Powertrain
Definition only
Lights the check engine lamp
P2D89: Fan 1 Control Module Supply Voltage Circuit
Standardized SAE J2012 code · P2Dxx codes
What does P2D89 mean?
The supply voltage circuit of the fan 1 control module reports a fault. Module may not start or operate correctly.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Module supply fuse blown
- Medium Wiring or connector fault
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2D89 on the same make and model first.
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