Flash: Powertrain Control Module (PCM) Updates
Jeep technical service bulletin 18-012-20 REV. B for 2020 Jeep Wrangler.
- Bulletin number
- 18-012-20 REV. B
- Component
- Electrical system
- Summary
- Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one of the followingDTCs have been set:P2C90 - Crankcase Ventilation System - Hose "A" Disconnected. P0607 - ECU Internal Performance. P0506 - Idle Speed Performance Lower Than Expected.
Owners of these vehicles have filed 183 complaints in the electrical category.
Vehicles covered
- Jeep Wrangler 2020 2020
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