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AutoCodes - Generic - U2628

U2628 Code - Reductant Control Module Lost Communication With Reductant Concentration Sensor

- Code Popularity: 2,071 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC U2628?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Reductant Concentration Sensor
  • Reductant Concentration Sensor harness is open or shorted
  • Reductant Concentration Sensor circuit poor electrical connection
  • Faulty Reductant Control Module
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How to Fix the DTC U2628?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U2628 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code U2628 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 U2628 - Reductant Control Module Lost Communication With Reductant Concentration Sensor - AutoCodes.com
U2628 Code - Reductant Control Module Lost Communication With Reductant Concentration Sensor

Need More Information on the Code?

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Information for Specific Makes

  • U2628 Buick Reductant Control Module Lost Communication With Reductant Concentration Sensor
  • U2628 Cadillac Reductant Control Module Lost Communication With Reductant Concentration Sensor
  • U2628 Chevrolet Reductant Control Module Lost Communication With Reductant Concentration Sensor
  • U2628 GMC Reductant Control Module Lost Communication With Reductant Concentration Sensor

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Code U2628 comments

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