AutoCodes – Chevrolet – P155D Chevrolet

P155D Chevrolet Code - Hill Descent Control Message Counter Incorrect

Quick Answer

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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: P155D Chevrolet indicates Hill Descent Control Message Counter Incorrect.
Common causes: Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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 1,556

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 P155D Chevrolet 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 Hill Descent Control Message Counter is Incorrect.

OBDII Code P155D Chevrolet - Hill Descent Control Message Counter Incorrect - AutoCodes.com — P155D Chevrolet Code - Hill Descent Control Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P155D Chevrolet?

Faulty Transmission Control Module (TCM)
Transmission Control Module harness is open or shorted
Transmission Control Module circuit poor electrical connection

How to Fix the DTC P155D Chevrolet?

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 P155D Chevrolet 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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Need more information on how to fix the P155D Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P155D Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

P155D 2014 Chevrolet Silverado — Hill Descent Control Message Counter Incorrect
P155D 2015 Chevrolet Silverado — Hill Descent Control Message Counter Incorrect
P155D 2016 Chevrolet Silverado — Hill Descent Control Message Counter Incorrect
P155D 2017 Chevrolet Silverado — Hill Descent Control Message Counter Incorrect
P155D 2018 Chevrolet Silverado — Hill Descent Control Message Counter Incorrect

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 P155D Chevrolet Code

1. What are the common symptoms of OBDII code P155D in a Chevrolet related to Hill Descent Control Message Counter Incorrect?

The common symptoms include the Hill Descent Control system not functioning properly, the message counter displaying incorrect information, and possibly a warning light on the dashboard.

2. What can cause the OBDII code P155D in a Chevrolet related to Hill Descent Control Message Counter Incorrect?

The code P155D can be triggered by a malfunction in the Hill Descent Control module, a software issue, faulty wiring, or a communication error within the system.

3. How can I diagnose the OBDII code P155D in a Chevrolet related to Hill Descent Control Message Counter Incorrect?

Diagnosing the code P155D typically requires using an OBDII scanner to retrieve the specific fault codes, checking the wiring and connections related to the Hill Descent Control module, and performing a system reset.

4. Can I still drive my Chevrolet with the OBDII code P155D related to Hill Descent Control Message Counter Incorrect?

While it may be possible to drive the vehicle with this code, it is recommended to have the issue diagnosed and repaired as soon as possible to ensure the proper functioning of the Hill Descent Control system.

5. How can I repair the OBDII code P155D in a Chevrolet related to Hill Descent Control Message Counter Incorrect?

Repairing the P155D code may involve resetting the system, checking and repairing any faulty wiring or connections, updating the software in the Hill Descent Control module, or replacing the module if necessary.

6. Is the OBDII code P155D in a Chevrolet related to Hill Descent Control Message Counter Incorrect a common issue?

While not extremely common, the P155D code related to Hill Descent Control Message Counter Incorrect can occur in Chevrolet vehicles, especially in models equipped with the Hill Descent Control feature.

7. How urgent is it to address the OBDII code P155D in a Chevrolet related to Hill Descent Control Message Counter Incorrect?

It is recommended to address the P155D code promptly to ensure the proper functioning of the Hill Descent Control system and to prevent any potential safety issues while driving in challenging terrain.

8. Can a DIY enthusiast fix the OBDII code P155D in a Chevrolet related to Hill Descent Control Message Counter Incorrect?

Depending on the root cause of the issue, some DIY enthusiasts with automotive repair experience may be able to diagnose and repair the P155D code related to the Hill Descent Control system. However, complex issues may require professional assistance.

9. Are there any recalls or technical service bulletins related to the OBDII code P155D in a Chevrolet with Hill Descent Control Message Counter Incorrect?

It is recommended to check with Chevrolet dealerships or online resources for any recalls or technical service bulletins related to the P155D code in Chevrolet vehicles with Hill Descent Control Message Counter Incorrect to see if there are any known solutions or updates.

10. How can I prevent the OBDII code P155D related to Hill Descent Control Message Counter Incorrect from occurring in my Chevrolet?

To prevent the P155D code from occurring, it is essential to properly maintain your vehicle, follow the manufacturer's recommended service schedule, and address any warning lights or issues promptly to avoid potential malfunctions in the Hill Descent Control system.