P1598 2017 Chevrolet Silverado Code - Power Take Off Engine Speed Request Signal Message Counter Incorrect
Quick Answer
The Power Take-Off Control Module is constantly sending the Engine Control Module (ECM) serial data messages with information regarding its request for modifying engine speed. Common causes include Faulty Power Take-Off 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
- P1598 2017 Chevrolet Silverado indicates Power Take Off Engine Speed Request Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Power Take-Off 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 P1598 2017 Chevrolet Silverado Description
The Diagnostic Trouble Code (DTC) will be set when the Power Take-Off Control Module detects a fault in the serial data message between the Power Take-Off Control Module and the Engine Control Module.
What are the Possible Causes of the DTC P1598 2017 Chevrolet Silverado?
- Faulty Power Take-Off 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 P1598 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 P1598 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 P1598 2017 Chevrolet Silverado Code
1. What does the OBDII code P1598 mean on a 2017 Chevrolet Silverado?
P1598 indicates that the Power Take Off (PTO) engine speed request signal message counter is incorrect, meaning there is a communication issue related to the PTO system.
2. What are the common symptoms of code P1598 in a 2017 Chevrolet Silverado?
Symptoms may include the PTO system not functioning as expected, a check engine light, or reduced engine performance when the PTO is engaged.
3. What causes the P1598 code to appear on a Silverado?
Common causes include a malfunctioning PTO module, damaged wiring or connectors in the PTO system, a faulty Engine Control Module (ECM), or communication errors between modules.
4. Can the P1598 code affect normal vehicle operation if I’m not using the PTO system?
If the PTO system is not in use, the code may not impact normal driving, but it could prevent the PTO system from functioning when needed.
5. How do you troubleshoot the P1598 code on a 2017 Chevrolet Silverado?
Troubleshooting involves inspecting PTO-related wiring and connectors for damage, checking for software updates for the PTO module or ECM, and verifying communication between the modules using a scan tool.
6. Is it safe to drive a 2017 Silverado with the P1598 code active?
Yes, it is typically safe to drive, but the PTO system may not work properly until the issue is resolved.
7. What should I check first when diagnosing the P1598 code?
Start by inspecting the PTO system's wiring and connectors for loose connections, corrosion, or physical damage.
8. How can this code be fixed on a 2017 Chevrolet Silverado?
Repairs may include replacing damaged wiring, repairing or replacing the PTO module, updating module software, or reprogramming the ECM.
9. Will clearing the code fix the P1598 issue on my Silverado?
Clearing the code may temporarily turn off the check engine light, but the issue will likely return if the underlying problem is not fixed.
10. Do I need special tools to diagnose and repair the P1598 code?
Yes, a professional-grade scan tool or diagnostic equipment capable of reading and communicating with the PTO and ECM modules is often required.
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