Jeep Wrangler 2012–2013 — technical service bulletin
Bulletin 18-024-13 · NHTSA communication 10136899 · issued Jun 25, 2013
Technical service bulletin
communication type
Electrical System
component
2012–2013
model years
2
vehicle entries
Official summary
Flash: MIL Illumination P0830- Clutch Upstop Switch Rationality or P0456- Evap System Small Leak This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes have been set: P0830- Clutch Upstop Switch Rationality P0456 - Evap System Small LeakThe correction for Diagnostic Trouble Code P0456 only applies to 2013 Model Year vehicles.
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.