Fixes common "drop-out" issues where smartphones would disconnect randomly during calls or music streaming.
A widespread complaint among owners of units running pre-DA31 firmware was intermittent black screens during cold weather or after deep sleep cycles. The update rewrites the power management IC (PMIC) timings, eliminating the 10-second boot lag and the dreaded “reboot cycle” where the screen flickers every 45 seconds.
report "freaking out" or rebooting when using maps and receiving phone calls simultaneously. CarPlay Compatibility 17tdt1eu-da31 Software Update
Keeping your Toyota DCU updated fixes several chronic bugs reported by drivers across various automotive forums:
Manufacturers release updates like 17TDT1EU-DA31 for several mission-critical reasons. Installing this patch is not merely about gaining new wallpapers or themes; it is about the core functionality of your vehicle’s computer. report "freaking out" or rebooting when using maps
According to multiple user reports, v1170 is the latest and final official software version released for the 17TDT1EU-DA31. This version was released in April 2021 and contained several under-the-hood changes. As discussed by forum users, "Latest version for 17TDT1EU-DA31 is Apr2021 - v1170". If you are running v1170, you are on the most up-to-date official firmware available.
Prior firmware iterations suffered from an internal memory overflow bug. The unit would randomly force a hard reset if an iPhone or Android device attempted to transfer a large phone-book directory while streaming high-bitrate Bluetooth audio simultaneously. The DA31 software update remedies this conflict. 2. Apple CarPlay & Android Auto Stability According to multiple user reports, v1170 is the
This update is generally compatible with the following Toyota models equipped with the "Touch 2 with Go" system: (2017–2018) C-HR (2017–2019)
The 17tdt1eu-da31 software update is an essential maintenance step for Toyota owners looking to modernize their driving experience. By fixing connectivity bugs and streamlining the interface, it ensures that the Touch 2 system remains functional and reliable.
These are intermediate updates. The v1139 version, dated January 2021, includes improvements under the hood. User forums and technical notes describe this version as introducing "Improved Stability" for the system.