P0A12 FORD – DC/DC Converter Enable Circuit Low

P0A12 FORD Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P0A12 FORD Possible Causes

Faulty DC/DC Converter,DC/DC Converter harness is open or shorted,DC/DC Converter circuit poor electrical connection,Faulty Powertrain Control Module (PCM)

P0A12 FORD Description

The Powertrain Control Module (PCM) controls the DC/DC enable hardwired signal to switch the DC/DC converter on and off. The DC/DC converter provides feedback to the PCM using the hardwired DC/DC fault signal. The DC/DC fault signal indicates to the PCM when the converter is non-operational or when a fault has occurred.