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TuningBot DTC Database · v4.38.5

P0619 Alternative Fuel Control Module RAM/ROM Error

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

P · PowertrainSoftwareOBD2

What P0619 means

P0619
Alternative Fuel Control Module RAM/ROM Error Generic · software Data confidence 90%

The control module registered the fault condition described as "Alternative Fuel Control Module RAM/ROM Error".

Symptoms

  • MIL illuminated
  • Symptoms depend on the affected internal function

Possible causes

Alternative fuel control module

Recommended checks

  • Check control module power supplies and grounds first
  • Check battery condition and charging voltage
  • Verify software version and check OEM bulletins
  • Clear the code and retest under the original conditions
  • Only after supply-side checks, consider module assessment

Related and nearby codes

How to read P0619

P

Powertrain: engine, transmission and driveline systems.

0

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

619

Specific fault index within the subsystem.

Frequently asked questions about P0619

What does P0619 mean?

Alternative Fuel Control Module RAM/ROM Error. The control module registered the fault condition described as "Alternative Fuel Control Module RAM/ROM Error".

Is P0619 generic or manufacturer-specific?

P0619 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0619 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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