[SOLVED] Dodge P0628 Code: Resolve Low Voltage Fuel Lift Pump

The OBD code P0628 for Dodge indicates a problem with the Fuel Lift Pump Control Circuit.

Symptoms include the Engine Light being ON.

This issue is commonly caused by a faulty fuel lift pump, open or shorted harness, or poor electrical connection.

It is crucial to visually inspect the wiring harness, connectors, and components for any damage or corrosion.

Repair Importance Level	10.0 (Out of 10)
Estimated Repair Time	Approximately 1.0 hour
Repair Difficulty Level	10.0 (Out of 10)

Symptoms of the Dodge p0628 OBD Code

The Dodge with fault code P0628 may experience issues related to the fuel pump control module.

Symptoms: Engine Light ON.
Vehicle may experience stalling.
Engine may not start.
Engine may run rough.

Causes of the Dodge p0628 OBD Code

P0628 in Dodge indicates a potential issue with the fuel pump control module.

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P0628 can be caused by a faulty Fuel Lift Pump.
A Fuel Lift Pump harness that is open or shorted.
A Fuel Lift Pump circuit with poor electrical connection.

Fixing Dodge Error Code p0628 Step By Step

Address the issue by inspecting the wiring and connectors related to the fuel pump control module.

To fix the Dodge OBDII code P0628, start by reviewing the possible causes mentioned above and visually examining the corresponding wiring harness and connectors.
Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
Test the alternator for proper operation and output voltage.
Replace the alternator if it is faulty.
Clear the fault codes from the vehicle’s computer using a scan tool.
Test drive the vehicle to ensure the code does not return.

Cost Of Fixing Dodge p0628 Fault Code

Diagnosing and repairing fault code P0628 on a Dodge may involve testing and replacing components.

The cost to diagnose and fix the Dodge OBD code P0628 typically ranges from $75 to $150 per hour for labor rates.

With an estimated repair time of 1. 0 hour, the total cost can be around $75 to $150, depending on shop rates and the complexity of the repair.

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Details of the Dodge p0628 OBD Code

Dodge fault code P0628 relates to the fuel pump control module circuit low.

Dodge OBD code P0628 means that the fuel pump control circuit is experiencing a low voltage condition.

This code is triggered by the Engine Control Module (ECM) when it detects that the voltage in the fuel pump control circuit is below the specified range.

The fuel pump control circuit is involved in regulating the operation of the fuel pump, which is crucial for delivering fuel to the engine for combustion.

When this code is set, it indicates a potential issue with the fuel pump control circuit that needs to be diagnosed and repaired to ensure proper fuel delivery to the engine.

Mechanic’s Tech Notes

Detailed information on Dodge fault code P0628, related to the fuel pump control module circuit low.

To diagnose and fix OBDII code P0628 on a Dodge, start by checking the transmission control module (TCM) power and ground using a multimeter.

Verify TCM communication over the Controller Area Network (CAN) using a scan tool.

If the TCM does not respond, reprogramming or reflashing may be necessary.

Visually inspect the wiring harness and connectors for any damage, and ensure connector pins are not broken, bent, pushed out, or corroded.

Address any issues found during the inspection to resolve the P0628 fault code.

FAQ

1. What are the common symptoms associated with OBD code P0628 in a Dodge vehicle?

Common symptoms of OBD code P0628 in a Dodge vehicle include the Engine Light ON and potential issues with the Fuel Lift Pump system.

2. What is the typical cause of OBD code P0628 in Dodge vehicles?

OBD code P0628 in Dodge vehicles is typically caused by a faulty fuel lift pump, open/shorted harness, or poor electrical connection. Inspect and repair wiring/connectors as needed.

3. How can I diagnose and repair OBD code P0628 in my Dodge vehicle?

Diagnose and repair OBD code P0628 in your Dodge: Symptoms Engine Light ON; Causes Faulty Fuel Lift Pump, harness issues; Fix Inspect wiring, connectors for damage.

Wrap Up

If your Dodge is displaying OBD code P0628, you may experience issues like rough idling, stalling, or poor acceleration due to a faulty fuel pump control module.

This code typically indicates a problem with the fuel pump control circuit, possibly caused by damaged wiring, poor connections, or a malfunctioning fuel pump control module.

To address Dodge OBD code P0628, start by inspecting the wiring harness for any visible damage or corrosion.

Test the connectors for proper connectivity and consider replacing the fuel pump control module if necessary to resolve the issue.