P159D 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 2018 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
How to Fix the DTC P159D 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 P159D 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.
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Frequently Asked Questions about P159D 2018 Chevrolet Silverado Code
1. What does the OBDII code P159D mean on a 2018 Chevrolet Silverado?
P159D refers to an issue with the Power Take-Off (PTO) Remote Mode Switch Circuit, indicating a potential fault in the electrical circuit that controls or monitors the PTO system.
2. What are the common symptoms of the P159D code?
Symptoms may include the PTO system not engaging, a check engine light, and potential loss of functionality for equipment powered by the PTO.
3. What causes the P159D code to appear?
Common causes include a faulty PTO remote mode switch, damaged wiring or connectors in the PTO circuit, or a malfunctioning PCM (Powertrain Control Module).
4. Can I still drive my Silverado with the P159D code?
Yes, you can usually drive the vehicle, but any PTO-dependent equipment may not function properly. It's best to address the issue promptly to avoid further complications.
5. How do I diagnose the P159D code?
Start by inspecting the PTO switch, wiring, and connectors for damage or corrosion. Use a multimeter to check for continuity and verify proper voltage at the switch and PCM.
6. How can I fix the P159D code?
Repairs may involve replacing the PTO remote mode switch, repairing damaged wiring, cleaning corroded connectors, or reprogramming/updating the PCM if necessary.
7. Is the P159D code a common issue on the 2018 Chevrolet Silverado?
It’s not a widely reported issue but can occur in trucks equipped with PTO systems, especially if the system is heavily used or exposed to harsh conditions.
8. How much does it cost to fix the P159D code?
Repair costs vary but typically range from $100 to $300, depending on whether the issue is with the switch, wiring, or PCM.
9. Can a faulty PTO switch cause other problems?
Yes, a faulty PTO switch may prevent equipment from functioning and could potentially lead to electrical shorts if the issue is related to wiring.
10. Do I need to reset the PCM after fixing the P159D code?
Yes, after completing repairs, clear the code using an OBDII scanner to ensure the issue is resolved and the check engine light turns off.
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