- November 15: Jeep Power Steering Pump Fire Risk Causes Lawsuit news | 5 days ago
- November 14: Dodge Durangos and Jeep Grand Cherokees Recalled Over ABS Modules recalls | 6 days ago
- October 25: Jeep 4xe FORM Class Action Lawsuit Moves Forward news | 26 days ago
- October 1: Jeep 4xe Fire Recall Issued Following 13 Jeep 4xe Fires recalls | 50 days ago
- September 30: Jeep Wrangler 4xe Battery Problems Argued in Court news | 51 days ago
Jeep TSB #18-018-20 REV. A
2018 Jeep Wrangler
TSB Document:
Affected Component: POWER TRAIN
- Summary
- Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following DTCs: P04FC - Crankcase Ventilation System Performance. P0456 EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification Test (SLVT) to determine if a leak is present in the system. P061A - Level 2 Torque Performance. P0507 - Idle Speed Performance Higher Than Expected. Customers may also describe the following condition:Excessive fan noise when the A/C is on MAX output. Other enhancements included in this update: Electric vacuum pump (EVP) update. Fan noise reduction.
Click a tab for more information.