Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
066
Specific fault index within the subsystem.
Frequently asked questions about P0066
What does P0066 mean?
Air Assisted Injector Control Circuit or Circuit Low. The control module detected that the signal in the Air Assisted Injector Control Circuit or circuit stayed below the expected operating range.
Is P0066 generic or manufacturer-specific?
P0066 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0066 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.
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