AutoCodes – Generic – P10B7

P10B7 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 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 737

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 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 - Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 2 - AutoCodes.com — P10B7 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?

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?

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 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 code?

Need more information on how to fix the P10B7 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P10B7 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P10B7 Buick — Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 2
P10B7 Cadillac — Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 2
P10B7 Chevrolet — Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 2
P10B7 GMC — Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 2

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 Code

1. What are the common symptoms of OBDII code P10B7 related to the Mass Air Flow Sensor Intake Air Signals on Bank 2?

Symptoms may include rough idling, reduced engine performance, stalling, and an illuminated check engine light.

2. What are the possible causes of OBDII code P10B7?

Possible causes include a faulty mass air flow sensor, damaged wiring or connectors in the intake air system, or a problem with the engine control module.

3. How can I diagnose the issue related to OBDII code P10B7?

Diagnosis typically involves inspecting the mass air flow sensor, checking the intake air system for any damage, and using a scan tool to monitor sensor readings.

4. Can a dirty air filter cause OBDII code P10B7 to appear?

Yes, a dirty or clogged air filter can disrupt the intake air signals and trigger this fault code.

5. How important is it to address OBDII code P10B7 promptly?

It is important to address this code promptly to prevent potential damage to the engine and ensure optimal performance and fuel efficiency.

6. Is it possible to reset OBDII code P10B7 without fixing the underlying issue?

While you can clear the code with a scan tool, it will likely reappear if the root cause of the problem is not resolved.

7. Are there any DIY repair tips for resolving OBDII code P10B7?

DIY repair tips may include cleaning or replacing the mass air flow sensor, checking and repairing any damaged wiring, and ensuring the intake air system is free from obstructions.

8. Can a mechanic help with diagnosing and repairing OBDII code P10B7?

Yes, a mechanic can use their expertise and specialized tools to accurately diagnose the issue and perform the necessary repairs to fix the fault code.

9. How much does it typically cost to repair OBDII code P10B7 at a repair shop?

The cost of repairing this code can vary depending on the extent of the issue, the labor rates of the repair shop, and the cost of any parts that need to be replaced.

10. Will driving with OBDII code P10B7 active cause further damage to my vehicle?

Continued driving with this fault code may lead to decreased fuel efficiency, engine performance issues, and potential damage to other components over time. It is advisable to address the issue promptly.