P129E 2016 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 2016 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 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P129E 2016 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 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 P129E 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.
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Frequently Asked Questions about P129E 2016 Chevrolet Silverado Code
1. What does the OBDII code P129E mean on a 2016 Chevrolet Silverado?
P129E indicates a problem with the Fuel Pump Driver Control Module, where the signal message counter is determined to be incorrect or inconsistent.
2. What are the symptoms of the P129E code on a 2016 Chevrolet Silverado?
Symptoms may include difficulty starting the engine, stalling, reduced engine performance, or the check engine light being illuminated.
3. What causes the P129E code to appear on a 2016 Chevrolet Silverado?
Common causes include a faulty Fuel Pump Driver Control Module, wiring or connection issues, software glitches, or a malfunctioning fuel pump.
4. Can I drive my 2016 Chevrolet Silverado with the P129E code?
Driving with this code may be possible, but it could lead to reduced engine performance or stalling. It’s best to address the issue promptly to avoid further damage.
5. How is the P129E code diagnosed on a 2016 Chevrolet Silverado?
A technician will use a scan tool to confirm the code, inspect the wiring and connectors for damage or corrosion, and test the Fuel Pump Driver Control Module for proper operation.
6. How do you fix the P129E code on a 2016 Chevrolet Silverado?
Repairs may involve replacing the Fuel Pump Driver Control Module, repairing damaged wiring, updating the module’s software, or replacing the fuel pump if necessary.
7. How much does it cost to fix the P129E code on a 2016 Chevrolet Silverado?
Repair costs vary but can range from $150 to $600 depending on whether the issue involves module replacement, wiring repairs, or labor charges.
8. Can a software update fix the P129E code on a 2016 Chevrolet Silverado?
Yes, in some cases, a software update for the Fuel Pump Driver Control Module can resolve the issue if it stems from a programming glitch.
9. What tools are needed to troubleshoot the P129E code on a 2016 Chevrolet Silverado?
Common tools include a diagnostic scan tool, multimeter for testing electrical circuits, and possibly a programming device for software updates.
10. Is the P129E code a common issue on the 2016 Chevrolet Silverado?
It’s not extremely common, but it can occur, particularly if there are known issues with the Fuel Pump Driver Control Module or related wiring.
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