P2DFB
Coolant Pump E Control Module Overtemperature
The control module of coolant pump E reports junction temperature above the protection threshold.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Ambient temperature too highCommon
- Module cooling path blockedPossible
Parts involved
- Coolant Pump E Control Module
P2DFB 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.