Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp...
Jeep technical service bulletin 18-062-26 for 2019 Jeep Wrangler.
- Bulletin number
- 18-062-26
- Component
- Engine
- Summary
- Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0420 - Catalyst System Efficiency Below Threshold Bank 1. ● P0430 - Catalyst System Efficiency Below Threshold Bank 2. ● P0456 - EVAP System Small Leak. Customers may also comment on one or more of the following: ● Vehicle fails emissions inspection testing. ● Pinging/detonation sound from the engine after warm up at 1000-1500 RPM at low speed. (EMEA and APAC Only). ● The vehicle stalls at low speeds and/or coming to a stop This bulletin involves reprogramming the PCM with the latest available software.
Owners of these vehicles have filed 49 complaints in the engine category.
Vehicles covered
- Jeep Wrangler 2019 2019
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