Got a 2003 dodge grand caravan, an the speedometer doesn't read correctly, like I will be traveling 70 mph, and speedometer reads 35~40 mph,changed transmission in and out speed sensors, and recalibrated. It with odometer button stayed the same.

SOURCE: 2002 DODGE GRAND CARAVAN STUCK IN 2ND/3RD, NO SPEEDOMETER...

the tcm is located in the fender well behind the bumper drivers side black box check the wiring for bad cannection,

let us know what you find there are thousands of us with the same problem

dan

SOURCE: speed sensor replacement issues in 1999 Dodge Grand Caravan

The buzzing sound is from the torque convertor lock up solenoid,there is a fuse for this under the hood to verify thats the problem from the buzzing,next where did you get the vss,if it's not oem from a dealer than I would think it's the problem also using a obii scan tool check and clear any codes,so as far as not starting is this from a dead battery or other issue I would unhook the vss and see if it can start.

Mike Butler

• 6674 Answers
• Posted on Jan 22, 2009

SOURCE: Speedometer error on 1993 Plymouth Voyager with 3.3L V6

Have you called transmission place? Did they also install it? Ask them if they changed speedometer adapter, and mention the difference in speed.