- September 15: Jeep Cracked Windshield Lawsuit Sees State Claims Dismissed news | 3 days ago
- September 10: Possible Jeep Power Steering Pump Fires Investigated investigations | 8 days ago
- September 8: Jeep Instrument Panel Recall Affects Gladiators and Wranglers recalls | 10 days ago
- September 5: HEMI Tick Lawsuit Includes 5.7-liter and 6.4-liter Engines news | 13 days ago
- July 23: Ram 1500 and Jeep Wagoneer 5.7L eTorque Vehicles Are Stalling investigations | 57 days ago
Jeep TSB #18-057-20 REV. A
2020 Jeep Wrangler
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may comment on one or more of the following:Abnormal Engine noise heard periodically. This noise is caused by Variable Valve Timing (VVT) cleaning cycle. A misfire condition with no Malfunction Indicator Lamp (MIL) illumination or Diagnostic Trouble Codes (DTCs) set. In addition, the following software enhancements are available:Updates to include misfire DTCs.
Click a tab for more information.