AutoCodes – GMC – P14BD GMC

P14BD GMC Code - Mass Air Flow 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: P14BD GMC indicates Mass Air Flow 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 347

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 28, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P14BD GMC 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 Signal Message Counter Incorrect Bank 2.

OBDII Code P14BD GMC - Mass Air Flow Sensor Signal Message Counter Incorrect Bank 2 - AutoCodes.com — P14BD GMC Code - Mass Air Flow Sensor Signal Message Counter Incorrect Bank 2

What does this mean?

What are the Possible Causes of the DTC P14BD GMC?

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 P14BD GMC?

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 P14BD GMC 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 P14BD GMC code?

Need more information on how to fix the P14BD GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P14BD GMC code diagnosed by a professional: Find a repair shop in your area

Information for Specific GMC Models

P14BD 2014 GMC Sierra — Mass Air Flow Sensor Signal Message Counter Incorrect Bank 2
P14BD 2015 GMC Sierra — Mass Air Flow Sensor Signal Message Counter Incorrect Bank 2
P14BD 2016 GMC Sierra — Mass Air Flow Sensor Signal Message Counter Incorrect Bank 2
P14BD 2017 GMC Sierra — Mass Air Flow Sensor Signal Message Counter Incorrect Bank 2
P14BD 2018 GMC Sierra — Mass Air Flow Sensor Signal Message Counter Incorrect Bank 2

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 P14BD GMC Code

1. What are the common symptoms of OBDII code P14BD GMC?

The common symptoms of OBDII code P14BD GMC include rough idling, reduced engine performance, and potential stalling.

2. What does the OBDII code P14BD GMC indicate?

The OBDII code P14BD GMC indicates that the Mass Air Flow (MAF) sensor signal message counter is incorrect for Bank 2.

3. What are some possible causes of OBDII code P14BD GMC?

Possible causes of OBDII code P14BD GMC include a faulty MAF sensor, wiring issues, software glitches, or ECM problems.

4. How can I diagnose OBDII code P14BD GMC?

Diagnosing OBDII code P14BD GMC involves checking the MAF sensor for proper operation, inspecting the wiring for any damage, and scanning the ECM for potential software issues.

5. Can I drive my vehicle with OBDII code P14BD GMC?

It is not recommended to drive your vehicle with OBDII code P14BD GMC, as it can lead to further engine damage and potential safety risks.

6. How can I repair OBDII code P14BD GMC?

Repairing OBDII code P14BD GMC may involve replacing the faulty MAF sensor, repairing any damaged wiring, reprogramming the ECM, or seeking professional help for advanced diagnostics.

7. Will OBDII code P14BD GMC cause damage to other engine components?

If left unaddressed, OBDII code P14BD GMC can potentially cause damage to other engine components, leading to more extensive and costly repairs.

8. Can a dirty air filter trigger OBDII code P14BD GMC?

A dirty air filter may restrict airflow to the MAF sensor, causing erratic readings and potentially triggering OBDII code P14BD GMC.

9. How often should the Mass Air Flow sensor be inspected?

It is recommended to inspect the Mass Air Flow sensor during routine maintenance intervals or whenever you experience symptoms of poor engine performance.

10. Is it possible to reset OBDII code P14BD GMC without repairs?

Resetting OBDII code P14BD GMC without addressing the underlying issue may temporarily clear the code, but the problem will likely resurface, leading to ongoing performance issues.