Hours: 07–23 daily

TuningBot DTC Database · v4.37.14

P0628 Fuel Pump A Control Circuit Low

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainFuelOBD2

What P0628 means

P0628
Fuel Pump A Control Circuit Low Generic · fuel Data confidence 90%

The control module detected that the signal in the Fuel Pump A Control circuit stayed below the expected operating range.

Possible causes

  • Wiring short to earth
  • relay
  • fuel pump

Related and nearby codes

How to read P0628

P

Powertrain: engine, transmission and driveline systems.

0

Generic SAE-standard code: same meaning on every make.

628

Specific fault index within the subsystem.

Frequently asked questions about P0628

What does P0628 mean?

Fuel Pump A Control Circuit Low. The control module detected that the signal in the Fuel Pump A Control circuit stayed below the expected operating range.

Is P0628 generic or manufacturer-specific?

P0628 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0628 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningDyno-tested results by model and engine See the results →

← Search the full DTC database