P26CC is reported as engine coolant-pump circuit low voltage. The next step depends on the full scan and the exact vehicle, not the code alone.
If braking, steering, power, temperature, smoke, or fuel smell is abnormal, stop safely; otherwise save the full scan and arrange diagnosis.
This Honda document supports only its stated code and vehicle context. The code alone cannot identify a failed part, prove that another make uses the same definition, or clear a car for driving. Compare your full scan with the current exact-vehicle service information.
Read the Honda original: 25-020 Source date: 2025-02-14; research checked: 2026-11-01.
What this code means
P26CC: Engine coolant-pump circuit low voltage. This is a source-scoped technical description. It does not prove that any named component has failed.
Namespace oem_context_dtc
Make scope Honda
Definition status source supported definition vehicle applicability unverified
Why this manufacturer code needs its own source
Honda's bulletin uses P26CC for an engine coolant-pump circuit low-voltage context. That is an electrical test question, not proof that the pump has failed or that a thermostat or generic coolant-temperature guide applies.
Evidence to save for this code
- Complete code rather than P26Ax family token
- Engine, valve equipment and build identity
Keep the complete module scan and any accompanying warning; a single emissions code cannot show every relevant fault.
Ask for a measured diagnosis
- Does Subaru TCV equipment/design match the bulletin?
- For Honda P26CC, is the cold-condition relay branch supported?
The Thermal management valve and pump-control faults guide has the shared system checks and after-repair questions. Those broad checks apply to a system, while the meaning above is specific to P26CC.
Vehicle and scanner limits
We have not verified this code for every make, model, year or engine. A generic emissions scanner may not read the body, chassis, transmission or EV module that holds related faults. Compare the full scan with the owner manual and manufacturer service information.
Sources and scope
- Honda — 25-020 Document: 2025-02-14 · Research checked: 2026-11-01
- Subaru — 09-80-21R Document: 2024-04-01 · Research checked: 2026-11-01
Research snapshot: 2026-11-01. Source documents may have newer revisions. Verify current instructions and VIN eligibility with the manufacturer.