NHTSA ID Number: 10163657
Manufacturer Communication Number: PIT5535D
This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble Code B1008 Sym 4B set. Technician will need to check the windshield to ensure it is not aftermarket. Technician will also check for anything that may impair the front view camera and ensure the camera is properly mounted.
54 Affected Products
|CHEVROLET||SILVERADO 2500||2015-2016, 2018-2019|
Bulletin No.: PIT5535D Published date: 07/9/2019
PIT5535D Service Front Camera / Service Lane Departure Warning
/ Service Lane Keep Assist Message with DTC B1008 SYM4B / IntelliBeam Headlight / Windshield Wind
Brand: Model: Model Years:
Buick LaCrosse 2017 – 2019 All
All All All
Cadillac CT6 2016 – 2019 All
All All All Cadillac Escalade Models
2015 – 2019 All All All All Cadillac XT5
2017 – 2019 All All All
Chevrolet Bolt 2017 – 2019 All
All All All
Chevrolet Malibu 2016 – 2019 All
All All All Chevrolet Silverado 1500 2014
All All All All Chevrolet Silverado
2015 – 2018 All All All All
Chevrolet Silverado LD 2019 All
All All All Chevrolet Silverado 2500/3500 2019
All All All All Chevrolet Suburban
2015 – 2019 All All All All
Chevrolet Tahoe 2015 – 2019 All
All All All
GMC Acadia 2017 – 2019 All
All All All GMC Sierra 1500
2014 All All All All GMC
Sierra 2015 – 2018 All All All
All GMC Sierra Limited 2019
All All All All GMC Sierra 2500/3500
2019 All All All All GMC
Yukon Models 2015 – 2019 All All All
Involved Region or
Country North America and N.A. Export Regions With any of the
Additional Options (RPO)
UHX – Lane Keep Assist
UEU – Forward Collision Alert UFL – Lane Warning Departure
While performing the “Front View Camera Module Calibration”, using the scan tool (GDS2), it may not
complete and set DTC B1008 Sym 4B.
Note: A replacement front view camera module must be SPS programmed before the calibration/learn is
This is caused when the front view camera module has determined that it is not properly mounted
and/or there is a blockage of its view.
Do NOT replace the Front View Camera Module if it is only setting DTC B1008 SYM4B. Perform the
following checks and repair as necessary:
– Verify the front view camera module bracket (5) is fully seated down and secured on the
windshield pins (6), shown below.
– Verify the front view camera module is secured properly to the bracket (5).
– The front view camera module must have a clear ﬁeld of vision to the road ahead. Check for
anything that may impair the front view camera module’s ability to clearly see the area in front of
the vehicle, such as:
Tinted windshield glass
Banners across the top of the windshield
Windshield blocked with mud, dirt, snow, ice, or slush Damaged windshield
– Inclement weather such as fog, rain, or snowy conditions can limit visibility while driving
– Verify there are no yaw sensor issues and if none perform a yaw sensor relearn using GDS2.
– Inspect for an improperly mounted windshield. In general, this is most likely to occur due to
poor workmanship when a windshield was previously replaced. Inspect the following areas for proper
Inspect the gap between the top of the windshield and roof sheet metal (3), shown below. This gap
should be 3.6 mm (+/- 1 mm).
Factory GM windshields use alignment/locating pins (4) in the upper corners of the windshield,
which makes it much easier to properly align the windshield to the body opening, shown below.
Most aftermarket windshields do not use these alignment/locating pins, which can make it more
diﬃcult to ensure a proper installation.
Also, inspect to make sure the windshield is sub-ﬂush to the roof sheet metal (7), as shown below.
If the windshield is proud of the roof sheet it could indicate:
– The old urethane adhesive bead was not cut low enough and left excessively thick.
– Windshield alignment/locating pin(s) are not fully in the alignment hole(s).
– During windshield installation it was not ﬁrmly pressed around the entire outside edge in order
to wet-out the urethane adhesive bead.
– The urethane adhesive bead dried before the windshield was installed.
unable to complete the learn.
– If, after performing the checks listed above and the root cause of the camera not completing the
calibration/learn is still not found, inspect for an aftermarket windshield being installed in the
vehicle. To determine whether or not the windshield is an aftermarket or factory windshield,
inspect for the “GM” Logo in the lower right corner of windshield, as shown below (2). If the “GM”
Logo is not present, then the windshield is aftermarket.
It has been found that some aftermarket windshields do not properly mount/position the front view
camera. Shown below are some images, taken with engineering tools (see note below), of what the
front view camera is actually seeing. The ﬁrst image is taken from a truck with an aftermarket
windshield. As shown below, the camera is seeing part of the hood (1). Because of this, the
camera is not seeing movement in the area of the hood and can not complete the learn. The second
image below is from a truck with a factory windshield and there is no hood seen by the front view
Note: The images shown below can only be seen using engineering tools and there is NO way for the
dealership’s service tools (GDS2) to see the front view camera images.
NOTE: If the windshield has to be removed/replaced for any of the above reasons, it is suggested
that a factory GM windshield be installed.
Additional SI Keywords
IntelliBeam Headlight high low beam head light lamp
Created on 12/14/2016
Updated on 5/26/17 to update recommendation section
Updated on 7/3/17 to update the models. Updated on 7/5/2018 to update the model year Updated on
7/9/2019 to update the model year
Bulletin No.: PIT5535D
Published date: 07/9/2019
Bulletin No.: PIT5535C
Published date: 07/6/2018
Bulletin No.: PIT5535B
Published date: 07/7/2017
Bulletin No.: PIT5535
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Last update on 2019-11-15 / Affiliate links / Images from Amazon Product Advertising API
Last update on 2019-11-15 / Affiliate links / Images from Amazon Product Advertising API