P0A09 - DC/DC Converter Status Circuit Low

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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P0A09 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)

First diagnose P0A09 code

    Check 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 terminals.

Cost of diagnosing the P0A09 code

    Labor: 1.0

    The cost of diagnosing the P0A09 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

P0A09 Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0a09 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.
OBDII Code P0a09 - DC/DC Converter Status Circuit Low - AutoCodes.com

P0A09 More Information

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P0A09 Information for specific makes

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