AutoCodes – Buick – P10C7 Buick

P10C7 Buick Code - Reductant Control System 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 Control System. 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: P10C7 Buick indicates Reductant Control System Signal Message Counter Incorrect.
Common causes: Common causes include Faulty Reductant Control System.
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 309

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 26, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P10C7 Buick 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 Control System Signal Message Counter is Incorrect.

OBDII Code P10C7 Buick - Reductant Control System Signal Message Counter Incorrect - AutoCodes.com — P10C7 Buick Code - Reductant Control System Signal Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P10C7 Buick?

Faulty Reductant Control System

How to Fix the DTC P10C7 Buick?

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 P10C7 Buick 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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Need Help with the Code?

Get the P10C7 Buick code diagnosed by a professional: Find a repair shop in your area

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 P10C7 Buick Code

1. What are common symptoms of OBDII code P10C7 in a Buick related to the Reductant Control System Signal Message Counter Incorrect?

The common symptoms include the Check Engine light illuminating on the dashboard and possible reduced engine performance.

2. What could be the possible causes of OBDII code P10C7 in a Buick?

Possible causes include a faulty reductant control module, wiring issues, software glitches, or communication errors within the reductant control system.

3. How can I diagnose the OBDII code P10C7 in my Buick?

Diagnosis typically involves using an OBDII scanner to retrieve the specific fault code, followed by a thorough inspection of the reductant control system components and wiring for any visible damage.

4. Can I continue driving my Buick with OBDII code P10C7 present?

While the vehicle may still be operational, it is recommended to address the issue promptly to prevent potential damage to the reductant control system and ensure optimal engine performance.

5. Are there any DIY repair tips for fixing OBDII code P10C7 in a Buick?

DIY repair options may include checking and securing all wiring connections related to the reductant control system, resetting the fault code with an OBDII scanner, or performing a software update if available.

6. How much does it typically cost to repair OBDII code P10C7 in a Buick at a dealership or mechanic?

The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $500 or more, including parts and labor.

7. Does OBDII code P10C7 affect vehicle emissions or fuel efficiency?

Yes, OBDII code P10C7 related to the Reductant Control System Signal Message Counter Incorrect can impact emissions levels and potentially lead to reduced fuel efficiency if not addressed in a timely manner.

8. Can a faulty reductant control module trigger OBDII code P10C7 in a Buick?

Yes, a malfunctioning reductant control module is one of the common culprits behind triggering OBDII code P10C7 in Buick vehicles due to its role in managing the reductant system signals.

9. Is it safe to clear the OBDII code P10C7 without fixing the underlying issue in my Buick?

While clearing the fault code may temporarily turn off the Check Engine light, it is crucial to address the root cause of the problem to prevent potential recurring issues and ensure proper vehicle operation.

10. Can a software update resolve OBDII code P10C7 in a Buick?

In some cases, a software update provided by the manufacturer may address communication errors or glitches causing OBDII code P10C7 in Buick vehicles, offering a potential solution to the issue.