Jeep Gladiator 2021 — technical service bulletin
Bulletin S2108000165 · NHTSA communication 10221600 · issued Jul 10, 2021
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
vehicle entries
Official summary
MIL Lamp Is On, Multiple Glow Plug DTC?s
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.