P159D 2014 GMC Sierra Code - Power Take-Off Remote Mode 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
- P159D 2014 GMC Sierra indicates Power Take-Off Remote Mode 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 P159D 2014 GMC Sierra Description
The Diagnostic Trouble Code (DTC) will be set when the Power Take-Off Control Module detects a signal mismatch between the remote engine shut-off signal and the PTO engine shutdown signal.
What are the Possible Causes of the DTC P159D 2014 GMC Sierra?
- 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
How to Fix the DTC P159D 2014 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 P159D 2014 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 P159D 2014 GMC Sierra Code
What does the OBDII code P159D mean on a 2014 GMC Sierra?
P159D indicates a problem in the Power Take-Off (PTO) Remote Mode Switch Circuit, which controls auxiliary equipment powered by the engine.
What are the common symptoms of code P159D in a 2014 GMC Sierra?
Symptoms may include the PTO system not functioning, a check engine light, or reduced functionality of auxiliary equipment.
What causes the P159D code to appear on a 2014 GMC Sierra?
Common causes include a faulty PTO remote mode switch, damaged wiring or connectors, or issues with the body control module (BCM).
How can I diagnose the P159D code on my 2014 GMC Sierra?
Start by visually inspecting the PTO remote mode switch, wiring, and connectors for damage. Use a multimeter to test for continuity and check for proper voltage signals.
Can I still drive my 2014 GMC Sierra with a P159D code?
Yes, you can typically drive the vehicle, but auxiliary systems relying on the PTO may not function correctly.
How do I fix the P159D code on a 2014 GMC Sierra?
Repairs may include replacing the PTO remote mode switch, repairing damaged wiring, or reprogramming the BCM if needed.
Is the P159D code specific to GMC Sierras with certain configurations?
Yes, this code is generally found in models equipped with a PTO system, often used for work-related auxiliary equipment.
How much does it cost to repair the P159D code on a 2014 GMC Sierra?
Repair costs vary but may range from $100 to $500, depending on whether you need a new PTO switch or wiring repairs.
Can a failing body control module cause the P159D code?
Yes, a malfunctioning BCM can interfere with PTO circuit operations and trigger the P159D code.
Do I need special tools to fix the P159D code on a 2014 GMC Sierra?
Basic tools like a multimeter and an OBDII scanner are often sufficient for diagnosing and repairing this code.
Discuss the causes and fixes for P159D 2014 GMC Sierra OBDII Code
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