P14B6 2017 GMC Sierra Code - Mass Air Flow Sensor Signal Message Counter Incorrect
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
- P14B6 2017 GMC Sierra indicates Mass Air Flow Sensor Signal Message Counter Incorrect.
- 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.
Code P14B6 2017 GMC Sierra Description
What are the Possible Causes of the DTC P14B6 2017 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 P14B6 2017 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 P14B6 2017 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.
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Frequently Asked Questions about P14B6 2017 GMC Sierra Code
1. What does the P14B6 code mean on a 2017 GMC Sierra?
The P14B6 code indicates an issue with the Mass Air Flow (MAF) sensor signal message counter being incorrect, which may disrupt engine performance.
2. What are the common symptoms of the P14B6 code?
Symptoms may include poor engine performance, reduced fuel efficiency, rough idling, hesitation during acceleration, or an illuminated check engine light.
3. What causes the P14B6 code to appear?
Common causes include a faulty MAF sensor, wiring or connector issues, a defective powertrain control module (PCM), or software glitches in the vehicle's computer.
4. Can a dirty air filter trigger the P14B6 code?
While a dirty air filter itself may not trigger this specific code, it can affect the MAF sensor’s performance and contribute to airflow inconsistencies.
5. How do you diagnose the P14B6 code?
Diagnosis involves using an OBDII scanner to confirm the code, inspecting the MAF sensor and its wiring, and checking for related issues like air intake leaks or PCM faults.
6. Is it safe to drive with the P14B6 code active?
Driving with this code is not recommended, as it may cause poor engine performance and lead to further damage if left unaddressed.
7. How can the P14B6 code be fixed?
Repairs may include cleaning or replacing the MAF sensor, repairing damaged wiring or connectors, updating PCM software, or replacing the PCM if necessary.
8. Can I clear the P14B6 code without fixing the issue?
Clearing the code with an OBDII scanner may temporarily turn off the check engine light, but the issue will likely return if the underlying problem isn't resolved.
9. How much does it cost to fix a P14B6 code on a 2017 GMC Sierra?
The cost can vary, ranging from $100–$300 for MAF sensor cleaning or replacement, and higher if PCM repairs or updates are needed.
10. Can a software update fix the P14B6 code?
Yes, if the issue is related to a PCM software glitch, a software update from the dealership may resolve the problem.
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