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Service bulletin PIT5551B

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10123280
Published by NHTSA2017-11-14
Manufacturer's numberPIT5551B
Manufacturer's date2017-10-24
NHTSA componentFORWARD COLLISION AVOIDANCE: SENSING SYSTEM

NHTSA's summary

This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Driver assistance

Vehicles listed
BUICK ENCLAVE2018
CADILLAC CT62016
CADILLAC CT6 PLUG-IN HYBRID2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE2018
CADILLAC ESCALADE ESV2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV2017
CADILLAC XT52017, 2018
CHEVROLET BOLT EV2017, 2018
CHEVROLET EQUINOX2018
CHEVROLET MALIBU2016, 2017, 2018
CHEVROLET SILVERADO2017
CHEVROLET SILVERADO 25002018 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2017, 2018
CHEVROLET TAHOE2017, 2018
CHEVROLET TRAVERSE2018
CHEVROLET VOLT2016, 2017, 2018
GMC ACADIA2017, 2018
GMC SIERRA2017
GMC SIERRA 35002018 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2018
GMC YUKON DENALI2017, 2018 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
19V7610002019-10-24. SERVICE BRAKES; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING; ELECTRONIC STABILITY CONTROL (ESC)
16V2720002016-05-05. ELECTRONIC STABILITY CONTROL (ESC)

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
PIT5551P2024-12-05. Service bulletin. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIT61402024-04-15. Service bulletin. This preliminary information discusses potential camera functional issues if the camera is not properly programmed.
PIT4322P2024-03-18. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
PIT5551N2024-03-18. Service bulletin. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
00540A2024-02-12. Service bulletin. Service Update for Inventory Vehicles Only Surge Sensation
15NA082B2024-02-12. Service bulletin. Clunking Noise from Front of Vehicle During Turns and/or Bumps
15NA0822024-02-12. Service bulletin. Clunking Noise from Front of Vehicle During Turns and/or Bumps
PIT61212024-02-12. Service bulletin. This Preliminary information communicates information to direct the dealer to contact Techline for programming assistance when these DTC's set after replacing the frontview camera.
18-NA-1762024-02-02. Service bulletin. This technical bulletin provides a procedure to add reflective butyl tape to the rear driver's side module to correct the radar reflection being detected and triggering the false alerts.
PIT5386J2024-01-29. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.