- May 1: Jeep Cherokees Recalled For Turn Signal Problems recalls | 10 days ago
- March 26: Chrysler, Jeep and Ram Vehicles Recalled For Airbag Failures recalls | 46 days ago
- March 13: Jeep Wrangler 4xe Recall, Then a Class Action Lawsuit news | 59 days ago
- February 29: Jeep Grand Cherokee Recall: Wheels May Fall Outward recalls | 72 days ago
- February 20: Jeep Wrangler Hybrids and Jeep Grand Cherokee Hybrids Recalled recalls | 81 days ago
Jeep TSB #18-022-20
2019 Jeep Wrangler
TSB Document:
Affected Component: EQUIPMENT
- 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 of the following DTCs:P06EF - Engine Restart Performance. P050B - Cold Start Ignition Timing 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. P0128 - Thermostat Rationality. P0507 - Idle Speed Performance Higher Than Expected. Customers may also describe the following condition:Excessive radiator fan noise when the A/C is on MAX output. In addition, the following software enhancements are available:Electric Vacuum Pump (EVP) update. Fan noise reduction.
Click a tab for more information.