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Hi, my Trailblazer 2021 LS is locked in valet mode. I put the correct code but the software is saying that it's not. I have tried to disconnect the battery, 1234 as code, nothing is working and i can't go to a dealer because I have import the car to my country. Help please
 

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2022 TB LT awd 1.3 2020 Tacoma SR5
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So according to my service advisor, her manual indicates using your paired phone with Bluetooth. She had no step by step instructions. Only recommended to take to dealer and have them reset info system from their laptop. Not under warranty so expect to $$$.
 

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GM has a software update that says it addresses that and says that it can be done remotely through the infotainment sys.

A new radio software update, version V155, was released to service for vehicles equipped with Infotainment system RPO IOS, IOU or IOT. In addition to providing general robustness and stability enhancements, this update includes all enhancements from previous software version releases. This update can occur remotely through in-vehicle prompts from the radio display. However, some customers may decline the vehicle update, or the update may be unsuccessful. Along with the vehicles mentioned above, vehicles in unconnected markets, and fleet customers may need the dealer to reprogram the radio with the new software package.

System
  • {Vehicle Intelligence Platform (VIP) models only}: During a USB File Transfer radio software update the radio may display a statement that conditions are not ideal and to try again later (this is NOT related to installing any OTA Update, ONLY to USB programming of the radio)
  • After installing Spotify, a banner will appear at the top of the screen requesting user to log in for entire ignition cycle
  • The Clear All button in the Notification page overlaps with the OnStar TBT notification Close button
  • (China) Screen turns black when shifting out of Reverse, into Park, while in Valet mode
  • Screen is black for 60 seconds or longer
  • Valet mode cannot be disabled or unlocked
  • Radio boots up slowly, then resets itself
  • Radio stays active after retained accessory power (RAP) timer has expired
  • Unable to increase or decrease SXM channel in Content Area with the multifunction control
  • SuperCruise audible alert, the phrase “take control” is cut off of the “take control of the vehicle now” audible alert
  • Radio locks up or display is blank in cold ambient temperatures
 

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GM has a software update that says it addresses that and says that it can be done remotely through the infotainment sys.

A new radio software update, version V155, was released to service for vehicles equipped with Infotainment system RPO IOS, IOU or IOT. In addition to providing general robustness and stability enhancements, this update includes all enhancements from previous software version releases. This update can occur remotely through in-vehicle prompts from the radio display. However, some customers may decline the vehicle update, or the update may be unsuccessful. Along with the vehicles mentioned above, vehicles in unconnected markets, and fleet customers may need the dealer to reprogram the radio with the new software package.

System
  • {Vehicle Intelligence Platform (VIP) models only}: During a USB File Transfer radio software update the radio may display a statement that conditions are not ideal and to try again later (this is NOT related to installing any OTA Update, ONLY to USB programming of the radio)
  • After installing Spotify, a banner will appear at the top of the screen requesting user to log in for entire ignition cycle
  • The Clear All button in the Notification page overlaps with the OnStar TBT notification Close button
  • (China) Screen turns black when shifting out of Reverse, into Park, while in Valet mode
  • Screen is black for 60 seconds or longer
  • Valet mode cannot be disabled or unlocked
  • Radio boots up slowly, then resets itself
  • Radio stays active after retained accessory power (RAP) timer has expired
  • Unable to increase or decrease SXM channel in Content Area with the multifunction control
  • SuperCruise audible alert, the phrase “take control” is cut off of the “take control of the vehicle now” audible alert
  • Radio locks up or display is blank in cold ambient temperatures
This is the bulletin # if you want to look it up : #21-NA-053
 
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