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GENERAL INFORMATION

ENGINE CONTROLLER REPROGRAMMING (REFLASH)
OVERVIEW 5. Select the Year, Product Line, and Description.
The Digital Wrench® Engine Controller Reprogramming
(or “Reflash”) feature allows reprogramming of the ECU
fuel and ignition map. To successfully reprogram the
ECU, an Authorization Key must be obtained by entering
a Request Code in the field provided on the Reflash
Authorization site. The Request Code is automatically
generated by Digital Wrench® during the reprogramming
process.
REPROGRAMMING (REFLASH) TIPS
• Check the Vehicle’s Battery Voltage
Make sure the vehicle’s battery voltage (no load) is at
minimum 12.8 volts (12.5 volts with the key ON). If 6. Select the ‘Special Tests’ menu icon.
necessary, connect a battery charger to bring voltage
level above minimum.
• Use a Dedicated PC for Diagnostics Only
– Best results are obtained using a PC that is
dedicated to Digital Wrench® diagnostics only.
Running Digital Wrench® software on a PC that
includes other non-essential programs might affect 7. Select Engine Controller Reprogramming from the
the software performance. Special Tests menu.
– Make sure the PC is plugged in and charging
before you attempt to reprogram. 8. Follow the on-screen prompts to perform the reflash.
– Avoid using the PC while reprogramming is in 9. Copy the Request Code in Digital Wrench®.
progress.
10.Open a web browser and log on to your Polaris dealer
• Understand the Process website (www.polarisdealers.com).
Review the Digital Wrench® System Help before you 11. From the Service and Warranty drop-down, select
attempt to reprogram. See “Digital Wrench® Software Digital Wrench, and then click Reflash Authorization.
Overview” for information on how to access the
System Help. 12.Paste the Request Code from Digital Wrench® into
the field provided on the Reflash Authorization site
REPROGRAMMING (REFLASH) PROCEDURE and click Continue.
1. Verify the most current version of the Digital Wrench® 13.Continue to follow the on-screen prompts.
software is installed on your PC. 14.Copy and paste the Authorization Key into the field
2. Connect the SmartLink Module cables to your PC and provided in Digital Wrench® and click Continue.
the vehicle. 15.Once the reflash is complete, click Finish. Then verify
3. Launch the Digital Wrench® software. the reflash worked by starting the vehicle.

4. Select the ‘Change Vehicle’ menu icon.

POLARIS MOBILE DIGITAL WRENCH®
(PMDW)
Polaris Mobile Digital Wrench® (PMDW) is a diagnostic
software application (app) designed specifically for
Android™ devices. When paired with the Wireless
Vehicle Link (WVL) (PU-51435), the PMDW app provides
many of the same features and functions as the Digital
Wrench® software.

1.44 9930583 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.