11Feb JRC GPS Roll-Over day 15th May 2022 - Affected equipment announcement


TNL Group would like to inform you about JRC’s recent announcement that GPS week rollover for equipment will occur on some GPS on 15 May 2022.


The subject models are designed to turn the clock back 19,6 years (29 September 2002) and will continue to work incorrectly under everyday use; however, there is no influence on positioning operation.

As a result, the following abnormalities occur in some equipment.

 - Some date information will be displayed erroneously.

 - Communication function will not work correctly.

JRC GPS Roll-Over 15/5/2022


*1 / See how you locate unit's Serial Number here

*2 / See how you locate units' Serial Number here

*3 / Confirmation method for JUE-250 here

*4 / Settling method of JLR-7700MKII here

*5 / Settling methon of JLR-4330/4331 here


Please feel free to contact us using this link for any additional query or needed information and we'll be happy to assist.