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About: Use the Kohler Engine Diagnostic System app with your Kohler Wireless Interface
Module to diagnose EFI engine issues. The required Kohler Wireless Interface
Module can be purchased through Diagnostic Systems Associates or from your
Kohler distributor.


 
  2026-05-20

Kohler Diagnostic System Customer Service 💢

The following contact options are available: Pricing Information, Support, General Help, and Press Information/New Coverage (to guage reputation). Discover which options are the fastest to get your customer service issues resolved.



Verified email ✔✔

E-Mail: [email protected]

Website: 🌍 Visit Kohler Diagnostic System Website

Privacy Policy: http://kmds-update.diagsys.com/privacy_policy

Developer: Diagnostic Systems Associates, Inc.







3 Most reported problems 😔💔

3.0 out of 5

Bluetooth tool will not stay connected

2025-03-21

by Gymtunes

Everytime you open this app it disconnects the Bluetooth from mobile device to diagnostic tool. $500 for the tool and not useful at all.

Limited use application when it works

2025-03-22

by Paw9090

App doesn’t consistently see connected Bluetooth devise. Limited options for diagnostic. Can’t activate or remotely control engine components for testing

Almost useless

2025-03-23

by Mardis Gras

Bluetooth won't stay connected or just never connects. Not sure why this hasn't been fixed.




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