P10C8 GMC Code - Reductant Temperature Signal Message Counter Incorrect
Quick Answer
Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Reductant Temperature Sensor, Reductant Temperature Sensor harness is open or shorted, Reductant Temperature 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
- P10C8 GMC indicates Reductant Temperature Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Reductant Temperature Sensor, Reductant Temperature Sensor harness is open or shorted, Reductant Temperature 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 P10C8 GMC Description
What are the Possible Causes of the DTC P10C8 GMC?
- Faulty Reductant Temperature Sensor
- Reductant Temperature Sensor harness is open or shorted
- Reductant Temperature Sensor circuit poor electrical connection
How to Fix the DTC P10C8 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 P10C8 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.
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Information for Specific GMC Models
- P10C8 2014 GMC Sierra — Reductant Temperature Signal Message Counter Incorrect
- P10C8 2015 GMC Sierra — Reductant Temperature Signal Message Counter Incorrect
- P10C8 2016 GMC Sierra — Reductant Temperature Signal Message Counter Incorrect
- P10C8 2017 GMC Sierra — Reductant Temperature Signal Message Counter Incorrect
- P10C8 2018 GMC Sierra — Reductant Temperature Signal Message Counter Incorrect
Frequently Asked Questions about P10C8 GMC Code
1. What are the common symptoms of OBDII code P10C8 GMC?
- The common symptoms include the check engine light illuminating on the dashboard, reduced engine performance, and potential issues with the vehicle's emissions system.
2. What does the OBDII code P10C8 GMC indicate?
- This code indicates that the Reductant Temperature Signal Message Counter is incorrect, which typically relates to issues with the vehicle's selective catalytic reduction (SCR) system.
3. What are possible causes of OBDII code P10C8 GMC?
- Possible causes include faulty reductant temperature sensors, wiring or connector issues, software glitches, or problems with the SCR system components.
4. How can I diagnose the OBDII code P10C8 GMC?
- Diagnosing this code usually involves using a diagnostic scanner to retrieve and interpret the code, checking the reductant temperature sensor readings, inspecting wiring connections, and performing a thorough inspection of the SCR system.
5. Can I continue driving with OBDII code P10C8 GMC present?
- It is not recommended to continue driving with this code present, as it can lead to further damage to the emissions system and potentially fail emissions testing.
6. How do I repair OBDII code P10C8 GMC?
- Repairing this code may involve replacing faulty reductant temperature sensors, repairing wiring or connector issues, updating software if necessary, or addressing any problems with the SCR system components.
7. Are there any DIY tips for fixing OBDII code P10C8 GMC?
- DIY tips may include checking for loose or damaged wiring connections, visually inspecting the reductant temperature sensors for damage, and ensuring proper fluid levels in the SCR system.
8. How much does it cost to repair OBDII code P10C8 GMC at a mechanic?
- The cost of repairing this code can vary depending on the specific issue, but it may range from $100 to $500 or more, considering parts and labor costs.
9. How long does it take to repair OBDII code P10C8 GMC?
- The repair time can vary based on the exact cause of the code and the complexity of the repair needed, but it may take anywhere from a few hours to a full day at a mechanic's shop.
10. Can resetting the OBDII code P10C8 GMC make it go away permanently?
- Resetting the code may temporarily turn off the check engine light, but if the underlying issue is not addressed, the code is likely to reappear. It's important to diagnose and repair the root cause of the problem to prevent further issues.
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