C158C 2017 GMC Sierra 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 2017 GMC Sierra 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.
Code C158C 2017 GMC Sierra Description
What are the Possible Causes of the DTC C158C 2017 GMC Sierra?
- 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 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 C158C 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.
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Frequently Asked Questions about C158C 2017 GMC Sierra Code
1. What are the common symptoms of OBDII code C158C in a 2017 GMC Sierra related to Steering Assist Hydraulic Pressure Out of Range?
The common symptoms include difficulty steering, uneven steering response, and the steering wheel feeling heavy or sluggish.
2. What are the possible causes of OBDII code C158C in a 2017 GMC Sierra indicating Steering Assist Hydraulic Pressure Out of Range?
Potential causes may include a malfunctioning power steering pump, low power steering fluid level, a faulty power steering pressure sensor, or issues with the power steering control module.
3. How can I diagnose the Steering Assist Hydraulic Pressure Out of Range issue related to code C158C in a 2017 GMC Sierra?
Diagnosis typically involves performing a thorough inspection of the power steering system, checking for leaks, testing the power steering pump, pressure sensor, and related components using a diagnostic scanner, and reviewing the error codes stored in the vehicle's computer.
4. What are some DIY repair tips for addressing OBDII code C158C in a 2017 GMC Sierra linked to Steering Assist Hydraulic Pressure Out of Range?
DIY repair tips may include checking and refilling the power steering fluid, inspecting for visible leaks, ensuring the power steering belt is properly tensioned, and conducting a visual inspection of the power steering components for any signs of damage.
5. Is it safe to continue driving a 2017 GMC Sierra with OBDII code C158C related to Steering Assist Hydraulic Pressure Out of Range?
It is not recommended to drive the vehicle extensively with this issue, as it may lead to unsafe driving conditions and potential loss of steering control. It's advisable to address the problem promptly to avoid further damage or safety risks.
6. Can resetting the OBDII code C158C in a 2017 GMC Sierra resolve the Steering Assist Hydraulic Pressure Out of Range problem?
Resetting the code may temporarily clear the error from the system, but if the underlying issue causing the code is not addressed, it is likely to return. It's crucial to diagnose and fix the root cause of the problem.
7. How much does it typically cost to repair OBDII code C158C in a 2017 GMC Sierra related to Steering Assist Hydraulic Pressure Out of Range?
The cost of repair can vary depending on the specific cause of the issue, parts needed for replacement, labor rates, and whether you choose to repair it yourself or take it to a mechanic. It's advisable to get multiple quotes for an accurate estimate.
8. Can extreme weather conditions affect the occurrence of OBDII code C158C in a 2017 GMC Sierra related to Steering Assist Hydraulic Pressure Out of Range?
Extreme temperatures, particularly very cold weather, can sometimes exacerbate power steering system issues, leading to symptoms associated with code C158C. It's important to monitor the system's performance in different weather conditions.
9. Is the Steering Assist Hydraulic Pressure Out of Range issue covered under warranty for a 2017 GMC Sierra?
Warranty coverage for this specific issue may vary depending on the vehicle's warranty status, mileage, and the underlying cause of the problem. Check with your GMC dealership or refer to your warranty documentation for more information.
10. Are there any recalls related to OBDII code C158C and Steering Assist Hydraulic Pressure Out of Range in a 2017 GMC Sierra?
Recalls related to this specific issue can be checked by contacting your local GMC dealership, visiting the manufacturer's website, or checking with the National Highway Traffic Safety Administration (NHTSA) for any relevant recall information.
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