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TuningBot DTC Database · v4.37.14

P2C27 Fuel Injector Group B Supply Sense Circuit Low

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

P · PowertrainFuelOBD2

What P2C27 means

P2C27
Fuel Injector Group B Supply Sense Circuit Low Generic · fuel Data confidence 65%

The control module detected that the signal in the Fuel Injector Group B Supply Sense circuit stayed below the expected operating range.

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 P2C27

P

Powertrain: engine, transmission and driveline systems.

2

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

C27

Specific fault index within the subsystem.

Frequently asked questions about P2C27

What does P2C27 mean?

Fuel Injector Group B Supply Sense Circuit Low. The control module detected that the signal in the Fuel Injector Group B Supply Sense circuit stayed below the expected operating range.

Is P2C27 generic or manufacturer-specific?

P2C27 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2C27 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 →

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