OBD Code P0629

Fuel Pump “A” Control Circuit High

What’s mean?

OBD2 Code P0629 Definition:
When the ignition switch is turned on The ECM will mobilize the fuel pump relay and run the in-tank fuel pump as soon as the ignition is switched ON. The fuel pump will function till the engine cranks or runs, and the ECM continues to obtain ignition reference pulses.

Symptoms

Possible sumptoms of P0629
– Engine Light ON (or Service Engine Soon Warning Light)

Possible Causes

Possible causes of P0629
– Fuel pump relay circuit short to ground – Faulty fuel pump relay The Error code is generally activated on detection of the following conditions: The commanded signal to the fuel lift pump does not match the feedback signal

Possible Solutions