P0AF7
14 Volt Power Module Internal Temperature Too High
The 14V DC/DC converter module reports internal temperature above the protection threshold. Sustained load or cooling failure.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- Sustained high module loadCommon
- Ambient temperature too highPossible
Parts involved
- Pm14v Module
P0AF7 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.