Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Circuit/System Description
The accessory DC power control module monitors its 14-volt circuit when it is enabled for charge or jump assist. It requires a minimum voltage on this circuit in order to begin operation. This DTC sets when the 14-volt circuit in the accessory DC power control module is below this minimum level at the time it is enabled. Accessory DC power control module functions will run only when an accessory dc power module enable message from the hybrid powertrain control module is active on the serial data circuit.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.