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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.

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
18-090-162017-11-03. Service bulletin. POWER TRAIN; ENGINE; ELECTRICAL SYSTEM. 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 one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · P0441 - EVAP Purge System Performance. · P0455 - EVAP System Large Leak. · P2610 - PCM Internal Engine Off Timer Performance. · P0335 - Crankshaft Position Sensor Circuit. · P0339 - Crankshaft Position Sensor Intermittent. · P0122 - Throttle Position Sensor 1 Circuit Low. · P0123 - Throttle Position Sensor 1 Circuit High. · P0222 - Throttle Position Sensor 2 Circuit Low. · P0223 - Throttle Position Sensor 2 Circuit High. · P2299 - Brake Pedal Position/Accelerator Pedal Position Incompatible. · U1424 - Implausible Engine Torque Signal Received. The following software enhancement is also available: · Calibration to prevent engine stall after -35 °C (95 °F) cold start/drive.
18-021-16 REV. B2017-11-03. 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.
68232614A$2017-11-03. Service bulletin. ENGINE AND ENGINE COOLING. Intake Manifold Gasket Intake Manifold Gaskets on Pentastar Upgrade (Sales Code ERC/ERF) are reusable provided they are not cut, torn or melted. The gaskets are not required by warranty to be replaced like they are on Pentastar Classic (ERB/EHB). The new gaskets are not interchangeable with Pentastar Classic Intake Manifold Gaskets.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.