AutoCodes – Chevrolet – P10B9 2015 Chevrolet Silverado

P10B9 2015 Chevrolet Silverado Code - Mass Air Flow Sensor Barometric Pressure Sensor Signal 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: P10B9 2015 Chevrolet Silverado indicates Mass Air Flow Sensor Barometric Pressure Sensor Signal 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.

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Code Popularity 199

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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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 P10B9 2015 Chevrolet Silverado 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 Barometric Pressure Sensor Signal Message Counter Incorrect Bank 1.

OBDII Code P10B9 2015 Chevrolet Silverado - Mass Air Flow Sensor Barometric Pressure Sensor Signal Message Counter Incorrect Bank 1 - AutoCodes.com — P10B9 2015 Chevrolet Silverado Code - Mass Air Flow Sensor Barometric Pressure Sensor Signal Message Counter Incorrect Bank 1

What does this mean?

What are the Possible Causes of the DTC P10B9 2015 Chevrolet Silverado?

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 P10B9 2015 Chevrolet Silverado?

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 P10B9 2015 Chevrolet Silverado 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 P10B9 2015 Chevrolet Silverado code?

Need more information on how to fix the P10B9 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 P10B9 2015 Chevrolet Silverado Code

1. What does the OBDII code P10B9 mean on a 2015 Chevrolet Silverado?

The P10B9 code indicates that the Mass Air Flow (MAF) sensor and Barometric Pressure (BARO) sensor on Bank 1 are reporting an incorrect signal message counter.

2. What are the common symptoms of the P10B9 code?

Symptoms may include reduced engine performance, poor fuel efficiency, difficulty starting, rough idling, or an illuminated Check Engine Light.

3. What causes the P10B9 code to appear?

Common causes include a faulty MAF sensor, BARO sensor malfunction, wiring issues, a bad electrical connection, or software-related problems in the Engine Control Module (ECM).

4. How do I diagnose the P10B9 code?

Diagnose the code by scanning for additional trouble codes, inspecting the MAF and BARO sensors for damage or contamination, and checking the wiring and connectors for loose or corroded connections.

5. Can a dirty air filter cause the P10B9 code?

While unlikely, a heavily clogged air filter can affect MAF sensor readings, which might contribute to the issue. Replacing the air filter is a simple step to rule out this possibility.

6. Is it safe to drive with the P10B9 code?

Driving with the P10B9 code is not recommended, as it can lead to poor engine performance, higher emissions, and potential long-term damage to the engine.

7. How do I fix the P10B9 code on a 2015 Chevrolet Silverado?

Repairs may include cleaning or replacing the MAF sensor, replacing a faulty BARO sensor, repairing damaged wiring, or reprogramming the ECM if required.

8. Can a software update resolve the P10B9 code?

Yes, in some cases, an ECM software update or reflash may be needed to correct communication issues between the sensors.

9. How much does it cost to repair the P10B9 code?

Repair costs vary depending on the issue but can range from $100 to $300 for sensor cleaning or replacement, while ECM reprogramming may cost $100 to $200.

10. How can I prevent the P10B9 code from recurring?

Regular maintenance, such as keeping the air intake system clean, checking sensor connections, and addressing issues promptly, can help prevent this code from returning.