P1598 2016 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 2016 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 2016 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 2016 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 2016 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 2016 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.
Need more information about the P1598 2016 Chevrolet Silverado code?
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Frequently Asked Questions about P1598 2016 Chevrolet Silverado Code
1. What does the OBDII code P1598 mean on a 2016 Chevrolet Silverado?
P1598 indicates an issue with the Power Take Off (PTO) engine speed request signal, specifically that the message counter from the PTO module is incorrect or not as expected.
2. What are the common symptoms of code P1598 in a 2016 Chevrolet Silverado?
Symptoms may include the PTO system not engaging or working properly, a lit check engine light, or reduced functionality of auxiliary equipment powered by the PTO.
3. What causes the P1598 code to appear on a 2016 Chevrolet Silverado?
Common causes include faulty wiring or connectors in the PTO circuit, a malfunctioning PTO module, software issues, or a communication problem between the PTO module and the engine control module (ECM).
4. Can a loose or damaged connector cause the P1598 code?
Yes, a loose, corroded, or damaged connector in the PTO system can disrupt the signal, leading to the P1598 code.
5. How is the P1598 code diagnosed in a Chevrolet Silverado?
A technician will use a scan tool to verify the code, inspect the PTO wiring and connectors for damage, and check for proper communication between the PTO module and ECM.
6. Can a software update fix the P1598 code in a 2016 Silverado?
In some cases, a software update for the ECM or PTO module may resolve the issue if it's caused by a programming error or outdated firmware.
7. Is it safe to drive with the P1598 code active?
While the vehicle may still be drivable, the PTO system may not function correctly, which could affect the operation of auxiliary equipment. It’s best to address the issue promptly.
8. How much does it cost to repair a P1598 code on a 2016 Chevrolet Silverado?
The cost varies depending on the root cause. Repairs may range from $100 for wiring fixes to $500 or more if the PTO module needs replacement.
9. Can I clear the P1598 code without fixing the problem?
Clearing the code without addressing the underlying issue will likely cause it to return. Proper diagnosis and repair are necessary to resolve the problem permanently.
10. What tools are needed to troubleshoot the P1598 code?
You’ll need an OBDII scan tool, a multimeter for testing wiring and connectors, and possibly manufacturer-specific diagnostic software to check PTO module communication.
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