Van in limp mode

2001 DODGE CARAVAN
130,000 MILES • 3.3L • 6 CYL • FWD • AUTOMATIC
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D.J. MOSHER
  • MEMBER
  • 1 POST
I read these post and some helped, but mine seems to work perfect when it is rainy and damp. It shifts all gears gas gauge speedometer and odometer work . However, when dry none of those work. the fuel gauge will dump and say its one but will fix itself I replaced both speed sensor tested a million wires. I just did not get any it shifts when rainy and damp. I will get the codes for it tomorrow one is TCM, I know it codes speed sensor. Thanks in advance.
Sep 22, 2017 at 6:02 PM
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STEVE W.
  • ✓Experienced Mechanic
  • 15,365 POSTS
It sounds like bad wiring, either a bad connector or a bad ground. When it is dry it does not connect but once it gets damp the connection works and everything works.

Not going to be real easy to find but you could start by taking a spray bottle and spraying one area of connections at a time until it suddenly works. I would start at the transmission and its connections and grounds as that seems to be the center of the issue.
Sep 22, 2017 at 10:15 PM
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