Faulty Oxygen Sensor
Oxygen Sensor harness is open or shorted
Oxygen Sensor circuit poor electrical connection
Rich/Lean air fuel ratio
Engine Light ON (or Service Engine Soon Warning Light)
Bank 1 Lambda Correction Catalyst Center Control Limit Reached is the generic description for the P117A Volkswagen code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information
about the P117A Volkswagen OBDII code.