P0C73: Sonata, Niro and Carnival are different repairs. Compare manufacturer documents and vehicle gates before choosing any diagnostic or repair branch.
This comparison is an editorial cross-reference of separate manufacturer documents. It does not choose a repair, prove VIN eligibility or give driving permission. Check current sources and safety conditions first.
This reference supports the stated topic only. Model, model year, equipment, current rule or individual vehicle conditions may differ; check the original source before acting.
Read the Hyundai original: Sonata Hybrid electric water pump Source date: 2014-07; research checked: 2026-11-01.
Why these cases are different
YF data/recurrence route, DE contamination partial-versus-full pump repair, and KA4 HEV MCU update remain separate.
A shared root code, similar warning or common symptom is only a search starting point. The year, engine, production window, associated codes and measured test can lead to a different manufacturer branch.
Compare the original document contexts
| Scenario | Manufacturer document | Recorded scope sample |
|---|---|---|
| Sonata Hybrid YF pump codes: verify commanded cooling-pump operation | 14-HC-001 | Hyundai Sonata Hybrid · year not established · HEV |
| Kia Niro P2600/P0C73: partial pump repair versus complete replacement | ELE 211 Rev1 | Kia Niro · 2019 · HEV; 2019-01-23; Kia Niro Plug-in Hybrid · 2019 · PHEV; 2019-01-23 |
| 2025 Carnival Hybrid P0C7300: MCU logic update, not assumed pump failure | ELE386 / SA617 | Kia Carnival Hybrid · 2025 · HEV; 2025-03-19 |
The scope column is a sample of the supplied rows, not every condition in the original communication. Open each case and its source for the full exclusions.
What to bring to a qualified shop
- The exact code with suffix, module, status and any companion codes; do not clear them before recording.
- The full vehicle year, engine or EV powertrain, build/VIN information and warning text.
- The symptoms and circumstances in which they appeared, including any unsafe behavior.
- The document numbers above and a request to check current revisions, eligibility and diagnostic evidence.
What remains unknown here
The research set does not contain a current VIN-level service approval or a technician’s diagnosis of your car. These comparisons do not establish a failed component, warranty payment, recall remedy or compatible product. For high-voltage, braking, steering, smoke, fuel or severe power loss, seek help rather than using a comparison to justify driving or a DIY repair.
Sources and scope
- Hyundai — Sonata Hybrid electric water pump (14-HC-001) Document: 2014-07 · Research checked: 2026-11-01
- Kia — Niro auxiliary electric water pump partial repair (ELE 211 Rev1) Document: 2021-02-23 · Research checked: 2026-11-01
- Kia — Carnival Hybrid MCU P0C73 logic update (ELE386 / SA617) Document: 2025-06 · 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.