U2630 GMC Code - Reductant Control Module Lost Communication With Reductant Tank Temperature Sensor 2
Quick Answer
Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Reductant Tank Temperature Sensor 2, Reductant Tank Temperature Sensor 2 harness is open or shorted, Reductant Tank Temperature Sensor 2 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
- U2630 GMC indicates Reductant Control Module Lost Communication With Reductant Tank Temperature Sensor 2.
- Common causes
- Common causes include Faulty Reductant Tank Temperature Sensor 2, Reductant Tank Temperature Sensor 2 harness is open or shorted, Reductant Tank Temperature Sensor 2 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 U2630 GMC 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 U2630 GMC?
- Faulty Reductant Tank Temperature Sensor 2
- Reductant Tank Temperature Sensor 2 harness is open or shorted
- Reductant Tank Temperature Sensor 2 circuit poor electrical connection
- Faulty Reductant Control Module
How to Fix the DTC U2630 GMC?
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 U2630 GMC 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 U2630 GMC code?
Need more information on how to fix the U2630 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U2630 GMC code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U2630 GMC Code
1. What are the common symptoms of OBDII code U2630 in a GMC vehicle?
- Common symptoms include the malfunction indicator light (MIL) illuminating, reduced engine performance, and potential issues with the reductant system.
2. What does the OBDII code U2630 GMC indicate?
- The code U2630 indicates that the Reductant Control Module has lost communication with Reductant Tank Temperature Sensor 2 in the vehicle's reductant system.
3. What are possible causes of the U2630 code in a GMC vehicle?
- Possible causes include a faulty Reductant Tank Temperature Sensor 2, wiring issues, a malfunctioning Reductant Control Module, or software-related issues.
4. How can I diagnose the U2630 code in my GMC vehicle?
- Diagnosing the U2630 code typically involves using a diagnostic scanner to retrieve the specific error codes, checking the connections and wiring related to the Reductant Tank Temperature Sensor 2, and testing the sensor itself for proper functioning.
5. Can I still drive my GMC vehicle with the U2630 code present?
- It is generally not recommended to drive the vehicle with the U2630 code present, as it can lead to reduced engine performance and potential damage to the reductant system components.
6. How can I repair the U2630 code in my GMC vehicle?
- Repairing the U2630 code may involve replacing the Reductant Tank Temperature Sensor 2, repairing any damaged wiring, resetting the codes, and performing a test drive to ensure the issue has been resolved.
7. Is the U2630 code a serious issue in a GMC vehicle?
- While the U2630 code may not cause immediate safety concerns, it is important to address the issue promptly to prevent potential damage to the reductant system and ensure optimal engine performance.
8. Can the U2630 code be triggered by a loose gas cap?
- The U2630 code is not typically triggered by a loose gas cap, as it specifically relates to communication issues between the Reductant Control Module and the Reductant Tank Temperature Sensor 2.
9. How much does it cost to repair the U2630 code in a GMC vehicle?
- The cost of repairing the U2630 code can vary depending on the specific cause of the issue, but it may involve sensor replacement, wiring repairs, and labor costs, which can range from $200 to $500 or more.
10. Are there any recalls related to the U2630 code in GMC vehicles?
- It is recommended to check with the manufacturer or authorized service centers for any recalls related to the U2630 code in GMC vehicles, as recalls may address specific issues related to this code.
Discuss the causes and fixes for U2630 GMC OBDII Code
Code U2630 GMC comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
