P129D 2014 Chevrolet Silverado Code - Fuel Pump Driver Control Module Ignition On/Start Switch Circuit Low Voltage
Quick Answer
The Fuel Pump Power Control Module monitors the ignition voltage circuit to determine if the voltage is within the normal operating range. 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
- P129D 2014 Chevrolet Silverado indicates Fuel Pump Driver Control Module Ignition On/Start Switch Circuit Low Voltage.
- 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 P129D 2014 Chevrolet Silverado Description
What are the Possible Causes of the DTC P129D 2014 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 P129D 2014 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 P129D 2014 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 P129D 2014 Chevrolet Silverado code?
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Frequently Asked Questions about P129D 2014 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P129D in a 2014 Chevrolet Silverado?
- Common symptoms include difficulty starting the vehicle, rough idling, reduced engine performance, and possible stalling.
2. What does the OBDII code P129D indicating "Fuel Pump Driver Control Module Ignition On/Start Switch Circuit Low Voltage" mean?
- The code suggests a potential issue with the fuel pump driver control module's ignition on/start switch circuit receiving lower voltage than expected.
3. What are the possible causes of OBDII code P129D in a 2014 Chevrolet Silverado?
- Causes may include a faulty fuel pump driver control module, damaged wiring or connectors in the ignition circuit, a weak battery, or a malfunctioning ignition switch.
4. How can I diagnose the OBDII code P129D in my 2014 Chevrolet Silverado?
- Diagnosing the code typically involves checking the fuel pump driver control module's voltage readings, inspecting the wiring for damage, and testing the ignition switch for proper functionality.
5. Can I still drive my Chevrolet Silverado with the OBDII code P129D present?
- It is not recommended to drive the vehicle with this code active, as it can lead to potential fuel delivery issues and engine performance problems.
6. How urgent is it to repair OBDII code P129D in a 2014 Chevrolet Silverado?
- It is advisable to address the issue promptly to prevent any further damage to the fuel pump driver control module and ensure the vehicle operates safely and efficiently.
7. Is it possible to reset the OBDII code P129D in a 2014 Chevrolet Silverado without fixing the underlying problem?
- While you can clear the code with an OBDII scanner, it is crucial to resolve the root cause to prevent the issue from recurring.
8. What are some repair tips for resolving OBDII code P129D in a 2014 Chevrolet Silverado?
- Repair tips may include checking and repairing any damaged wiring, replacing the fuel pump driver control module if necessary, and ensuring proper voltage supply to the module.
9. Can a DIY enthusiast address the OBDII code P129D issue in a 2014 Chevrolet Silverado?
- Depending on your skills and experience, you may be able to diagnose and repair the issue yourself, but it is recommended to consult a professional mechanic for complex electrical problems.
10. How much does it typically cost to repair OBDII code P129D in a 2014 Chevrolet Silverado?
- The cost of repairing this code can vary depending on the specific cause, parts needed, and labor rates, but it is advisable to budget for potential module replacement or wiring repairs.
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