P10B8 2017 GMC Sierra Code - Mass Air Flow Sensor Barometric Pressure Sensor Signal Message Counter Incorrect Bank 2
Quick Answer
The diagnostic trouble code P10B8 in a 2017 GMC Sierra indicates that there is an issue with the Mass Air Flow (MAF) Sensor Barometric Pressure Sensor Signal Message Counter on Bank 2. Common causes include Faulty Mass Air Flow Sensor, Faulty Barometric Pressure Sensor, Wiring issues. 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 2017 GMC Sierra indicates Mass Air Flow Sensor Barometric Pressure Sensor Signal Message Counter Incorrect Bank 2.
- Common causes
- Common causes include Faulty Mass Air Flow Sensor, Faulty Barometric Pressure Sensor, Wiring issues.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P10B8 2017 GMC Sierra Description
The diagnostic trouble code P10B8 in a 2017 GMC Sierra indicates that there is an issue with the Mass Air Flow (MAF) Sensor Barometric Pressure Sensor Signal Message Counter on Bank 2. The Mass Air Flow Sensor measures the amount of air entering the engine to determine the correct air-fuel mixture for combustion, while the Barometric Pressure Sensor measures the atmospheric pressure to help the engine control module adjust fuel delivery and ignition timing. When the signal message counter is incorrect on Bank 2, it means that the data being received by the engine control module is not within the expected range, leading to potential performance issues.
Common Causes of P10B8 2017 GMC Sierra
- Faulty Mass Air Flow Sensor
- Faulty Barometric Pressure Sensor
- Wiring issues
- Engine control module malfunction
- Vacuum leaks
Symptoms of P10B8 2017 GMC Sierra
- Rough idling
- Stalling
- Hesitation during acceleration
- Decreased fuel efficiency
- Engine misfires
How to Fix P10B8 2017 GMC Sierra
- Begin by conducting a visual inspection of the Mass Air Flow Sensor, Barometric Pressure Sensor, and related wiring for any visible damage or loose connections.
- Use a diagnostic scanner to check for specific trouble codes and sensor readings to pinpoint the exact cause of the issue.
- Test the Mass Air Flow Sensor and Barometric Pressure Sensor using a multimeter to ensure they are functioning within the manufacturer's specifications.
- If necessary, replace the faulty sensor or repair any wiring issues identified during the diagnostic process.
- Clear the trouble codes and perform a test drive to verify that the issue has been resolved.
Cost to Fix P10B8 2017 GMC Sierra
The typical repair costs for addressing a Mass Air Flow Sensor Barometric Pressure Sensor Signal Message Counter Incorrect Bank 2 code can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more precise estimate. Most auto repair shops commonly charge between $80 and $150 per hour for labor.
Need more information about the P10B8 2017 GMC Sierra code?
Need more information on how to fix the P10B8 2017 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P10B8 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P10B8 2017 GMC Sierra Code
1. What does the OBDII code P10B8 mean on a 2017 GMC Sierra?
P10B8 indicates that the Mass Air Flow (MAF) sensor and the Barometric Pressure sensor on Bank 2 are sending an incorrect message counter signal to the engine control module (ECM).
2. What are common symptoms of the P10B8 code?
Symptoms may include poor engine performance, reduced fuel efficiency, rough idling, hesitation during acceleration, and the check engine light being illuminated.
3. What causes the P10B8 code to appear?
Common causes include a faulty Mass Air Flow sensor, a damaged Barometric Pressure sensor, wiring or connector issues, or a malfunctioning ECM.
4. Can a dirty air filter trigger the P10B8 code?
While it’s unlikely to directly cause this code, a dirty air filter can affect airflow readings and should be checked and replaced if necessary.
5. How do you diagnose the P10B8 code on a 2017 GMC Sierra?
Diagnosis involves using a scan tool to confirm the code, inspecting the MAF and Barometric Pressure sensors, checking for damaged wiring or loose connections, and verifying the sensors' signal outputs.
6. Can I drive my 2017 GMC Sierra with the P10B8 code active?
Driving with this code may be possible, but it can lead to reduced performance and potential damage to the engine if not addressed promptly.
7. How do you fix the P10B8 code?
Repairs may include cleaning or replacing the MAF sensor, replacing the Barometric Pressure sensor, repairing wiring or connectors, or reprogramming/updating the ECM.
8. Is the P10B8 code specific to Bank 2?
Yes, this code specifically refers to an issue with the MAF and Barometric Pressure sensor signals on Bank 2 of the engine.
9. How much does it cost to fix the P10B8 code?
Repair costs can vary, but replacing a MAF sensor typically ranges from $200 to $350, while wiring repairs or ECM updates may cost more depending on labor rates.
10. Can a vacuum leak cause the P10B8 code?
Although not a direct cause, a vacuum leak can affect airflow and pressure readings, potentially contributing to related sensor issues.
Discuss the causes and fixes for P10B8 2017 GMC Sierra OBDII Code
Code P10B8 2017 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.