C158C 2018 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 2018 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.
Code C158C 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC C158C 2018 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 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 C158C 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 C158C 2018 Chevrolet Silverado code?
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Frequently Asked Questions about C158C 2018 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code C158C in a 2018 Chevrolet Silverado?
The common symptoms include stiff or difficult steering, a loss of power steering assistance, and a warning light on the dashboard indicating a steering issue.
2. What causes the OBDII code C158C in a 2018 Chevrolet Silverado?
The code C158C typically indicates that the hydraulic pressure in the steering assist system is out of range, which can be caused by a faulty power steering pump, a leak in the hydraulic system, or sensor malfunctions.
3. How serious is the Steering Assist Hydraulic Pressure Out of Range issue in a 2018 Chevrolet Silverado?
This issue should not be ignored as it can lead to unsafe driving conditions due to compromised steering control. It is recommended to address the problem promptly to ensure safe operation of the vehicle.
4. Can I continue driving my 2018 Chevrolet Silverado with the Steering Assist Hydraulic Pressure Out of Range code?
It is not recommended to continue driving the vehicle with this code present, as it can compromise the steering functionality and pose a safety risk. It is best to have the issue diagnosed and repaired as soon as possible.
5. How can I diagnose and repair the Steering Assist Hydraulic Pressure Out of Range issue in my 2018 Chevrolet Silverado?
Diagnosing and repairing this issue typically involves inspecting the power steering system components, checking for leaks, testing sensors, and possibly replacing the power steering pump or other faulty components as needed.
6. Is it possible to reset the OBDII code C158C in a 2018 Chevrolet Silverado without fixing the underlying issue?
Resetting the code without addressing the underlying problem will only temporarily clear the warning light. The issue causing the code will persist, and the warning light is likely to reappear once the problem is detected again.
7. How much does it cost to repair the Steering Assist Hydraulic Pressure Out of Range issue in a 2018 Chevrolet Silverado?
The cost of repairing this issue can vary depending on the specific cause of the problem, the extent of the damage, and the labor rates of the repair shop. It is advisable to get a diagnosis and repair estimate from a trusted mechanic.
8. Can I prevent the Steering Assist Hydraulic Pressure Out of Range issue from occurring in my 2018 Chevrolet Silverado?
Regular maintenance of the power steering system, including checking for leaks, keeping the fluid at the proper level, and addressing any unusual steering symptoms promptly, can help prevent issues like C158C from occurring.
9. Are there any recalls or technical service bulletins related to the OBDII code C158C in a 2018 Chevrolet Silverado?
It is advisable to check with a Chevrolet dealership or online resources for any recalls or technical service bulletins related to the Steering Assist Hydraulic Pressure Out of Range issue in a 2018 Silverado, as there may be relevant information or assistance available.
10. Can I use an OBDII scanner to diagnose the Steering Assist Hydraulic Pressure Out of Range issue in my 2018 Chevrolet Silverado?
Yes, an OBDII scanner can help retrieve the specific code (C158C) and provide valuable diagnostic information about the steering assist system. However, for a comprehensive diagnosis and repair, it is recommended to consult a professional mechanic with experience in power steering systems.
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