P0A12 - DC/DC Converter Enable Circuit Low
P0A12 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)
How is the P0A12 code repair?Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
What is the cost to diagnose the P0A12 code
Labor: 1.0The cost to diagnose the P0A12 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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- Engine Light ON (or Service Engine Soon Warning Light)
P0A12 MeaningThe 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.
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