Flash: Powertrain Control Module (PCM) Updates
Ram technical service bulletin 18-089-20 for 2019 Ram 1500.
- Bulletin number
- 18-089-20
- Component
- Power train: automatic transmission: control module (TCM/PCM/tecm)
- Summary
- Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Some vehicles may have experienced a slight engine hesitation or lag in acceleration from engine startup until the engine and exhaustwarmed up. This update is intended to reduce the hesitation or lag in acceleration from engine startup.
Owners of these vehicles have filed 207 complaints in the transmission category.
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