Service bulletins for the 2016 Jeep Wrangler
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
195 on file from NHTSA, as of 2026-10-19.
About P0306 on the 2016 Jeep Wrangler: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P0306 are shown. Show all
| 18-021-16 | 2018-06-18. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: · P0335 - Crankshaft Position Sensor Circuit. · P0306 - Cylinder 6 Misfire. The following enhancements are also included in this software update: · Cruise control calibration improvement. · Improved engine misfire calibration on automatic transmission vehicles. |
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| 18-021-16 REV. B | 2017-11-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM; POWER TRAIN. Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: · **P0305 - Cylinder 5 Misfire.** · P0300 - Multiple Cylinder Misfire. · P0335 - Crankshaft Position Sensor Circuit. · P0306 - Cylinder 6 Misfire. The following enhancements are also included in this software update: · Cruise control calibration improvement. · Improved engine misfire calibration on automatic transmission vehicles. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.