Faulty Fuel Injector 1
Fuel Injector 1 harness is open or shorted
Fuel Injector 1 circuit poor electrical connection
Engine Light ON (or Service Engine Soon Warning Light)
Injector Circuit Open Cylinder 1 is the generic description for the P1237 Audi code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information
about the P1237 Audi OBDII code.