P0231 FORD Fuel Pump Secondary Circuit Low

Possible causes – Blown Fuel Pump fuse– Open Fuel Pump Monitor Circuit– Faulty Fuel Pump Relay– Damaged Engine Control Module (ECM) Tech description For some FORD models:1. Disconnect the inertia switch harness connector2. Turn key to ON position (Engine OFF)3. Measure voltage of circuit between inertia switch harness connector and ground4. If battery voltage is…