diagnosing the U2626 Buick 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 U2626 Buick Possible Symptoms?

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

|Code U2626 Buick 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 U2626 Buick - Reductant Control Module Lost Communication With Engine Control Module On Powertrain Sensor CAN Bus - AutoCodes.com
U2626 Buick Code - Reductant Control Module Lost Communication With Engine Control Module On Powertrain Sensor CAN Bus

|Need More Information on the U2626 Buick Code?

Need more information on how to fix the U2626 Buick code? Get Access to Factory Service Manuals

|Need Help with the U2626 Buick Code?

Get the U2626 Buick code diagnosed by a professional: Find a repair shop in your area

|Code U2626 Buick comments

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