P0629 Dodge Code - High Voltage Detected At The Fuel Lift Pump
Quick Answer
The P0629 diagnostic trouble code (DTC) for Dodge vehicles indicates that a high voltage has been detected at the fuel lift pump. Common causes include Faulty fuel pump relay, Damaged wiring or connectors, Defective fuel pump control module. 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
- P0629 Dodge indicates High Voltage Detected At The Fuel Lift Pump.
- Common causes
- Common causes include Faulty fuel pump relay, Damaged wiring or connectors, Defective fuel pump control module.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0629 Dodge Description
The P0629 diagnostic trouble code (DTC) for Dodge vehicles indicates that a high voltage has been detected at the fuel lift pump. The fuel lift pump is responsible for supplying fuel from the tank to the engine, ensuring proper fuel pressure for combustion. When a high voltage is detected at the fuel lift pump, it indicates an issue with the electrical system that controls the pump's operation.
Common Causes of P0629 Dodge
- Faulty fuel pump relay
- Damaged wiring or connectors
- Defective fuel pump control module
- Malfunctioning powertrain control module (PCM)
- Overvoltage in the electrical system
Symptoms of P0629 Dodge
- Engine misfires
- Reduced fuel efficiency
- Engine stalling
- Difficulty starting the engine
- Check Engine Light illuminated
How to Fix P0629 Dodge
- Use a diagnostic scan tool to retrieve the fault codes and confirm P0629 as the issue.
- Inspect the fuel pump relay, wiring, and connectors for any visible damage or corrosion.
- Test the fuel pump control module and powertrain control module for proper functioning.
- Replace any faulty components, such as the fuel pump relay or control modules, if necessary.
- Clear the fault codes and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0629 Dodge
The typical repair costs for addressing a P0629 code can vary depending on the specific cause of the issue and the extent of the damage. In general, replacing a faulty fuel pump relay or control module can range from $150 to $300, including parts and labor. However, additional diagnostic time and labor costs may apply, so it is advisable to consult with a qualified mechanic or dealership for a more accurate estimate. Keep in mind that labor rates at auto repair shops can vary based on location, vehicle make and model, and other factors.
When is the Code Detected?
Need more information about the P0629 Dodge code?
Need more information on how to fix the P0629 Dodge code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0629 Dodge code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0629 Dodge Code
No Frequently Asked Questions about P0629 Dodge Code found.
Discuss the causes and fixes for P0629 Dodge OBDII Code
-
I have a 2011 Ram 2500 4×4 6.6 diesel deleted,,As I was pulling my new camper, I thought to reach down and squeeze the lever for my factory installed brake control, within seconds after doing so my truck shut off. Had to have both units towed
-
Have you tried clearing the code?
The only common part on both codes is the Totally Integrated Power Module (TIPM)
U0121 DODGE - Lost Communication With ABS
Read more: https://www.autocodes.com/u...
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.