AutoCodes – Chevrolet – P100A 2014 Chevrolet Silverado

P100A 2014 Chevrolet Silverado Code - Turbocharger Boost Control 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 Turbocharger Boost Control. 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: P100A 2014 Chevrolet Silverado indicates Turbocharger Boost Control Signal Message Counter Incorrect.
Common causes: Common causes include Faulty Turbocharger Boost Control.
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 346

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 Aug 19, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P100A 2014 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 Turbocharger Boost Control Signal Message Counter is Incorrect.

OBDII Code P100A 2014 Chevrolet Silverado - Turbocharger Boost Control Signal Message Counter Incorrect - AutoCodes.com — P100A 2014 Chevrolet Silverado Code - Turbocharger Boost Control Signal Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P100A 2014 Chevrolet Silverado?

Faulty Turbocharger Boost Control

How to Fix the DTC P100A 2014 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 P100A 2014 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 P100A 2014 Chevrolet Silverado code?

Need more information on how to fix the P100A 2014 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 P100A 2014 Chevrolet Silverado Code

What does the OBDII code P100A mean on a 2014 Chevrolet Silverado?

P100A indicates an issue with the turbocharger boost control signal, specifically that the message counter value is incorrect, which may impact turbocharger performance.

What are the common symptoms of code P100A?

Symptoms may include reduced engine power, poor acceleration, increased fuel consumption, and the check engine light being illuminated.

What causes the P100A code to appear?

Common causes include a faulty turbocharger boost control module, wiring or connector issues, or a software glitch in the engine control module (ECM).

How can I diagnose the P100A code?

Start by inspecting the wiring and connectors related to the turbocharger boost control system for damage or corrosion. Use a scan tool to check for additional codes and monitor the turbocharger boost data.

Can a dirty or failing turbocharger cause the P100A code?

While a dirty or failing turbocharger may cause boost issues, this specific code is more likely related to an electronic or communication problem, not the turbocharger itself.

Is it safe to drive with the P100A code?

While the vehicle may still be drivable, it could experience reduced engine performance. Driving for extended periods with this code may cause further damage or strain on the engine.

How do I fix the P100A code on a 2014 Chevrolet Silverado?

Repairs may include replacing a faulty turbocharger boost control module, repairing wiring or connectors, or updating the ECM software if applicable.

Can a software update resolve the P100A code?

Yes, in some cases, a software update for the ECM may resolve communication issues causing the P100A code.

How much does it typically cost to repair the P100A code?

Repair costs vary depending on the issue, but replacing a turbocharger boost control module can range from $200 to $600, plus labor.

Can a faulty turbocharger wastegate actuator trigger the P100A code?

While the wastegate actuator can cause boost-related problems, the P100A code specifically relates to the boost control signal, so it's not the most likely cause.