Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the...
Ram technical service bulletin 21-034-22 for 2022 Ram 1500.
- Bulletin number
- 21-034-22
- Component
- Electrical system
- Summary
- Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Uponfurther investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set: P0735 - Gear 5 Shift Incorrect Ratio. Customers may comment on one or more of the following: Low speed tip in bumps/hesitation. Low speed coast down bump in tow/haul mode. The following enhancement is also available: Low speed coast down throttle improvements during hot/cold conditions/faulted HybridControl Processor (HCP) system state.
Owners of these vehicles have filed 202 complaints in the electrical category.
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