AutoCodes – Chevrolet – P10C8 Chevrolet

P10C8 Chevrolet 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 Chevrolet 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.
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Code Popularity 493
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 26, 2022
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Code P10C8 Chevrolet Description

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Operating information and commands are exchanged among the control modules. Each module on the serial data circuit maintains a transmit error counter and a receive error counter. The counter values increase with detected errors and decrease with error-free messages. The Diagnostic Trouble Code (DTC) will be set when the Reductant Temperature Signal Message Counter is Incorrect.
OBDII Code P10C8 Chevrolet - Reductant Temperature Signal Message Counter Incorrect - AutoCodes.com
P10C8 Chevrolet Code - Reductant Temperature Signal Message Counter Incorrect

What are the Possible Causes of the DTC P10C8 Chevrolet?

  • 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 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 P10C8 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.

Need more information about the P10C8 Chevrolet code?

Need more information on how to fix the P10C8 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P10C8 Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P10C8 Chevrolet Code

1. What are the common symptoms of OBDII code P10C8 in a Chevrolet related to the Reductant Temperature Signal Message Counter Incorrect?

- Common symptoms include the check engine light illuminating, reduced engine performance, and potential issues with the vehicle's emissions system.

2. What can cause the OBDII code P10C8 in a Chevrolet to trigger?

- The code P10C8 may be triggered by a faulty reductant temperature sensor, wiring issues, or a malfunction in the vehicle's engine control module.

3. How serious is the OBDII code P10C8 in a Chevrolet?

- While the code itself may not cause immediate harm to the vehicle, it can lead to increased emissions and potential compliance issues during emissions testing.

4. Can I continue driving my Chevrolet with the OBDII code P10C8 present?

- It is not recommended to ignore the code P10C8, as it can impact the vehicle's emissions and overall performance. It is advisable to address the issue promptly.

5. What are some DIY repair tips for fixing the OBDII code P10C8 in a Chevrolet?

- DIY repair tips may include checking and cleaning the reductant temperature sensor, inspecting the wiring for damage, and resetting the trouble code to see if it reoccurs.

6. How can a mechanic diagnose the OBDII code P10C8 in a Chevrolet?

- A mechanic may use a diagnostic scanner to retrieve the specific fault code, test the reductant temperature sensor's functionality, and inspect the wiring for any issues.

7. Is it necessary to replace the reductant temperature sensor when dealing with the OBDII code P10C8 in a Chevrolet?

- Depending on the diagnosis, replacing the reductant temperature sensor may be necessary to resolve the issue and clear the trouble code.

8. How much does it typically cost to repair the OBDII code P10C8 in a Chevrolet at a repair shop?

- Repair costs can vary depending on the underlying cause of the code P10C8, but it may range from $100 to $300 or more, including parts and labor.

9. What are the potential long-term effects of ignoring the OBDII code P10C8 in a Chevrolet?

- Ignoring the code P10C8 can lead to increased emissions, potential damage to the vehicle's catalytic converter, and compliance issues during emissions testing.

10. Can resetting the OBDII code P10C8 in a Chevrolet temporarily fix the issue?

- 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.

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