P1231 LAND-ROVER – High Speed Fuel Pump Relay Activated

P1231 LAND-ROVER Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1231 LAND-ROVER Possible Causes

Faulty High Speed Fuel Pump,High Speed Fuel Pump harness is open or shorted,High Speed Fuel Pump circuit poor electrical connection

P1231 LAND-ROVER Description

The Engine Control Module (ECM) energized the high speed fuel pump and detected no current flow on the circuit.