RAM
21-039-25 REV. A
厂商技术资料
- 发布日期
- 2025-09-26
- NHTSA 接收日期
- 2025-10-02
- NHTSA 收录编号
- 11023605
厂商摘要
以下为英文原文
Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• P0827-00 Up and Down Shift Switch Circuit Low.
• P0826-00 Up and Down Shift Switch Circuit.
• P085F-00 Up and Down Shift Switch Circuit Range/Performance. Customers may also experience one or more of the following:
• Vehicle stuck in default gear, and possibly stranded for many minutes.
• Rough/bumpy 2-3 power on upshifts and/or 3-2 coast down shifts.
• Vehicle enters into limp home mode. Other software improvements:
• Decreased sensitivity to faults P1D8A and P1D8B. This bulletin involves reprogramming the TCM with the latest available software.
• P0827-00 Up and Down Shift Switch Circuit Low.
• P0826-00 Up and Down Shift Switch Circuit.
• P085F-00 Up and Down Shift Switch Circuit Range/Performance. Customers may also experience one or more of the following:
• Vehicle stuck in default gear, and possibly stranded for many minutes.
• Rough/bumpy 2-3 power on upshifts and/or 3-2 coast down shifts.
• Vehicle enters into limp home mode. Other software improvements:
• Decreased sensitivity to faults P1D8A and P1D8B. This bulletin involves reprogramming the TCM with the latest available software.
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