P0A8D
Warning14 Volt Power Module System Voltage Low
What does P0A8D mean?
Fault code P0A8D means "14 Volt Power Module System Voltage Low". It is an EV/Hybrid-specific diagnostic trouble code (DTC) in the powertrain system, classified as "motor" with a severity level of "warning". This code indicates a condition that should be addressed soon. Schedule a diagnostic appointment within the next few days to prevent further damage. This code is defined by the SAE J2012 / ISO 15031-6 standard and applies to OBD-II compliant vehicles sold in the US, EU, and other global markets. [Nissan EV-specific: 12V Auxiliary Battery Power Supply Low. Applies to: Nissan LEAF (2010+), Nissan LEAF e+ (2019+)]
Possible Causes
- Electric motor winding fault
- Inverter control module failure
- Position sensor misalignment or failure
- Overheating due to cooling system issue
Recommended Actions
- 1 Schedule service as soon as possible
- 2 Schedule a diagnostic scan at an authorized service center
- 3 Avoid driving at high speeds until inspected