Powertrain
Definition only
Lights the check engine lamp
P26F8: Coolant Pump C Stuck/Stalled
Standardized SAE J2012 code · P26xx — Computer and output circuits
What does P26F8 mean?
The third coolant pump is commanded on but the rotor does not turn. Sediment, frozen coolant, or a foreign object jams the impeller.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Impeller jammed by sediment or debris
- Medium Pump motor seized by bearing failure
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P26F8 on the same make and model first.
P26F8 in the community
Ask about P26F8No one has posted about P26F8 yet
Share your vehicle, the tool you used and what you tested — the first thread helps everyone who searches for this code.
Describe your P26F8 problem