AutoCodes – GMC – P10B6 2018 GMC Sierra

P10B6 2018 GMC Sierra Code - Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 1

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: P10B6 2018 GMC Sierra indicates Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 1.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 147

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P10B6 2018 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 1.

OBDII Code P10B6 2018 GMC Sierra - Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 1 - AutoCodes.com — P10B6 2018 GMC Sierra Code - Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 1

What does this mean?

What are the Possible Causes of the DTC P10B6 2018 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 P10B6 2018 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 P10B6 2018 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 P10B6 2018 GMC Sierra code?

Need more information on how to fix the P10B6 2018 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P10B6 2018 GMC Sierra 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 P10B6 2018 GMC Sierra Code

What does the OBDII code P10B6 mean for my 2018 GMC Sierra?

P10B6 indicates that the Mass Air Flow (MAF) sensor is reporting an incorrect message count for intake air signals from Bank 1, suggesting a communication issue or malfunction.

What are the common symptoms associated with the P10B6 code?

Common symptoms include poor engine performance, rough idling, decreased fuel efficiency, increased emissions, and possible triggering of the check engine light.

What could cause the P10B6 code to trigger?

Causes can include a faulty MAF sensor, damaged wiring or connectors, vacuum leaks near the MAF sensor, or issues with the engine control module (ECM).

How can I diagnose the P10B6 code?

Start by inspecting the MAF sensor and its wiring for damage or corrosion, then check for vacuum leaks. Use a scan tool to monitor MAF readings and confirm sensor operation.

Is it safe to drive my GMC Sierra with the P10B6 code?

While it may be safe for short distances, driving with this code can lead to poor performance and increased emissions. It's advisable to address the issue as soon as possible.

What repairs might be necessary to fix the P10B6 code?

Repairs may include replacing the MAF sensor, repairing or replacing damaged wiring or connectors, or resolving vacuum leaks. In some cases, reprogramming or replacing the ECM might be needed.

Can I clear the P10B6 code after making repairs?

Yes, after addressing the underlying issue, you can clear the code using an OBDII scanner. However, it's essential to ensure that the problem is resolved to prevent the code from reappearing.

Will the P10B6 code affect my vehicleâ€™s emissions?

Yes, this code can lead to increased emissions due to improper air-fuel mixture caused by the malfunctioning MAF sensor, which may cause your vehicle to fail an emissions test.

How much does it typically cost to fix the issues related to the P10B6 code?

Repair costs can vary widely, ranging from $100 to $500, depending on whether the MAF sensor needs replacement or if there are other underlying issues to address.