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Service bulletins for the 2020 Chevrolet Suburban

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.

844 on file from NHTSA, as of 2026-10-19.

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By component

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Only bulletins with component: Driver assistance are shown. Show all

Bulletins, newest first
19NA0102020-08-10. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:ADAS:HUD:SOFTWARE. This informational bulletin provides information for dealers/technicians on Head-Up Display (HUD) on Vehicles Model Year 2017 and Newer Having Rotational Feature that Allows for Adjusting of Angle of HUD Image.
PIT4322K2020-05-11. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). 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.
PIE0554A2020-05-04. Service bulletin. LANE DEPARTURE. This engineering information (EI) is requesting information from the technicians for issues regarding Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes and/or Turn Single Audio.
PIE05542020-05-04. Service bulletin. LANE DEPARTURE; EQUIPMENT:ELECTRICAL. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes and/or Turn Single Audio.
PIT5622B2020-04-13. Service bulletin. EQUIPMENT; LANE DEPARTURE: BLIND SPOT DETECTION; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. This Preliminary information communicates instructions dealer to inspect for a broken or damaged side objector sensor/module bracket if there is a "Side Detection System Unavailable" message displayed at startup.
PIT5552D2020-04-13. Service bulletin. BACK OVER PREVENTION. This Preliminary information communicates repair information for the rear vision camera or surround vision camera image being: - Yellow - Blurry - Distorted - Image scrolling - Image with NO gridlines - Screen is blue with gridlines - Screen is blue with Service Rear Vision System message
PIT5527C2019-12-09. Service bulletin. LANE DEPARTURE. This Preliminary Information communication provides information to the technician about vehicles that show a "Take Steering" message on the Driver Information Center along with a warning chime/alert. Dealer should be advised the purpose of the message is to alert the driver that the Lane Keep Assist system has not detected active steering input from the driver (hands off the steering wheel).
PIT5535E2019-11-12. Service bulletin. LANE DEPARTURE. 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.
PIT5551E2019-11-12. Service bulletin. FORWARD COLLISION AVOIDANCE. 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".
PIT5551E2019-10-15. Service bulletin. FORWARD COLLISION AVOIDANCE. 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".
PIT5572C2019-09-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. This Preliminary information communicates a Service Adaptive Cruise With DTC C018C SYM3A After Replacing K14 Distance Sensing Cruise Control Module and provides tips for completing all necessary steps and to contact TCSC if configuration does not complete correctly.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.