RAM
21-045-25
Comunicaciones del fabricante
- Fecha de publicación
- 2025-11-08
- Recibido por NHTSA
- 2025-11-13
- Números de registro NHTSA
- 11025503
Resumen del fabricante
Texto original en inglés
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 en el documento
Descripción del fabricante
El texto puede variar por vehículo y sufijo; no es un 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/PerformanceComprueba la compatibilidad
La relación con un vehículo es una pista. Confirma motor, producción y software en la documentación del fabricante.