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TuningBot DTC Database · v4.37.15

P20CC Exhaust Aftertreatment Fuel Injector A Control Performance

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

P · PowertrainFuelOBD2

What P20CC means

P20CC
Exhaust Aftertreatment Fuel Injector A Control Performance Generic · fuel Data confidence 65%

The control module judged the Exhaust Aftertreatment Fuel Injector A Control behaviour implausible for the current operating conditions.

Symptoms

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

Possible causes

  • Wiring
  • exhaust after treatment fuel injector
  • ECM

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 P20CC

P

Powertrain: engine, transmission and driveline systems.

2

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

0CC

Specific fault index within the subsystem.

Frequently asked questions about P20CC

What does P20CC mean?

Exhaust Aftertreatment Fuel Injector A Control Performance. The control module judged the Exhaust Aftertreatment Fuel Injector A Control behaviour implausible for the current operating conditions.

Is P20CC generic or manufacturer-specific?

P20CC is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P20CC 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

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

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