RAM
21-045-25
Communications du constructeur
- Date de publication
- 2025-11-08
- Reçu par la NHTSA
- 2025-11-13
- Identifiants NHTSA
- 11025503
Résumé du constructeur
Texte original en anglais
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.
Codes dans le document
Libellé du constructeur
Le libellé varie selon véhicule et suffixe ; ce n’est pas un diagnostic universel.
Ram
P0826-00Up and Down Shift Switch CircuitRam
P0827-00Up and Down Shift Switch Circuit LowRam
P085F-00Up and Down Shift Switch Circuit Range/PerformanceVérifier les véhicules concernés
Un véhicule répertorié est une piste. Vérifiez moteur, période de production et logiciel dans les informations du constructeur.