AutoCodes – GMC – P158A 2016 GMC Sierra

P158A 2016 GMC Sierra Code - Cruise Control Calibration Incorrect

Quick Answer

The type of cruise control system the vehicle has is programmed into the Body Control Module (BCM) and the Engine Control Module (ECM). Common causes include Reprogram Body Control Module (BCM), Reprogram Engine Control Module (ECM). 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: P158A 2016 GMC Sierra indicates Cruise Control Calibration Incorrect.
Common causes: Common causes include Reprogram Body Control Module (BCM), Reprogram Engine Control Module (ECM).
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 197

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 Aug 16, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P158A 2016 GMC Sierra Description

The type of cruise control system the vehicle has is programmed into the Body Control Module (BCM) and the Engine Control Module (ECM). If this information is not the same in both modules Diagnostic Trouble Code (DTC) P158A will be set.

OBDII Code P158A 2016 GMC Sierra - Cruise Control Calibration Incorrect - AutoCodes.com — P158A 2016 GMC Sierra Code - Cruise Control Calibration Incorrect

What does this mean?

What are the Possible Causes of the DTC P158A 2016 GMC Sierra?

Reprogram Body Control Module (BCM)
Reprogram Engine Control Module (ECM)

How to Fix the DTC P158A 2016 GMC Sierra?

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 P158A 2016 GMC Sierra 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 P158A 2016 GMC Sierra code?

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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 P158A 2016 GMC Sierra Code

1. What does the OBDII code P158A mean on a 2016 GMC Sierra?

The P158A code indicates that the cruise control calibration is incorrect or not properly set.

2. What are the common symptoms of code P158A on a 2016 GMC Sierra?

Symptoms may include the cruise control not engaging, erratic cruise control behavior, or an illuminated Check Engine Light.

3. What causes the P158A code to appear on a 2016 GMC Sierra?

This code is often caused by a failed software calibration, a malfunctioning cruise control module, or improper installation of certain components.

4. Can I still drive my 2016 GMC Sierra with a P158A code?

Yes, but cruise control functionality may be limited or unavailable. It is recommended to address the issue to restore proper operation.

5. How is code P158A diagnosed on a 2016 GMC Sierra?

A technician will use a scan tool to verify the code, check for related codes, inspect the cruise control system, and ensure proper calibration settings.

6. How do you fix the P158A code on a 2016 GMC Sierra?

Repairs may involve reprogramming or updating the vehicleâ€™s software, recalibrating the cruise control system, or replacing faulty components.

7. Does the P158A code require a software update on a 2016 GMC Sierra?

In many cases, a software update or reflash from the dealership may be necessary to resolve the issue.

8. Can a faulty cruise control module cause code P158A on a 2016 GMC Sierra?

Yes, a malfunctioning cruise control module can trigger this code if it fails to communicate or calibrate properly.

9. How much does it cost to fix the P158A code on a 2016 GMC Sierra?

Repair costs can vary but typically range from $100 to $300, depending on whether software updates or part replacements are needed.

10. Can I reset the P158A code on my 2016 GMC Sierra without fixing the problem?

Clearing the code without resolving the issue will only provide a temporary fix, and the code will likely return. Proper diagnosis and repair are necessary.