Jeep Gladiator 2021 — technical service bulletin
Bulletin S2108000014RevA · NHTSA communication 10221275 · issued Jun 15, 2021
Technical service bulletin
communication type
Power Train
component
2021
model years
2
vehicle entries
Official summary
Check Engine Light On, Service Shifter Message, No Crank No Start. Transmission Wiring Harness Chaffed Or Pinched Near Exhaust DPF
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.