Chevrolet Tahoe 2025–2026 — technical service bulletin
Bulletin PIT6388A · NHTSA communication 11032778 · issued May 14, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2025–2026
model years
2
vehicle entries
Official summary
This Preliminary information communicates information on Reprogramming the BCM and how to place the key fob during Immobilizer learn due to the immobilizer coil being relocated.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.