AutoCodes – Chevrolet – P14BD 2016 Chevrolet Silverado

P14BD 2016 Chevrolet Silverado 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 2016 Chevrolet Silverado 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 235

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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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 2016 Chevrolet Silverado 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 2016 Chevrolet Silverado - Mass Air Flow Sensor Signal Message Counter Incorrect Bank 2 - AutoCodes.com — P14BD 2016 Chevrolet Silverado Code - Mass Air Flow Sensor Signal Message Counter Incorrect Bank 2

What does this mean?

What are the Possible Causes of the DTC P14BD 2016 Chevrolet Silverado?

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 2016 Chevrolet Silverado?

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 2016 Chevrolet Silverado 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 2016 Chevrolet Silverado code?

Need more information on how to fix the P14BD 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 P14BD 2016 Chevrolet Silverado Code

What does the OBDII code P14BD mean on a 2016 Chevrolet Silverado?

The P14BD code indicates an issue with the Mass Air Flow (MAF) sensor signal message counter being incorrect on Bank 2, which means the ECM is detecting an irregularity in the signal data from the MAF sensor.

What are the common symptoms of the P14BD code in a 2016 Chevrolet Silverado?

Symptoms may include poor engine performance, reduced fuel efficiency, rough idling, hesitation during acceleration, and an illuminated check engine light.

What causes the P14BD code to appear on a 2016 Chevrolet Silverado?

Possible causes include a malfunctioning MAF sensor, damaged wiring or connectors in the MAF sensor circuit, software issues in the ECM, or air leaks in the intake system.

How can I diagnose the P14BD code on my 2016 Chevrolet Silverado?

Start by inspecting the MAF sensor, its wiring, and connectors for damage. Check for air intake leaks, scan live data for irregular MAF readings, and update the ECM software if necessary.

Can a dirty air filter cause the P14BD code?

Yes, a clogged or dirty air filter can restrict airflow to the MAF sensor, potentially causing incorrect readings and triggering the P14BD code.

Is it safe to drive with the P14BD code active?

Driving with the P14BD code is generally not recommended, as it may lead to reduced engine performance and potential damage to other components if the underlying issue is not resolved.

How do I fix the P14BD code on my 2016 Chevrolet Silverado?

Repairs may include cleaning or replacing the MAF sensor, repairing damaged wiring or connectors, fixing air intake leaks, or reprogramming the ECM with updated software.

Will replacing the MAF sensor always fix the P14BD code?

Not necessarily. The issue could also be due to wiring problems, air leaks, or ECM software errors, so a proper diagnosis is essential before replacing the sensor.

Can a vacuum leak trigger the P14BD code?

Yes, a vacuum leak in the intake system can cause incorrect airflow readings, which may result in the P14BD code being set.

How much does it typically cost to fix the P14BD code on a 2016 Chevrolet Silverado?

Repair costs can vary but typically range from $150 to $400, depending on whether the MAF sensor needs replacement, wiring repairs are needed, or ECM reprogramming is required.