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TuningBot DTC Database · v4.37.15

P2C55 Cylinder 2 Fuel Injector B Offset Learning At Max Limit

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

P · PowertrainFuelOBD2

What P2C55 means

P2C55
Cylinder 2 Fuel Injector B Offset Learning At Max Limit Generic · fuel Data confidence 65%

The control module detected that the monitored Cylinder 2 Fuel Injector B Offset Learning At value reached its permissible limit.

Symptoms

  • MIL illuminated
  • Possible rough running or misfire
  • Possible increased fuel consumption

Possible causes

  • Injector electrical or mechanical fault
  • Wiring or connector fault
  • Fuel supply fault
  • Air leak causing mixture deviation

Recommended checks

  • Read fuel trim / mixture adaptation values
  • Check injector circuits and compare cylinder balance
  • Check fuel pressure
  • Inspect for intake or exhaust leaks

Related and nearby codes

How to read P2C55

P

Powertrain: engine, transmission and driveline systems.

2

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

C55

Specific fault index within the subsystem.

Frequently asked questions about P2C55

What does P2C55 mean?

Cylinder 2 Fuel Injector B Offset Learning At Max Limit. The control module detected that the monitored Cylinder 2 Fuel Injector B Offset Learning At value reached its permissible limit.

Is P2C55 generic or manufacturer-specific?

P2C55 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2C55 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. 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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