Have a 2000 olds Bravada and runs good 4x4 not working but when driving reg speeds of 40-55 the rpm gage jumps from 1500 to 2000 back and forth shifting in and out of gear get it to 60 push cruise and dont do it but just using the gas pedal bounces the rpm

SOURCE: 1995 jeep laredo overdrive is not shifting

Your overdrive should kick in at about 45mph, pretty much at or about 2000rpm. To see if it engaged, lightly touch the brake pedal and it will disengage.It should also disengage when you mash the pedal down to go into passing gear, and re-engage when conditions "normalize" again. You can tell that it has engaged because the tach will drop a few hundred rpms. If it's not doing this, a simple trans oil change (with filter) may correct the problem. OD is activated by a shift solenoid on the valve body that may be a bit gummed up.
95's show a shift control module on some diagrams I've seen, but not on others. I read this as a possible "half-year change" So you may or not have one. If you do, I'd check that as well!

SOURCE: My grand prix, shifting problem.

sounds like you need to check your throtle position sensor first. that will cause this problem.you can go to autozone they cancheck it with a scanner. hope this helps you out . Phil

SOURCE: 1999 Dodge Ram 1500 2WD won't shift properly

Sounds like the speed sensor on the rear axle.

Joe Lamb

• 463 Answers
• Posted on Mar 31, 2009

SOURCE: 99 dodge ram 1500 4x4 5.9l tranny problems

Take a look at the down shift cable and make sure its not broken especially were it connects to the throttle linkage.And maybe try cleaning the electrical plug that plugs into the trans.Its about a 7 to 9 wire plug.They tend to collect water and short the wiring out.

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SOURCE: My cruise control is not working, no lights come

If the CHML ( Center High Mount Stop Lamp ) is working correctly, the next thing to check is the Cruise Control Deactivation switch on the brake pedal.


This is different than the Brake Pedal Position ( BPP ) Switch which is for the stop lamps, and the shift interlock.

The Cruise Control deactivation switch, and the on / set switch are the only external inputs to the Cruise Control, the PCM uses the VSS ( Vehicle Speed Sensor ) to read, set and adjust the speed ( no more vacuum items on the 04+ MY trucks )