AutoCodes – GMC – P10B7 2015 GMC Sierra

P10B7 2015 GMC Sierra Code - Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 2

Quick Answer

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Mass Air Flow Sensor, Mass Air Flow Sensor harness is open or shorted, Mass Air Flow 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: P10B7 2015 GMC Sierra indicates Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 2.
Common causes: Common causes include Faulty Mass Air Flow Sensor, Mass Air Flow Sensor harness is open or shorted, Mass Air Flow 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 149

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 25, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P10B7 2015 GMC Sierra 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 Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 2.

OBDII Code P10B7 2015 GMC Sierra - Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 2 - AutoCodes.com — P10B7 2015 GMC Sierra Code - Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 2

What does this mean?

What are the Possible Causes of the DTC P10B7 2015 GMC Sierra?

Faulty Mass Air Flow Sensor
Mass Air Flow Sensor harness is open or shorted
Mass Air Flow Sensor circuit poor electrical connection

How to Fix the DTC P10B7 2015 GMC Sierra?

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 P10B7 2015 GMC Sierra 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 P10B7 2015 GMC Sierra code?

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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 P10B7 2015 GMC Sierra Code

1. What does the OBDII code P10B7 mean on a 2015 GMC Sierra?

P10B7 indicates an issue with the Mass Air Flow (MAF) sensor on Bank 2, where the intake air signals message counter is incorrect, suggesting a communication or sensor fault.

2. What are the common symptoms of code P10B7 on a 2015 GMC Sierra?

Symptoms may include reduced engine performance, poor fuel economy, rough idling, hesitation during acceleration, and an illuminated check engine light.

3. What causes the P10B7 code to appear on a 2015 GMC Sierra?

Common causes include a faulty Mass Air Flow sensor, wiring or connector issues, software glitches in the engine control module (ECM), or intake air leaks.

4. Can a dirty air filter cause the P10B7 code on a 2015 GMC Sierra?

While a dirty air filter may not directly trigger P10B7, it can affect airflow readings, potentially leading to related MAF sensor issues over time.

5. How do you diagnose the P10B7 code on a 2015 GMC Sierra?

Diagnosis involves checking the MAF sensor and its wiring, inspecting connectors for damage, and using a scan tool to monitor live data and verify signal consistency from the sensor.

6. Can I drive my 2015 GMC Sierra with the P10B7 code?

Driving with P10B7 is not recommended, as it can lead to poor engine performance, higher emissions, and possible long-term engine damage if left unresolved.

7. What repairs typically fix the P10B7 code on a 2015 GMC Sierra?

Repairs may include cleaning or replacing the MAF sensor, repairing damaged wiring or connectors, reprogramming or updating the ECM, or fixing intake system leaks.

8. How much does it cost to fix the P10B7 code on a 2015 GMC Sierra?

Repair costs vary but can range from $100 to $400 depending on whether the MAF sensor needs replacement, wiring repairs, or ECM reprogramming.

9. Can a vacuum leak cause the P10B7 code on a 2015 GMC Sierra?

Yes, a vacuum leak can disrupt airflow readings, potentially causing the MAF sensor to send incorrect signals and trigger the P10B7 code.

10. How can I prevent the P10B7 code from appearing again on my 2015 GMC Sierra?

Regular maintenance, including cleaning the MAF sensor, replacing the air filter as needed, and inspecting wiring and connectors, can help prevent this code from recurring.