Engine-Codes - Jeep - P0628 Jeep

P0628 Jeep Code - Low Voltage Detected At The Fuel Lift Pump

- Code Popularity: 4,337 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC P0628 Jeep?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Fuel Lift Pump
  • Fuel Lift Pump harness is open or shorted
  • Fuel Lift Pump circuit poor electrical connection

Code Tech Notes

Usually, the solution to the problem is the fuel lift pump

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How to Fix the DTC P0628 Jeep?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P0628 Jeep code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the P0628 Jeep Code Mean?

The Powertrain Control Module (PCM) monitors the Fuel Lift Pump. The PCM sets the OBDII code when the commanded signal to the Fuel Lift Pump does not match the feedback signal.

P0628 Jeep Code - Low Voltage Detected At The Fuel Lift Pump

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