The TCM part number determines whether the vehicle needs to be programmed when replacing a transmission or valve body. To check your TCM part number, use a level-3 scan tool to look up ECU Information and under Transmission. The TCM part number should start with 31036-XXXXX and the 5 characters following the hyphen indicate the…Read more
CVT Cooler Overview The CVT oil warmer/cooler has two closed loops to exchange heat between the CVT and the engine. After starting the vehicle, the engine helps warm the CVT fluid to operating temperature. During extended operation, the exchange provides a cooling effect as heat from the CVT is exchanged into the engine coolant. To…Read more
When installing a new CVT8 transmission or valve body the vehicle sometimes returns a persistent DTC P17F0 or P17F1. This DTCs will trigger the check engine light and cannot be cleared with a scan tool. CVT8 transmissions and valve bodies come with a calibration CD when purchased new from Nissan. This CD contains programming that normalizes the…Read more
Many times, people experience issues with their car transmission, but they may not pay attention to it, as they are unsure or unaware of it. Yet in the opinion of experts, it will be best to address the problems with transmission early on, so that you can avoid transmission failure and bigger issues along the…Read more
Transmission speed sensors in your vehicle are mainly used for the calculation of actual gear ratio of the transmission when it is in use. There are typically two speed sensors in a transmission, commonly known as input shaft speed (ISS) sensor and output shaft speed (OSS) sensor. Both of these speed sensors work in conjunction…Read more
Transmission Electro-Hydraulic Control Module (TEHCM) is the unit that combines functions of transmission control module, pressure and temperature switches, and valve body solenoids into a single unit. Every year, more and more manufacturers are making use of the TEHCM technology to consolidate various functions and to incorporate a single unit into the transmission as opposed…Read more
Repairing transmissions that are in need of a complete rebuild can be quite costly. In most cases, customers with a failed automatic transmission end up paying a lot more money for repairs that they don’t understand very well. If the automatic transmission of your vehicle is not working properly, then it is best to look…Read more
A few decades ago, most cars on the road had three pedals, and the process of learning how to operate a clutch was a daunting task for some drivers. However, plenty of different varieties of gearbox arrangements can be seen today and all of them have their own pros and cons. The functions of all…Read more
A car’s transmission is a very complex and essential component that is responsible for shifting gears, both in manual and automatic transmission. The transmission will help to dynamically change the speed-torque ratio of the vehicle to offer power to the wheels efficiently, based on the speed of the vehicle. Car engines offer high rotational speeds…Read more
