P0629 Code - Fuel Pump 'A' Control Circuit High

What Does P0629 Mean?

OBD-II Code P0629 is defined as a Fuel Pump "A" Control Circuit High

The Fuel Pump enables the transfer of fuel from the tank to the fuel injectors. If the engine control module (PCM) detects the fuel pump is not operating properly, the PCM will set code P0629.

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What are the common causes of P0629 ?

• 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)

How do you troubleshoot P0629 ?

A mechanic can fix or replace damaged wiring and corroded connectors, and replace any defective modules.

Searches related to P0629 - Fuel Pump 'A' Control Circuit High

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