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TuningBot DTC Database · v4.37.15

P0622 Generator Field F Control Circuit Malfunction

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

P · PowertrainBatteryOBD2

What P0622 means

P0622
Generator Field F Control Circuit Malfunction Generic · battery Data confidence 90%

The control module detected improper operation of the Generator Field F Control circuit.

Possible causes

  • Wiring
  • alternator
  • battery
  • ECM

Related and nearby codes

How to read P0622

P

Powertrain: engine, transmission and driveline systems.

0

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

622

Specific fault index within the subsystem.

Frequently asked questions about P0622

What does P0622 mean?

Generator Field F Control Circuit Malfunction. The control module detected improper operation of the Generator Field F Control circuit.

Is P0622 generic or manufacturer-specific?

P0622 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0622 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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