JEEP

18-022-20

Comunicaciones del fabricante

Fecha de publicación: 2020-03-19
Recibido por NHTSA: 2020-04-27
Números de registro NHTSA: 10174233 · 10175153 · 10175566

Los registros repetidos del mismo boletín se agrupan; se conservan sus identificadores.

Resumen del fabricante

Texto original en inglés

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.

Comunicaciones de NHTSA ↗