AutoCodes – Chevrolet – P100E 2018 Chevrolet Silverado

P100E 2018 Chevrolet Silverado Code - Accelerator Pedal Position 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 Accelerator Pedal Position Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal Position 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: P100E 2018 Chevrolet Silverado indicates Accelerator Pedal Position Signal Message Counter Incorrect.
Common causes: Common causes include Faulty Accelerator Pedal Position Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal Position 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 350

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 P100E 2018 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 Accelerator Pedal Position Signal Message Counter is Incorrect.

OBDII Code P100E 2018 Chevrolet Silverado - Accelerator Pedal Position Signal Message Counter Incorrect - AutoCodes.com — P100E 2018 Chevrolet Silverado Code - Accelerator Pedal Position Signal Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P100E 2018 Chevrolet Silverado?

Faulty Accelerator Pedal Position Sensor
Accelerator Pedal Position Sensor harness is open or shorted
Accelerator Pedal Position Sensor circuit poor electrical connection

How to Fix the DTC P100E 2018 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 P100E 2018 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 P100E 2018 Chevrolet Silverado code?

Need more information on how to fix the P100E 2018 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 P100E 2018 Chevrolet Silverado Code

1. What does the OBDII code P100E mean on a 2018 Chevrolet Silverado?

P100E indicates an issue with the Accelerator Pedal Position Signal Message Counter being incorrect, which may disrupt communication between the pedal and the engine control module (ECM).

2. What are the common symptoms of code P100E?

Symptoms may include reduced engine performance, poor throttle response, the vehicle entering limp mode, or the check engine light illuminating.

3. What causes the P100E code on a Chevrolet Silverado?

The code is typically caused by a malfunctioning accelerator pedal position sensor, wiring issues, or communication errors between the sensor and ECM.

4. Can I drive my Silverado with the P100E code?

Driving with this code may be possible but is not recommended, as it can lead to reduced performance or unsafe driving conditions due to throttle issues.

5. How can I diagnose the P100E code?

Start by checking the accelerator pedal position sensor for faults, inspecting the wiring and connectors, and verifying communication signals using a diagnostic scan tool.

6. How do I fix the P100E code?

Repairs may involve replacing the accelerator pedal position sensor, repairing damaged wiring or connectors, or updating the ECM software.

7. How much does it cost to fix the P100E code?

Repair costs can vary, but replacing the accelerator pedal position sensor typically costs between $100 and $300, excluding labor.

8. Can a dirty throttle body cause the P100E code?

A dirty throttle body is unlikely to cause this specific code, as the issue relates directly to the accelerator pedal position signal.

9. Will resetting the ECM clear the P100E code?

Resetting the ECM may temporarily clear the code, but it will likely return unless the underlying issue is resolved.

10. Do I need to replace the accelerator pedal assembly to fix the P100E code?

In most cases, only the accelerator pedal position sensor needs replacement, but a full assembly replacement may be necessary if the sensor is integrated and cannot be replaced separately.