Jeep Wrangler 2016 — technical service bulletin
Bulletin 18-089-16 · NHTSA communication 10121705 · issued Jul 22, 2016
Technical service bulletin
communication type
Electrical System
component
2016
model years
1
vehicle entries
Official summary
Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a request from the radio to enter the anti-theft code causing the radio stay in anti-theft mode until PCM is flashed. This can result from the battery being disconnected or a dead battery. The following enhancement is included in this software update: · CAN message update to correct VIN message status during ignition initialization.
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.