U2630 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 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 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?
- 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?
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 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 code?
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Information for Specific Makes
- U2630 Buick — Reductant Control Module Lost Communication With Reductant Tank Temperature Sensor 2
- U2630 Cadillac — Reductant Control Module Lost Communication With Reductant Tank Temperature Sensor 2
- U2630 Chevrolet — Reductant Control Module Lost Communication With Reductant Tank Temperature Sensor 2
- U2630 GMC — Reductant Control Module Lost Communication With Reductant Tank Temperature Sensor 2
Frequently Asked Questions about U2630 Code
1. What are the common symptoms of OBDII code U2630?
The common symptoms of code U2630 include the check engine light illuminating, poor vehicle performance, and potential issues with the reductant system.
2. What does OBDII code U2630 indicate?
Code U2630 indicates that the reductant control module has lost communication with reductant tank temperature sensor 2 in the vehicle's emissions control system.
3. What are some possible causes of code U2630?
Possible causes of code U2630 include a faulty reductant tank temperature sensor 2, damaged wiring or connectors, a malfunctioning reductant control module, or software issues within the vehicle's system.
4. How is OBDII code U2630 diagnosed?
Diagnosing code U2630 involves using a diagnostic scanner to retrieve the code, checking the reductant tank temperature sensor 2 for proper function, inspecting related wiring and connectors for damage, and testing the reductant control module.
5. What are the repair options for OBDII code U2630?
Repair options for code U2630 may include replacing the faulty reductant tank temperature sensor 2, repairing or replacing damaged wiring or connectors, replacing the reductant control module, or updating software in the vehicle's system.
6. Can OBDII code U2630 cause harm to the vehicle if left unaddressed?
Leaving OBDII code U2630 unaddressed can potentially lead to reduced fuel efficiency, increased emissions, and may cause the vehicle to fail emissions testing. It is recommended to address the issue promptly.
7. Is it safe to continue driving with OBDII code U2630 present?
While the vehicle may still be operable with code U2630 present, it is recommended to address the issue as soon as possible to prevent potential damage to the emissions control system and ensure optimal vehicle performance.
8. How can I prevent OBDII code U2630 from recurring?
To prevent OBDII code U2630 from recurring, it is important to ensure regular maintenance of the emissions control system, including checking the reductant tank temperature sensor 2 and related components for proper function.
9. Can a DIY enthusiast repair OBDII code U2630 at home?
Depending on the skill level and experience of the DIY enthusiast, repairing OBDII code U2630 at home may be possible. However, it is recommended to have the necessary tools and knowledge to properly diagnose and address the issue.
10. Does OBDII code U2630 affect the overall drivability of the vehicle?
OBDII code U2630 can affect the overall drivability of the vehicle by potentially causing performance issues and triggering the check engine light. It is important to address the code to maintain optimal drivability.
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