P0628 Code: Meaning, Causes, and Symptoms | OBD2 Codes

P0628 – Fuel Pump ‘A’ Control Circuit Low

 

P0628 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

P0628 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)

 

P0628 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.