AutoCodes – Chevrolet – P158A 2018 Chevrolet Silverado

P158A 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 1,479

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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado - Cruise Control Calibration Incorrect - AutoCodes.com — P158A 2018 Chevrolet Silverado Code - Cruise Control Calibration Incorrect

What does this mean?

What are the Possible Causes of the DTC P158A 2018 Chevrolet Silverado?

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

How to Fix the DTC P158A 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 P158A 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 P158A 2018 Chevrolet Silverado code?

Need more information on how to fix the P158A 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

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Get the P158A 2018 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

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 2018 Chevrolet Silverado Code

1. What does the OBDII code P158A on a 2018 Chevrolet Silverado indicate?

The code P158A on a 2018 Chevrolet Silverado indicates that the cruise control calibration is incorrect.

2. What are the common symptoms of the P158A code in a 2018 Chevrolet Silverado?

Common symptoms of the P158A code in a 2018 Chevrolet Silverado may include inoperative cruise control, erratic cruise control behavior, or a cruise control light on the dashboard.

3. What are the possible causes of the P158A code in a 2018 Chevrolet Silverado?

Possible causes of the P158A code in a 2018 Chevrolet Silverado include issues with the cruise control module, faulty wiring or connections related to the cruise control system, or a software glitch.

4. How can the P158A code in a 2018 Chevrolet Silverado be diagnosed?

Diagnosing the P158A code in a 2018 Chevrolet Silverado typically involves using an OBDII scanner to retrieve the code, inspecting the cruise control system components, checking for loose connections, and conducting a thorough cruise control system test.

5. How can the P158A code in a 2018 Chevrolet Silverado be repaired?

Repairing the P158A code in a 2018 Chevrolet Silverado may involve recalibrating the cruise control system, repairing or replacing any faulty components, ensuring proper wiring connections, and clearing the error code with an OBDII scanner.

6. Can I continue driving my 2018 Chevrolet Silverado with the P158A code present?

It is generally safe to continue driving your 2018 Chevrolet Silverado with the P158A code present, but it is recommended to address the issue promptly to ensure proper functioning of the cruise control system.

7. Is the P158A code in a 2018 Chevrolet Silverado a serious issue?

The P158A code in a 2018 Chevrolet Silverado is not typically considered a serious issue, but it can affect the functionality of the cruise control system, which may impact driving comfort and convenience.

8. Can the P158A code in a 2018 Chevrolet Silverado be a recurring problem?

The P158A code in a 2018 Chevrolet Silverado can be a recurring problem if the underlying cause, such as a faulty component or wiring issue, is not properly addressed during the repair process.

9. How long does it take to repair the P158A code in a 2018 Chevrolet Silverado?

The time it takes to repair the P158A code in a 2018 Chevrolet Silverado can vary depending on the specific cause of the issue, but it typically takes a few hours to diagnose and repair the problem.

10. Should I attempt to repair the P158A code in a 2018 Chevrolet Silverado myself?

Unless you have experience working on automotive electronics and diagnostics, it is recommended to have a qualified mechanic or dealership address the P158A code in a 2018 Chevrolet Silverado to ensure proper diagnosis and repair.