Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
285
Specific fault index within the subsystem.
Frequently asked questions about P0285
What does P0285 mean?
Cylinder 9 Injector Circuit Low. The control module detected that the signal in the Cylinder 9 Injector circuit stayed below the expected operating range.
Is P0285 generic or manufacturer-specific?
P0285 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0285 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.