P2633 AUDI – Fuel Pump ‘B’ Control Circuit Low

P2633 AUDI Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P2633 AUDI Possible Causes

Faulty fuel pump relay,Faulty fuel pump,Fuel pump harness is open or shorted,Fuel pump circuit poor electrical connection,Faulty fuel pump control module (if applicable)

P2633 AUDI Description

The Engine Control Module (ECM) monitors the Fuel Pump Control Circuit. The ECM sets the OBDII code when the Fuel Pump Control Circuit is out of factory specifications.