🚜Riding Mower

E03

Toro · TimeCutter 42" Zero-Turn 42 in 22 HP Kohler V-Twin Zero-Turn Riding Mower with Smart Speed Control

Toro TimeCutter 42" Zero-Turn 42 in 22 HP Kohler V-Twin Zero-Turn Riding Mower with Smart Speed Control E03 Error Fix: Hydrostatic Transmission Fault

This error triggers when the hydrostatic transmission system experiences pressure loss or mechanical failure, causing reduced or no drive to wheels.

High severity2 fixes available

Quick Answer

Error E03 on the Toro TimeCutter 42" Zero-Turn 42 in 22 HP Kohler V-Twin Zero-Turn Riding Mower with Smart Speed Control means: Hydrostatic Transmission Fault. The top-ranked community fix is “Check Hydrostatic Fluid Level and Leaks” (easy difficulty, ~25 min, DIY cost: $0-$25). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · riding mower

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

Root Cause Analysis

Mechanical Wear

When to Call a Professional

While many riding mower repairs can be done safely at home, consider hiring a qualified technician if:

This is a high severity error — continued use may cause damage or a safety hazard
The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $150-$300.

Other Toro Models with Error E03

PowerJet F700 700 CFM Gas Leaf Blower

leaf_blower · 2 fixes

Recycler 22" SmartStow 22 in 160 cc 3.75 HP SmartStow Push Mower with Personal Pace and Recycler Cutting System

push_mower · 2 fixes

TimeCutter SS4225 42 in 22.5 HP Riding Mower

riding_mower · 2 fixes

Other Toro TimeCutter 42" Zero-Turn 42 in 22 HP Kohler V-Twin Zero-Turn Riding Mower with Smart Speed Control Error Codes

Engine Overheat

Battery Low Voltage

Blade Clutch Failure

Fuel System Blockage

Starter Motor Failure

2 fixes

E07

Seat Safety Switch Fault

2 fixes

E08

Deck Engagement Circuit Error

2 fixes

E09

Mower Steering Assist Fault

2 fixes

People Also Ask About Toro TimeCutter 42" Zero-Turn 42 in 22 HP Kohler V-Twin Zero-Turn Riding Mower with Smart Speed Control Error E03

What does error code E03 mean on a Toro TimeCutter 42" Zero-Turn 42 in 22 HP Kohler V-Twin Zero-Turn Riding Mower with Smart Speed Control?

Error code E03 on the Toro TimeCutter 42" Zero-Turn 42 in 22 HP Kohler V-Twin Zero-Turn Riding Mower with Smart Speed Control means: Hydrostatic Transmission Fault. This error triggers when the hydrostatic transmission system experiences pressure loss or mechanical failure, causing reduced or no drive to wheels.

How do I fix error code E03 on my Toro TimeCutter 42" Zero-Turn 42 in 22 HP Kohler V-Twin Zero-Turn Riding Mower with Smart Speed Control?

The most successful fix is "Check Hydrostatic Fluid Level and Leaks" (easy difficulty, ~25 minutes). Estimated DIY cost: $0-$25. HomeMD has 2 community-ranked fixes for this error.

Is error code E03 on a Toro TimeCutter 42" Zero-Turn 42 in 22 HP Kohler V-Twin Zero-Turn Riding Mower with Smart Speed Control serious?

This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.

Can I fix Toro TimeCutter 42" Zero-Turn 42 in 22 HP Kohler V-Twin Zero-Turn Riding Mower with Smart Speed Control error E03 myself?

Yes — the top-ranked community fix ("Check Hydrostatic Fluid Level and Leaks") is rated easy difficulty and takes about 25 minutes. Tools needed: Rags, Fluid compatible funnel.

How much does it cost to repair Toro TimeCutter 42" Zero-Turn 42 in 22 HP Kohler V-Twin Zero-Turn Riding Mower with Smart Speed Control error E03?

DIY cost: $0-$25. Professional repair typically costs $150-$300. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Toro TimeCutter 42" Zero-Turn 42 in 22 HP Kohler V-Twin Zero-Turn Riding Mower with Smart Speed Control have?

The Toro TimeCutter 42" Zero-Turn 42 in 22 HP Kohler V-Twin Zero-Turn Riding Mower with Smart Speed Control has 8 other known error codes, including: E01 (Engine Overheat), E02 (Battery Low Voltage), E04 (Blade Clutch Failure), E05 (Fuel System Blockage), E06 (Starter Motor Failure), and 3 more.

Which other Toro models have the E03 error?

Error code E03 also appears on 3 other Toro models: PowerJet F700 700 CFM Gas Leaf Blower, Recycler 22" SmartStow 22 in 160 cc 3.75 HP SmartStow Push Mower with Personal Pace and Recycler Cutting System, TimeCutter SS4225 42 in 22.5 HP Riding Mower. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the Toro TimeCutter 42" Zero-Turn 42 in 22 HP Kohler V-Twin Zero-Turn Riding Mower with Smart Speed Control have?

The Toro TimeCutter 42" Zero-Turn 42 in 22 HP Kohler V-Twin Zero-Turn Riding Mower with Smart Speed Control has 8 other known error codes:

E01 — Engine Overheat (2 fixes)
E02 — Battery Low Voltage (2 fixes)
E04 — Blade Clutch Failure (2 fixes)
E05 — Fuel System Blockage (2 fixes)
E06 — Starter Motor Failure (2 fixes)
E07 — Seat Safety Switch Fault (2 fixes)
E08 — Deck Engagement Circuit Error (2 fixes)
E09 — Mower Steering Assist Fault (2 fixes)

Which other Toro models have the E03 error?

Error code E03 also appears on 3 other Toro models:

PowerJet F700 700 CFM Gas Leaf Blower (leaf blower) · 2 fixes
Recycler 22" SmartStow 22 in 160 cc 3.75 HP SmartStow Push Mower with Personal Pace and Recycler Cutting System (push mower) · 2 fixes
TimeCutter SS4225 42 in 22.5 HP Riding Mower (riding mower) · 2 fixes

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