Adaptive Cruise Inop / Lane Keep Assist Unavailable message / Gap Switch Inop / Unable To Perform Frontview Camera Learn / Amber Collision Alert ICON / No Related DTCs – 2021 Buick Cadillac Chevrolet GMC

NHTSA ID Number: 10206734

Manufacturer Communication Number: PIT5865A

 

Summary

This Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera.  Dealers are to replace the camera.

 

 


13 Affected Products

Vehicles

MAKEMODELYEAR
BUICKeBay logoENCORE GX2021
BUICKeBay logoENVISION2021
CADILLACeBay logoCT42021
CADILLACeBay logoCT52021
CHEVROLETeBay logoCAMARO2021
CHEVROLETeBay logoEQUINOX2021
CHEVROLETeBay logoSILVERADO 15002021
CHEVROLETeBay logoSUBURBAN2021
CHEVROLETeBay logoTAHOE2021
CHEVROLETeBay logoTRAILBLAZER2021
GMCSIERRA 15002021
GMCTERRAIN2021
GMCYUKON XL2021

 


Condition

Some customers may comment on more than one of the following issues:

– Adaptive cruise inoperative (if equipped)

– Lane Keep Assist inoperative

– Gap adjust switch inoperative

– In some cases, the Amber Collision Icon is illuminated

When checking for DTC’s, no related DTC’s will be found. In addition, when trying to perform a
front view camera learn, error messages will be displayed in GDS2 and the learn can not be
completed.

 

Cause

The cause of these concerns could be an internal fault with the B174W Front View Windshield Camera.

 

Correction:

If no root cause is found after performing normal SI diagnostics and you are experiencing the above conditions, then use GDS2 to heck the Frontview Camera Calibration Part Numbers 2 and 3. Connect GDS2 and build as follows: Diagnostics / Module Diagnostics / B174W Frontview Camera Windshield / Identification Information. Next, check Calibration Part Numbers 2 and 3 for Displaying all “0”, as shown below. If Calibration Part Numbers 2 and 3 show all “0”, as shown below, then replace the B174W Frontview Windshield Camera. If Calibration Part Numbers 2 and 3 indicate something other than all “0”, then continue with normal SI diagnostics, as the issue in this PI is not the root cause.

 



1 Associated Document

Manufacturer Communications

Bulletin No.: PIT5865A
Published date: 12/16/2021

MC-10206734-9999.pdf 293.414KB

 


NHTSA ID Number: 10204441

Manufacturer Communication Number: PIT5865

 

Summary

This Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera.  Dealers are to replace the camera.

 

1 Associated Document

Manufacturer Communications

Bulletin No.: PIT5865
Published date: 11/3/2021

MC-10204441-9999.pdf 76.21KB

 


 

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