P1084 Diagnostic Trouble Code (5 interpretations)

The control module determined that the HC catalytic converter, switching valve, bank 2 did not change state as commanded and appears stuck. This is the manufacturer-specific definition used by Lexus.

The control module detected a fault associated with the Fuel Control Mixture Rich Bank 1 Sensor 1 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by MINI.

The control module detected improper operation of the Exhaust valve timing control position sensor, bank 2 circuit. This is the manufacturer-specific definition used by Nissan.

The control module determined that the Exhaust Bank 3 - Mixture Adaption Range 2 Lower Rich adaptation reached its permissible limit. This is the manufacturer-specific definition used by Audi.

The control module determined that the Exhaust Bank 3 - Mixture Adaption Range 2 Lower Rich adaptation reached its permissible limit. This is the manufacturer-specific definition used by Volkswagen.