Powertrain
generic / SAE
P0A09
DC/DC Converter Status Circuit
The hybrid control module detects an electrical fault on the DC/DC converter status feedback line. This converter steps high-voltage battery output down to 12 V for the auxiliary system.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberA / 09
Possible causes
- DC/DC converter internal fault high
- Communication loss with converter medium
Inspection / repair
- Difficulty: shop only
- DIY: shop recommended
- Estimated cost: 800–4000 €
- Estimated time: 3–10 h
- Component: dc dc converter
- Component: high voltage battery
- Component: wiring harness
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012