RAM
21-044-25
Comunicados do fabricante
- Data de publicação
- 2025-11-08
- Recebido pela NHTSA
- 2025-11-13
- Números de registro NHTSA
- 11025502
Resumo do fabricante
Texto original em inglês
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):
• 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. The customer may describe one or more of the following:
• Vehicle stuck in default gear, and possibly stranded for many minutes.
• Rough or bumpy 2-3 power on upshifts and/or 3-2 coast down shifts.
• Vehicle enters into limp home mode. In addition, the following software enhancement is available:
• Decreased sensitivity to DTCs P1D8A and P1D8 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. The customer may describe one or more of the following:
• Vehicle stuck in default gear, and possibly stranded for many minutes.
• Rough or bumpy 2-3 power on upshifts and/or 3-2 coast down shifts.
• Vehicle enters into limp home mode. In addition, the following software enhancement is available:
• Decreased sensitivity to DTCs P1D8A and P1D8 This bulletin involves reprogramming the TCM with the latest available software.
Códigos no documento
Descrição do fabricante
O texto varia por veículo e sufixo; não é diagnóstico universal.
Ram
P0826-00Up and Down Shift Switch CircuitRam
P0827-00Up and Down Shift Switch Circuit LowRam
P085F-00Up and Down Shift Switch Circuit Range/PerformanceConfira a aplicação ao veículo
A relação com um veículo é uma pista. Confirme motor, produção e software na documentação do fabricante.
| Marca | Modelo | Ano-modelo |
|---|---|---|
| Ram | 3500 | 2026 |