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TuningBot DTC Database · v4.37.14

P2633 Fuel Pump B Control Circuit Low

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

P · PowertrainFuelOBD2

What P2633 means

P2633
Fuel Pump B Control Circuit Low Generic · fuel Data confidence 78%

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

Possible causes

  • Wiring short to ground
  • FP relay
  • ECM

Related and nearby codes

How to read P2633

P

Powertrain: engine, transmission and driveline systems.

2

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

633

Specific fault index within the subsystem.

Frequently asked questions about P2633

What does P2633 mean?

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

Is P2633 generic or manufacturer-specific?

P2633 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2633 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

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