P2D89
Fan 1 Control Module Supply Voltage Circuit
The supply voltage circuit of the fan 1 control module reports a fault. Module may not start or operate correctly.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Module supply fuse blownCommon
- Wiring or connector faultPossible
Parts involved
- Fan Control Module 1
- Wiring Harness
- ECM
P2D89 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.