RAM

21-011-25 REV. B

2025-12-20 · NHTSA 11026798

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제조사 요약

영어 원문

Flash: Transmission Control Module (TCM) 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): ● P1B14-00 - Park By Wire Unintended Park Position. ● P1DF3-00 - ECU Not Initialized.** The customer may describe one or more of the following: ● **Secure idle feature not working with Powerpanel On. ● When shifting from Drive to Reverse and vice versa, the transmission detects a mismatch in Neutral as the gear shifter goes from Drive to Reverse through Neutral (D-N-R or R-N-D) and flashes the Neutral indication blinking on the shifter. ● The gear shifter takes too long to get ready when the driver starts the car, and the transmission system couldn't recognize which gear was selected. This gives a warning message "Shift to Park to Obtain Drivability" in the IPC and MIL lamp On. NOTE: For the condition above, the transmission remains in the Park position. ● Shifter can be moved with engine Off and key On while the transmission is in Park and a warning message is displayed in the IPC "Shift to Park to Start". NOTE: For the condition above, the Electric Park Brake (EPB) is activated. ● Auto parking issue.** ● No perceptible change when drive mode is selected. ● Harsh or unstable launches in slippery or off-road conditions. ● Drive mode operating in incorrect drivetrain configurations. ● Bump or jerk felt during Engine Start/Stop (ESS) operation in normal and snow modes. ● Bump during tip-in downshift while in Normal or Sport modes. ● Transmission shifting concerns when vehicle has less than 2,414 km (1,500 mi). ● Driveability concerns and not holding correct gear during downgrade, snow mode and accelerator tip-out maneuvers. **The following software improvements are also included: ● Secure idle fix. ● Shift by wire updates.* This bulletin involves reprogramming the TCM with the latest available software.

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