P129E 2017 Chevrolet Silverado Code - Fuel Pump Driver Control Module Signal Message Counter Incorrect
Quick Answer
The Fuel Pump Power Control Module is constantly sending serial data messages to the Engine Control Module (ECM) regarding the operating state of the fuel pump power control system. Common causes include Faulty Fuel Pump Power Control Module, Fuel Pump Power Control Module harness is open or shorted, Fuel Pump Power 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
- P129E 2017 Chevrolet Silverado indicates Fuel Pump Driver Control Module Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Fuel Pump Power Control Module, Fuel Pump Power Control Module harness is open or shorted, Fuel Pump Power 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 P129E 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P129E 2017 Chevrolet Silverado?
- Faulty Fuel Pump Power Control Module
- Fuel Pump Power Control Module harness is open or shorted
- Fuel Pump Power Control Module circuit poor electrical connection
How to Fix the DTC P129E 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 P129E 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.
Need more information about the P129E 2017 Chevrolet Silverado code?
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Frequently Asked Questions about P129E 2017 Chevrolet Silverado Code
What does OBDII code P129E mean for a 2017 Chevrolet Silverado?
Code P129E indicates that the Fuel Pump Driver Control Module is sending an incorrect signal message counter to the Engine Control Module (ECM).
What are common symptoms of code P129E in a 2017 Chevrolet Silverado?
Symptoms may include engine hesitation, difficulty starting, poor fuel efficiency, or a check engine light.
What causes code P129E in a 2017 Chevrolet Silverado?
Common causes include wiring issues, a faulty Fuel Pump Driver Control Module, or a malfunctioning Engine Control Module.
Can I drive my 2017 Chevrolet Silverado with code P129E?
Driving with this code can lead to inconsistent engine performance or starting issues. It’s best to address the problem promptly.
How do I diagnose code P129E in a 2017 Chevrolet Silverado?
Diagnosis involves inspecting the wiring and connectors for damage, testing the Fuel Pump Driver Control Module, and checking for communication errors with the ECM.
How is code P129E fixed in a 2017 Chevrolet Silverado?
Repairs may include replacing the Fuel Pump Driver Control Module, repairing wiring or connectors, or reprogramming the ECM if needed.
Does code P129E affect fuel system performance?
Yes, it can cause irregular fuel delivery, leading to poor engine performance and reduced efficiency.
How much does it cost to fix code P129E on a 2017 Chevrolet Silverado?
Repair costs vary but typically range from $200 to $600 depending on the diagnosis and component replacement.
Can a software update fix code P129E in a 2017 Chevrolet Silverado?
In some cases, reprogramming or updating the ECM or Fuel Pump Driver Control Module software may resolve the issue.
How can I prevent code P129E from occurring again?
Regular maintenance, inspecting wiring for damage, and addressing electrical issues promptly can help prevent recurrence of this code.
Discuss the causes and fixes for P129E 2017 Chevrolet Silverado OBDII Code
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