P159C GMC 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 GMC 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 GMC 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 GMC?
- 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 GMC?
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 GMC 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 P159C GMC code?
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Information for Specific GMC Models
- P159C 2014 GMC Sierra — Power Take-Off Remote Engine Shutdown Switch Circuit
- P159C 2015 GMC Sierra — Power Take-Off Remote Engine Shutdown Switch Circuit
- P159C 2016 GMC Sierra — Power Take-Off Remote Engine Shutdown Switch Circuit
- P159C 2017 GMC Sierra — Power Take-Off Remote Engine Shutdown Switch Circuit
- P159C 2018 GMC Sierra — Power Take-Off Remote Engine Shutdown Switch Circuit
Frequently Asked Questions about P159C GMC Code
1. What are the common symptoms of OBDII code P159C in a GMC vehicle?
Common symptoms include illuminated check engine light, difficulty starting the vehicle, and potential issues with the power take-off system.
2. What does the OBDII code P159C GMC indicate?
OBDII code P159C indicates a problem with the Power Take-Off Remote Engine Shutdown Switch Circuit in a GMC vehicle.
3. What are the possible causes of OBDII code P159C in a GMC?
Possible causes include a faulty remote engine shutdown switch, damaged wiring or connectors in the circuit, or a problem with the power take-off system.
4. How can I diagnose the Power Take-Off Remote Engine Shutdown Switch Circuit issue related to code P159C in my GMC?
Diagnosis typically involves inspecting the remote engine shutdown switch, checking the wiring and connectors for damage, and testing the power take-off system for proper functionality.
5. Can I continue driving my GMC with OBDII code P159C present?
It is not recommended to continue driving your GMC with OBDII code P159C present, as it can lead to potential issues with the power take-off system and engine shutdown functionality.
6. How can I repair OBDII code P159C related to the Power Take-Off Remote Engine Shutdown Switch Circuit in my GMC?
Repairing code P159C may involve replacing the remote engine shutdown switch, repairing damaged wiring or connectors, or addressing any issues with the power take-off system.
7. Will resetting the check engine light clear OBDII code P159C in my GMC?
Resetting the check engine light may temporarily clear the code, but it is important to diagnose and repair the underlying issue causing code P159C to prevent it from reoccurring.
8. Is it safe to attempt DIY repairs for OBDII code P159C in a GMC?
DIY repairs for code P159C may be possible for those with experience in automotive electrical systems. However, if you are unsure, it is recommended to seek professional assistance to ensure the issue is properly diagnosed and repaired.
9. Can a malfunctioning remote engine shutdown switch cause other problems in my GMC besides triggering code P159C?
Yes, a malfunctioning remote engine shutdown switch can potentially cause other issues such as problems with engine shutdown functionality, which may impact vehicle safety and performance.
10. How can I prevent OBDII code P159C from occurring in my GMC in the future?
To prevent code P159C, it is important to regularly inspect and maintain the remote engine shutdown switch, wiring, and connectors, and address any power take-off system issues promptly.
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