Flash: Powertrain Control Module (PCM) Updates
Ram technical service bulletin 18-005-20 REV. A for 2020 Ram 2500 and 2020 Ram 3500.
- Bulletin number
- 18-005-20 REV. A
- Component
- Power train
- Summary
- Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the correct software. This vehiclemay have been programmed with incorrect software. The customer may experience Active Noise Control (ANC) system not working. Upon further investigation the technician may find the followingDiagnostic Trouble Codes (DTCs) has been set:B154F-64 - Lost Crankshaft Pulse Signal-Signal Plausibility Failure B154F-24 - Lost Crankshaft Pulse Signal-Signal Stuck High.
Owners of these vehicles have filed 32 complaints in the transmission category.
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