P159C 2017 Chevrolet Silverado Code - Power Take-Off Remote Engine Shutdown Switch Circuit
Quick Answer
The Power Take-Off (PTO) is an upfitter integrated system that allows the user to create an auxiliary power source. Common causes include Faulty Power Take-Off (PTO) Control Module, Power Take-Off Control Module harness is open or shorted, Power Take-Off Control Module 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
- P159C 2017 Chevrolet Silverado indicates Power Take-Off Remote Engine Shutdown Switch Circuit.
- Common causes
- Common causes include Faulty Power Take-Off (PTO) Control Module, Power Take-Off Control Module harness is open or shorted, Power Take-Off Control Module 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 P159C 2017 Chevrolet Silverado Description
The Diagnostic Trouble Code (DTC) will be set when the ECM detects a fault on the PTO remote engine shutdown switch circuit.
What are the Possible Causes of the DTC P159C 2017 Chevrolet Silverado?
- Faulty Power Take-Off (PTO) Control Module
- Power Take-Off Control Module harness is open or shorted
- Power Take-Off Control Module circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P159C 2017 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 P159C 2017 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.
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Frequently Asked Questions about P159C 2017 Chevrolet Silverado Code
1. What does the OBDII code P159C mean on a 2017 Chevrolet Silverado?
P159C indicates an issue with the Power Take-Off (PTO) Remote Engine Shutdown Switch Circuit, which is part of the system controlling the PTO functionality.
2. What are the common symptoms of code P159C?
Symptoms may include the PTO not engaging or disengaging properly, the engine shutting down unexpectedly, or a check engine light illuminated on the dashboard.
3. What causes the P159C code to appear in a 2017 Chevrolet Silverado?
Common causes include a faulty PTO remote shutdown switch, damaged or corroded wiring, a malfunctioning PTO control module, or a programming issue in the vehicle’s engine control module (ECM).
4. How do I diagnose the P159C code?
Start by checking the PTO remote shutdown switch and its wiring for visible damage or corrosion. Use a scan tool to verify the code, inspect the circuit’s continuity, and confirm the functionality of the PTO control module.
5. Can a faulty PTO remote switch cause the P159C code?
Yes, a defective PTO remote engine shutdown switch is a common cause of this code and can prevent the PTO system from working correctly.
6. How do I fix the P159C code?
Repairs may involve replacing the PTO remote shutdown switch, repairing or replacing damaged wiring, or reprogramming the ECM if necessary.
7. Is the P159C code serious?
While it may not immediately affect normal driving, it can impact the operation of equipment that relies on the PTO system, which is critical for vehicles used in work applications.
8. Can a software update resolve the P159C code?
In some cases, a software update or reprogramming of the ECM may resolve the issue if the problem is related to outdated or incorrect programming.
9. How much does it cost to repair the P159C code?
Repair costs vary depending on the root cause. Replacing the PTO switch may cost $100–$300, while wiring repairs or ECM reprogramming could add to the expense.
10. Can I drive with the P159C code?
You can typically drive with this code, but if you rely on PTO functionality for work, it’s best to address the issue promptly to avoid operational disruptions.
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