U2628 Chevrolet Code - Reductant Control Module Lost Communication With Reductant Concentration Sensor
Quick Answer
Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Reductant Concentration Sensor, Reductant Concentration Sensor harness is open or shorted, Reductant Concentration Sensor 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
- U2628 Chevrolet indicates Reductant Control Module Lost Communication With Reductant Concentration Sensor.
- Common causes
- Common causes include Faulty Reductant Concentration Sensor, Reductant Concentration Sensor harness is open or shorted, Reductant Concentration Sensor 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.
Code U2628 Chevrolet Description
The Diagnostic Trouble Code (DTC) will set when a supervised periodic message that includes the transmitter device availability has not been received.
What are the Possible Causes of the DTC U2628 Chevrolet?
- Faulty Reductant Concentration Sensor
- Reductant Concentration Sensor harness is open or shorted
- Reductant Concentration Sensor circuit poor electrical connection
- Faulty Reductant Control Module
How to Fix the DTC U2628 Chevrolet?
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 U2628 Chevrolet 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.
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Frequently Asked Questions about U2628 Chevrolet Code
1. What are the common symptoms of OBDII code U2628 in a Chevrolet related to the Reductant Control Module?
- Common symptoms may include the illumination of the check engine light, reduced engine performance, and potential issues with emission control systems.
2. What does the OBDII code U2628 indicating "Reductant Control Module Lost Communication With Reductant Concentration Sensor" mean in a Chevrolet?
- This code suggests a communication problem between the Reductant Control Module and the Reductant Concentration Sensor, impacting the vehicle's emissions control system.
3. What are some possible causes of the U2628 code in a Chevrolet?
- Causes may include faulty wiring or connections, a malfunctioning Reductant Control Module or Reductant Concentration Sensor, or software issues within the vehicle's control modules.
4. How can I diagnose the U2628 code in my Chevrolet?
- Diagnosing the code typically involves checking the wiring and connections between the Reductant Control Module and the Reductant Concentration Sensor, as well as testing the functionality of both components.
5. Is it safe to continue driving my Chevrolet with the U2628 code present?
- It is generally not recommended to drive the vehicle with this code active, as it may lead to reduced engine performance and potential emission control issues.
6. Can I repair the U2628 code in my Chevrolet by myself?
- Depending on your skill level and access to tools, you may be able to address the issue by checking the wiring, connectors, and components associated with the Reductant Control Module and Reductant Concentration Sensor.
7. What are some tips for repairing the U2628 code in a Chevrolet?
- Tips may include visually inspecting wiring and connectors for damage, ensuring proper connections, checking for corrosion, and consulting the vehicle's service manual for specific diagnostic and repair procedures.
8. Will resetting the check engine light resolve the U2628 code in my Chevrolet?
- Resetting the check engine light may temporarily clear the code, but it is essential to diagnose and address the underlying issue to prevent the code from reoccurring.
9. How much does it typically cost to repair the U2628 code in a Chevrolet?
- Repair costs can vary depending on the root cause of the issue, with expenses potentially ranging from a simple wiring repair to the replacement of components like the Reductant Control Module or Reductant Concentration Sensor.
10. Are there any recalls or technical service bulletins related to the U2628 code in Chevrolet vehicles?
- It is advisable to check with a Chevrolet dealership or the manufacturer's website to see if there are any relevant recalls or technical service bulletins addressing the U2628 code and related issues.
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