Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the...
Jeep technical service bulletin 18-034-19 REV. A for 2018 Jeep Wrangler.
- Bulletin number
- 18-034-19 REV. A
- Component
- Electrical system
- 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 the following DTCs:P061A - Level 2 Torque Performance. P0507 - Idle Speed Performance Higher Than Expected. P0456 - EVAP System Small Leak. 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.
Owners of these vehicles have filed 269 complaints in the electrical category.
Vehicles covered
- Jeep Wrangler 2018 2018
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