P2D88: Fan 1 Control Module Performance
Standardized SAE J2012 code · P2Dxx codes
What does P2D88 mean?
The fan 1 control module response does not match the calibrated profile. Internal self-tests fail or output drift.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Internal module fault
- Medium Output stage drift
- Low Module software outdated, reflash may resolve
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2D88 on the same make and model first.
P2D88 in the community
Ask about P2D88No one has posted about P2D88 yet
Share your vehicle, the tool you used and what you tested — the first thread helps everyone who searches for this code.
Describe your P2D88 problem