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P0A09 – All makes

Code : P0A09
Make : All makes
Description : P0A09 DC/DC Converter Status Circuit Low
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)
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

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