Powertrain
Definition only
Lights the check engine lamp
P26F7: Coolant Pump C Supply Voltage Circuit
Standardized SAE J2012 code · P26xx — Computer and output circuits
What does P26F7 mean?
The dedicated supply voltage line to the third coolant pump module is faulty. Pump cannot operate without battery feed.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Blown fuse on supply line
- Medium High-resistance contact in supply harness
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P26F7 on the same make and model first.
P26F7 in the community
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