Engine-CodesGMC – P10B7 2016 GMC Sierra

P10B7 2016 GMC Sierra Code - Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 2

Quick Answer

The P10B7 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a problem with the Mass Air Flow (MAF) Sensor Intake Air Signals Message Counter being incorrect in Bank 2. Common causes include Faulty MAF sensor, Damaged wiring or connectors in the MAF sensor circuit, Vacuum leak in the intake system. 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 2016 GMC Sierra indicates Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 2.
Common causes
Common causes include Faulty MAF sensor, Damaged wiring or connectors in the MAF sensor circuit, Vacuum leak in the intake system.
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.
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code P10B7 2016 GMC Sierra Description

The P10B7 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a problem with the Mass Air Flow (MAF) Sensor Intake Air Signals Message Counter being incorrect in Bank 2. The MAF sensor plays a crucial role in the engine's operation by measuring the amount of air entering the engine to ensure the correct air-fuel ratio for combustion. When the MAF sensor signals are not being received or interpreted correctly by the engine control module (ECM) in Bank 2, it can lead to a variety of performance issues.

OBDII Code P10B7 2016 GMC Sierra - Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 2
P10B7 2016 GMC Sierra Code - Mass Air Flow Sensor Intake Air Signals Message Counter Incorrect Bank 2

Common Causes of P10B7 2016 GMC Sierra

  1. Faulty MAF sensor
  2. Damaged wiring or connectors in the MAF sensor circuit
  3. Vacuum leak in the intake system
  4. ECM malfunction
  5. Contaminated MAF sensor

Symptoms of P10B7 2016 GMC Sierra

  1. Rough idling
  2. Stalling
  3. Hesitation during acceleration
  4. Decreased fuel efficiency
  5. Engine misfires

How to Fix P10B7 2016 GMC Sierra

  1. Begin by conducting a visual inspection of the MAF sensor, wiring, and connectors for any visible damage or contamination.
  2. Use a multimeter to test the MAF sensor's voltage and resistance to determine if it is functioning within the manufacturer's specifications.
  3. Check for any vacuum leaks in the intake system by performing a smoke test or using a vacuum gauge.
  4. If the MAF sensor is found to be faulty, replace it with a new OEM or high-quality aftermarket sensor.
  5. Clear the DTC with a scan tool and perform a test drive to ensure the issue has been resolved.

Cost to Fix P10B7 2016 GMC Sierra

The cost of repairing a P10B7 code on a 2016 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of a new MAF sensor can range from $100 to $300, while labor costs for diagnosis and replacement can add another $100 to $200. Overall, the total repair cost for this issue may fall between $200 and $500, but it is advisable to check with local auto repair shops for more accurate estimates based on your location and vehicle specifics.

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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 P10B7 2016 GMC Sierra Code

1. What does the P10B7 code mean on a 2016 GMC Sierra?

The P10B7 code indicates an issue with the Mass Air Flow (MAF) sensor or intake air signal message counter being incorrect on Bank 2.

2. What are the symptoms of the P10B7 code on a 2016 GMC Sierra?

Common symptoms include poor engine performance, reduced fuel efficiency, rough idling, hesitation during acceleration, or an illuminated check engine light.

3. What causes the P10B7 code on a 2016 GMC Sierra?

Possible causes include a faulty Mass Air Flow (MAF) sensor, wiring or connector issues, intake air leaks, or a problem with the engine control module (ECM).

4. Can driving with the P10B7 code cause damage to my 2016 GMC Sierra?

Driving with this code for an extended period may lead to poor engine performance and potential long-term damage to the engine or emissions system.

5. How do I diagnose the P10B7 code on a 2016 GMC Sierra?

Diagnosing involves inspecting the MAF sensor, checking for damaged wiring or loose connections, looking for air leaks in the intake system, and using a scan tool to monitor air signal data.

6. How can I fix the P10B7 code on a 2016 GMC Sierra?

Repairs may include cleaning or replacing the MAF sensor, repairing damaged wiring, securing intake system connections, or updating/reprogramming the ECM if necessary.

7. Can a dirty air filter trigger the P10B7 code on a 2016 GMC Sierra?

Yes, a dirty or clogged air filter can restrict airflow and potentially contribute to issues with the MAF sensor, leading to the P10B7 code.

8. Is the P10B7 code specific to Bank 2 on the 2016 GMC Sierra?

Yes, the code specifically points to an issue with the MAF sensor or intake air signal on Bank 2 (the side of the engine opposite Bank 1).

9. How much does it cost to fix the P10B7 code on a 2016 GMC Sierra?

The cost varies depending on the repair, but replacing a MAF sensor typically ranges from $150 to $400, including parts and labor.

10. Can a faulty ECM cause the P10B7 code on a 2016 GMC Sierra?

Yes, while less common, a malfunctioning engine control module (ECM) can cause incorrect signal readings and trigger the P10B7 code.

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