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Quick Tip: GM Radar Sensor Recalibration

Applies To: APOLLO-D8™, ETHOS® Edge, ETHOS® PRO, ETHOS® Tech, MODIS Edge™, MODIS Ultra™, SOLUS Edge™, SOLUS Ultra®, VERDICT®, VERUS® Edge, VERUS® PRO, ZEUS®
Overview:

Just removed or replaced the bumper on a 2010 or newer GM model? Make sure to recalibrate the rain sensor module - our short Diagnostic Quick Tip shows you how.

Resolution:

VIDEO TRANSCRIPTION

Have you just removed or replaced the bumper on a 2010 and newer GM vehicle? You now need to recalibrate the radar sensors, which can be done thanks to the coverage in the latest Snap-on diagnostic software.

Hook your scan tool up to the vehicle then go to the Systems menu, select Radar Sensor Module – Short Range Left Front and then go to Functional Tests , and select Long Range Radar Sensor Module Learn.

A message is shown on the screen of your tool stating that beginning the learn procedure will delete the learned values, and that once the procedure has been started it must be completed.

You are advised to drive the vehicle for 10 to 30 minutes, or until the calibration is complete, during which time the driver information center will display the “Service Driver Assist” message, which will turn off once the calibration is complete.

You should not back out or press any other buttons before then, and you should make sure that the following conditions are met:

  • Vehicle speed is greater than 35mph (56km/h)
  • Avoid extreme acceleration or deceleration
  • Follow one or more vehicles. Typical traffic is sufficient but vehicles 100ft to 165ft (30m to 50m) away are most effective at decreasing calibration time
  • Drive on a straight road with many stationary objects at the side of the road

Hit Continue, then the next screen will show the Long Range Radar Sensor Module Learn Status as Not Learned. Tick the box next to Learn at the top of the screen and begin the procedure.

Drive the vehicle to recalibrate the sensors and once the procedure is complete, the status will update to Learned.

This is another example of how the diagnostic software from Snap-on helps you keep ADAS jobs – and the profits – in your shop.

Last Updated: May 29, 2019
 

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