AutoCodes – GMC – P158A 2017 GMC Sierra

P158A 2017 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 2017 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 257

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 2017 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 2017 GMC Sierra - Cruise Control Calibration Incorrect - AutoCodes.com — P158A 2017 GMC Sierra Code - Cruise Control Calibration Incorrect

What does this mean?

What are the Possible Causes of the DTC P158A 2017 GMC Sierra?

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

How to Fix the DTC P158A 2017 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 2017 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 2017 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 2017 GMC Sierra Code

1. What does the OBDII code P158A mean on a 2017 GMC Sierra?

P158A indicates that the Cruise Control Calibration is incorrect, often caused by incorrect module programming or software issues.

2. What are the symptoms of code P158A on a 2017 GMC Sierra?

Symptoms may include the cruise control not functioning properly, a malfunction indicator light (MIL) on the dashboard, or limited vehicle speed control.

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

Common causes include incorrect calibration of the cruise control module, faulty software updates, or a misaligned throttle position sensor.

4. Can I still drive my 2017 GMC Sierra with the P158A code?

Yes, you can drive the vehicle, but cruise control functionality may be impaired, and itâ€™s recommended to address the issue to avoid further complications.

5. How do I fix the P158A code on my GMC Sierra?

The fix typically involves reprogramming or recalibrating the cruise control system using a diagnostic scan tool at a dealership or qualified repair shop.

6. Is P158A a serious problem for my GMC Sierra?

While itâ€™s not critical for basic vehicle operation, it can affect your ability to use cruise control and could indicate a potential software or calibration issue that needs attention.

7. Can a software update resolve the P158A code on my 2017 GMC Sierra?

Yes, a software update or recalibration of the cruise control module using GM's official programming tools can often resolve the issue.

8. What tools are needed to diagnose and repair the P158A code?

A professional OBDII scan tool with GM-specific capabilities is required to diagnose and recalibrate the cruise control system.

9. Could a faulty throttle position sensor cause the P158A code?

Yes, a misaligned or malfunctioning throttle position sensor can contribute to this code, as it affects cruise control calibration.

10. How much does it cost to fix the P158A code on a 2017 GMC Sierra?

The cost can vary, but recalibration or reprogramming at a dealership typically ranges from $100 to $250, depending on labor rates and diagnostic time.