Yamaha e-Bike Diagnostic Software

Official is restricted to authorized dealers and service centers. It is not provided as a public download for consumers. For personal maintenance and basic diagnostics, Yamaha offers the PW-LINK app . Authorized Software vs. Public Apps Dealer Diagnostic Software Consumer Apps (PW-LINK / Power Tuner) Availability Restricted to authorized dealers Publicly available on app stores Connection USB microB cable to display unit Bluetooth connection to bike Functions

The screen should show "Pc" (Display A) or "USB PC CONN" (Display C & X) to confirm a successful link.

PAS Tuner (PWseries)

| Software | Purpose | Availability | |----------|---------|---------------| | | Change assist levels, max speed, torque, display settings | Public (mobile app) | | Yamaha Diagnostic System (YDT) | Read error codes, reset sensors, test motor, update firmware | Yamaha dealers only | | eBike Drive Unit Tool (Windows) | Firmware flashing, advanced debugging | Authorized service centers |

Instant Fault Diagnosis:

Retrieve active malfunction codes and "freeze frame" data from the moment an error occurred.

Unofficial answer:

Yes, older versions exist on file-sharing sites, GitHub repositories, and ebike forums like Pedelecforum.de , ElectricBikeReview.com , and Reddit’s r/ebikes. However, these versions:

Connection Process

: You must often enter a specific mode by holding the Assist Down and Power buttons for several seconds until "Pc" or "USB PC CONN" appears on the display. Key Functions : Instant fault diagnosis and error code retrieval. Battery health monitoring (cycle counts, state of health). Component testing for sensors and motors. Generation of diagnostic reports for warranty claims. Alternative Resources Dealer Yamaha - Electric Bike Forums