AutoCodes – Buick – P10B8 Buick

P10B8 Buick Code - Mass Air Flow Sensor Barometric Pressure Sensor Signal 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
P10B8 Buick indicates Mass Air Flow Sensor Barometric Pressure Sensor Signal 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 358
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 26, 2022
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Code P10B8 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 Mass Air Flow Sensor Barometric Pressure Sensor Signal Message Counter Incorrect Bank 2.
OBDII Code P10B8 Buick - Mass Air Flow Sensor Barometric Pressure Sensor Signal Message Counter Incorrect Bank 2 - AutoCodes.com
P10B8 Buick Code - Mass Air Flow Sensor Barometric Pressure Sensor Signal Message Counter Incorrect Bank 2

What are the Possible Causes of the DTC P10B8 Buick?

  • 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 P10B8 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 P10B8 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.

Need more information about the P10B8 Buick code?

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Need Help with the 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 P10B8 Buick Code

What does the OBDII code P10B8 mean on a Buick?

The P10B8 code indicates an issue with the Mass Air Flow (MAF) sensor or Barometric Pressure (BARO) sensor on Bank 2, specifically related to an incorrect signal message counter.

What are the common symptoms of code P10B8 in a Buick?

Symptoms include a check engine light, poor engine performance, reduced fuel efficiency, rough idling, and possibly hesitation during acceleration.

What causes the P10B8 code to appear?

Common causes include a malfunctioning MAF or BARO sensor, faulty wiring or connectors, calibration errors, or an issue with the vehicle's ECM (Engine Control Module).

Can a dirty MAF sensor cause the P10B8 code on a Buick?

Yes, a dirty or contaminated MAF sensor can cause incorrect readings, leading to the P10B8 code.

How can I diagnose the P10B8 code on my Buick?

Start by inspecting the MAF and BARO sensors, checking for dirt, damage, or loose connections. Use a diagnostic scanner to monitor sensor data and ensure signal consistency.

Is it safe to drive my Buick with the P10B8 code?

Driving with this code may not immediately harm your vehicle, but it can lead to reduced performance and fuel economy. Prolonged driving without repairs could cause further damage.

How can I fix the P10B8 code on my Buick?

Repairs may include cleaning or replacing the MAF or BARO sensors, repairing damaged wiring or connectors, or reprogramming the ECM if necessary.

Does the P10B8 code affect only Bank 2 of the engine?

Yes, this code is specific to Bank 2, which refers to the side of the engine opposite Bank 1 in a V-type engine.

Can a faulty ECM cause the P10B8 code?

Yes, a malfunctioning ECM can misinterpret sensor signals, resulting in the P10B8 code being triggered.

How much does it cost to repair the P10B8 code on a Buick?

Repair costs vary depending on the issue but typically range from $100 to $400 for sensor replacement or wiring repairs. ECM reprogramming or replacement may cost more.

Discuss the causes and fixes for P10B8 Buick OBDII Code

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