Transmission problems7/5/2023 ![]() In order to fiddle with, repair, or replace the VSS, the transmission will need to be completely removed. On-board diagnostics (OBD) may provide some light on this without having to take the transmission apart. If you have no reading from the speedo and the transmission won’t come out of 1st, the most likely problem is the vehicle speed sensor ( VSS). 4L60E Won’t Come Out Of 1st Gear And Speedometer Has No Reading If not, it’s best to just drop it down to your mechanic at this point. If you have a specialist car diagnostic tool, such as a pressure gauge and OBD equipment, you can check this yourself. There could be a leak in the second gear apply circuit. If that doesn’t work, the problem is likely somewhere inside the 4L60E transmission. ![]() However, you can expect to pay anything between $3 and $300 for a new TPS (throttle position sensor), so watch out for that. This is probably more worth it if the OEM part you buy is less than $20 or $30, as it will probably cost you more than that just to get the car checked. ![]() That is unless you know your way around an automatic transmission very well.Īlternatively, you could just throw caution to the wind and change the throttle (or accelerator pedal) position sensor before getting it checked. If you do experience transmission slipping problems with your 4L60E, and it’s not down to transmission fluid, then it’s time to visit the local mechanic.
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