Overall braking performance may be compromised, increasing the risk of a crash.

Service Brakes, Hydraulic — Power Assist — Electric — Control Module — Software

Summary

General Motors, LLC (GM) is recalling certain 2021 Chevrolet Tahoe and GMC Yukon vehicles. Dealer service technicians may have calibrated the brake system incorrectly, affecting Electronic Stability Control (ESC), traction control, Anti-Lock Brake System (ABS), and braking while towing a trailer.

Actions

Dealers will recalibrate the brake system control module, free of charge. Owner notification letters were mailed on August 27, 2021. Owners may contact Chevrolet customer service at 1-800-222-1202; GMC customer service at 1-800-462-8782. GM's number for this recall is N212340970.

Documents (11)

• Defect Notice 573 Report
• Recall Acknowledgement
• Manufacturer Notices(to Dealers,etc) - Dealer Message re N212340970 - Safety Recall Incorrect Software Calibrations May Affect Certain Driving Assist Features
• Miscellaneous Document - Frequently Asked Questions (FAQs) for Safety Recall N212340970 Incorrect Software Calibration May Affect Certain Driving Assist Features
• Safety Bulletin - Product Safety Recall N212340970 Incorrect Software Calibrations May Affect Certain Driving Assist Features
• Recall Quarterly Report #1, 2021-3
• Recall Quarterly Report #2, 2021-4
• Manufacturer Notices(to Dealers,etc) - Dealer Message re REVISION N212340970 01 Safety Recall Incorrect Software Calibrations May Affect Certain Driving Assist Features Customer Letter Added
• Safety Bulletin - Safety Bulletin re Product Safety Recall N212340970 Incorrect Software Calibrations May Affect Certain Driving Assist Features
• Miscellaneous Document - Frequently Asked Questions (FAQs) for Safety Recall N212340970 Incorrect Software Calibration May Affect Certain Driving Assist Features
• ISSUED Owner Notification Letter(Part 577)

General Motors, LLC (GM) is recalling certain 2021 Chevrolet Tahoe and GMC Yukon vehicles. Dealer service technicians may have calibrated the brake system incorrectly, affecting Electronic Stability Control (ESC), traction control, Anti-Lock Brake System (ABS), and braking while towing a trailer.