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Toshiba Mini-split P03 Error Code — Meaning & Repair Cost (2026)

Outdoor discharge (TD1) temperature trouble — abnormally high discharge temperature detected. Below: the most likely causes, and what the matching repair costs — Estimated national ranges with a metro localizer. Reviewed July 2026.

CodeP03
ApplianceToshiba mini-split
Brands covered1
ReviewedJuly 2026

What P03 means

Outdoor discharge (TD1) temperature trouble — abnormally high discharge temperature detected.

Likely causes, most common first

  1. Outdoor discharge (TD1) temperature trouble — abnormally high discharge temperature detected (manufacturer status-code table; no separate cause list published)

Base: 2 published national repair-cost guides (retrieved 2026-07) · full source registry on the methodology page · Code meaning & causes · Reviewed July 2026

What it usually costs to fix Estimated

P03 on a Toshiba mini-split resolves to the ductless mini-split refrigerant leak repair / recharge problem. We don't yet publish a verified parts factor for Toshiba, so the ranges below use the mainstream baseline.

Repair cost calculator

$100–$2,500 national estimate to fix the fault behind P03. Enter a ZIP to localize.

Quality tier (adjusts parts)
National ranges — Toshiba mini-split refrigerant leak repair / recharge Estimated
Most common repairTypical totalDIY?
Refrigerant recharge only (top-off, no repairable leak point found) $100–$350 Pro recommended
Leak search + flare/line-set repair + recharge $300–$1,000 Pro recommended
Evaporator or condenser coil replacement (non-repairable leak) $1,800–$2,500 Pro recommended

Plus a typical service-call / diagnostic fee of $75–$150, often credited toward the repair.

Pick a quality tier for a class-typical estimate, or a specific brand to override it (brand adjusts the parts portion only). Enter a ZIP or Canadian postal code to localize to your metro's labor costs. Everything updates without a page reload; no data leaves your browser except the shard lookup.

Base: 2 published national repair-cost guides (retrieved 2026-07) · full source registry on the methodology page · National base range (BLS OEWS May 2025 + BEA RPP 2024) · Reviewed July 2026 · Estimated

See the full ductless mini-split refrigerant leak repair / recharge cost guide All error codes

Codes are universal — your location changes the repair price, never the code's meaning. See the methodology for the exact localization formula and sources.

Reviewed by a Red Seal–certified appliance technician who also holds a Technical Safety BC gas ticket (Gas-C) and an ODS/halocarbon refrigerant ticket (CFC/HCFC/HFC).