Jeep Grand Cherokee 2011–2012 — technical service bulletin
Bulletin SB-08-034-12 · NHTSA communication 10044529 · issued May 10, 2012
Technical service bulletin
communication type
Electrical System
component
2011–2012
model years
2
vehicle entries
Official summary
Jeep: the air suspension control module (ascm) needs reprogramming with new software. *pe
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.