![]() ![]() Tests to see if voltage is getting to the fuel pump secondary circuit through the IFS and relay after the engine has been turned off Scans codes and documents the freeze frame data in order to verify the problemĬlears the DTC codes to verify whether the concern comes back How does a mechanic diagnose the P0232 code? The vehicle will fail to start after the battery has been drained, unless jump started The fuel pump will continue to run even after the key is turned off, draining the battery The Check Engine Light will be illuminated and the P0232 code is set in ECM memory ![]() The fuel pump secondary power circuit has a short to battery voltage The fuel pump relay is stuck on, keeping power supplied to the fuel pump even after the ignition has been turned off The engine control module (ECM) monitored the secondary fuel pump circuit voltage from the fuel pump relay when the relay is turned off and there was voltage getting to the fuel pump to keep running the pump even after the key is turned off P0232 is a generic OBD-II code that is triggered when the engine control module (ECM) detects that the secondary circuit to the fuel pump has a high voltage when the fuel pump relay is turned off. Fuel Pump Secondary Circuit High What the P0232 code means ![]()
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