AutoCodes – Chevrolet – C158C 2016 Chevrolet Silverado

C158C 2016 Chevrolet Silverado Code - Steering Assist Hydraulic Pressure Out of Range

Quick Answer

The Active Hydraulic Assist Power Steering Control Module uses a pressure sensor to measure the hydraulic pressure in the left and right chambers of steering gear. Common causes include Faulty Steering Gear Pressure Sensor, Steering Gear Pressure Sensor harness is open or shorted, Steering Gear Pressure Sensor 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
C158C 2016 Chevrolet Silverado indicates Steering Assist Hydraulic Pressure Out of Range.
Common causes
Common causes include Faulty Steering Gear Pressure Sensor, Steering Gear Pressure Sensor harness is open or shorted, Steering Gear Pressure Sensor 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 318
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 19, 2023
πŸ’¬ Need more help? Ask Coddy for instant answers β€” it's free!

Code C158C 2016 Chevrolet Silverado Description

The Active Hydraulic Assist Power Steering Control Module uses a pressure sensor to measure the hydraulic pressure in the left and right chambers of steering gear. The pressure signals are then used to determine the direction and rate of flow into each chamber to allow for steering assist. The Diagnostic Trouble Code (DTC) will be set when the Power Steering Control Module receives a signal that hydraulic pressure is out of range for 200ms.
OBDII Code C158C 2016 Chevrolet Silverado - Steering Assist Hydraulic Pressure Out of Range - AutoCodes.com
C158C 2016 Chevrolet Silverado Code - Steering Assist Hydraulic Pressure Out of Range

What are the Possible Causes of the DTC C158C 2016 Chevrolet Silverado?

  • Faulty Steering Gear Pressure Sensor
  • Steering Gear Pressure Sensor harness is open or shorted
  • Steering Gear Pressure Sensor circuit poor electrical connection
  • Faulty Power Steering Control Module

How to Fix the DTC C158C 2016 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 C158C 2016 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 C158C 2016 Chevrolet Silverado code?

Need more information on how to fix the C158C 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C158C 2016 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 C158C 2016 Chevrolet Silverado Code

1. What does the OBDII code C158C mean on a 2016 Chevrolet Silverado?

C158C indicates that the power steering control module has detected an issue with the hydraulic pressure being out of range in the steering assist system.

2. What are the common symptoms of the C158C code in a 2016 Silverado?

Symptoms may include difficulty steering, reduced or no power steering assist, a warning light on the dashboard, and possible error messages related to the steering system.

3. What causes the C158C code to appear in a 2016 Chevrolet Silverado?

Common causes include a malfunctioning power steering pump, low or contaminated power steering fluid, a faulty pressure sensor, damaged wiring, or issues with the power steering control module.

4. Can I drive my 2016 Silverado with the C158C code?

Driving with the C158C code is not recommended, as it may result in reduced steering assist, making the vehicle harder to control and potentially unsafe.

5. How do I fix the C158C code on a 2016 Chevrolet Silverado?

Repairs may involve checking and replacing the power steering fluid, inspecting and repairing wiring or connectors, replacing a faulty pressure sensor, or addressing issues with the power steering pump or control module.

6. How can I diagnose the C158C code on my 2016 Silverado?

Diagnosis typically involves scanning the vehicle with an OBDII scanner, checking the power steering fluid level and condition, inspecting the wiring and connectors for damage, and testing the pressure sensor and power steering pump.

7. Does the C158C code always mean the power steering pump is bad?

No, the C158C code can also be triggered by issues with the pressure sensor, wiring, or even the power steering control module, so a full diagnosis is necessary before replacing parts.

8. Can low power steering fluid cause the C158C code on a 2016 Silverado?

Yes, low or contaminated power steering fluid can lead to hydraulic pressure issues and trigger the C158C code.

9. How much does it cost to fix the C158C code on a 2016 Chevrolet Silverado?

The repair cost can vary widely depending on the root cause, ranging from $100 for fluid replacement to $1,000 or more for a new power steering pump or control module.

10. Will clearing the C158C code fix the problem on my 2016 Silverado?

Clearing the code without addressing the underlying issue will not fix the problem, and the code is likely to return after a short time. Proper diagnosis and repair are necessary.

Discuss the causes and fixes for C158C 2016 Chevrolet Silverado OBDII Code

Code C158C 2016 Chevrolet Silverado comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play