P158A 2015 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 2015 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.
Code P158A 2015 GMC Sierra Description
What are the Possible Causes of the DTC P158A 2015 GMC Sierra?
- Reprogram Body Control Module (BCM)
- Reprogram Engine Control Module (ECM)
How to Fix the DTC P158A 2015 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 2015 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 2015 GMC Sierra code?
Need more information on how to fix the P158A 2015 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P158A 2015 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P158A 2015 GMC Sierra Code
1. What does the OBDII code P158A mean on a 2015 GMC Sierra?
P158A indicates that the cruise control calibration is incorrect, suggesting a mismatch or issue with the cruise control system's programming or calibration.
2. What are the common symptoms of code P158A in a 2015 GMC Sierra?
Symptoms may include the cruise control not engaging, disengaging unexpectedly, or not functioning as intended.
3. What causes the P158A code in a 2015 GMC Sierra?
Common causes include incorrect programming of the cruise control module, a failed calibration, or issues with related sensors and modules.
4. Can I still drive my 2015 GMC Sierra with code P158A?
Yes, you can usually drive the vehicle, but the cruise control system may not work properly, and it’s best to address the issue promptly.
5. How do I fix the P158A code on my 2015 GMC Sierra?
Fixes may include reprogramming or recalibrating the cruise control module, updating the vehicle's software, or diagnosing and replacing any faulty sensors.
6. Will clearing the P158A code solve the problem on a 2015 GMC Sierra?
Clearing the code may temporarily remove it, but if the underlying issue is not fixed, the code will likely return.
7. How is the P158A code diagnosed?
A technician will use a scan tool to check for related codes, verify the cruise control operation, and ensure the system's calibration matches factory specifications.
8. What tools are needed to fix the P158A code on a 2015 GMC Sierra?
You may need a professional-grade diagnostic scan tool capable of reprogramming or calibrating the cruise control system.
9. Could a faulty sensor cause the P158A code on a 2015 GMC Sierra?
Yes, a malfunctioning sensor, such as the brake pedal position sensor or throttle position sensor, could contribute to cruise control calibration errors.
10. Is the P158A code covered under warranty for a 2015 GMC Sierra?
It depends on your vehicle’s warranty terms. If the issue is related to a manufacturer defect, it might be covered. Check with your dealership for details.
Discuss the causes and fixes for P158A 2015 GMC Sierra OBDII Code
Code P158A 2015 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
