I had my engine shampooed and I immediately found that windows, speedometer, fog lights and cruise control were dead. THe next day (I suppose whe it dried out) everything came back except the speedometer, the cruise control and a few functions in the on-board computer (fuel efficiency gauge) Could this be a fuse? What can I expect to pay to have this fixed?
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Re: Speedometer and Cruise control dont work
It sounds like the computer system is still wet. I would wait a few more days before I panic and hope that it drys out. I don't think it's a fuse.
If you have to have the onboard computer replaced, it can run a couple of hundred dollars.
If you have the engine cleaned again, make sure that the electrical systems are protected well otherwise getting them wet will repeat your problems.
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Depending on which end needs to be reattached, At the Speedometer Head or at the Transfer Case, or at the Cruise Control Module (if equipped with Cruise Control).
At the Transfer Case : Underneath the truck, on the left side of the transfer case, near the tail housing/rear of the transfer case (if it's a NP203 or NP205), there should be a small rectangular box threaded onto the transfer case, the other end (facing away from the transfer case) has a threaded end on it where you'll thread the end of the speedometer cable on.
At the Speedometer : Behind the instrument cluster, protruding from the back of the speedometer, is a round male port that the speedometer cable snaps onto. You just push it onto the back of the speedometer and it locks into place. Some cables have a metal end for the Speedometer end, some have a plastic end. The ones with the plastic end will sometimes break and won't stay locked in place at the speedometer.
If it's equipped with Cruise Control, you'll have 2 Speedometer Cables, an Upper Cable (From the Cruise Control Module to the Speedometer) and a Lower Cable (from the Transfer Case to the Cruise Control Module.) Both ends of the Lower Cable have Female Threaded ends (one to thread onto the box on the side of the transfer case, one to thread onto the Cruise Control). The Upper Cable has one threaded end and one Clip On/Press On end. Reconnecting the cable is the same as the methods I mentioned above, but with 2 additional threaded connections on to the Cruise Control Module (which is usually found on the Fenderwell in the engine compartment)
cruise control have there own fuse check that ,make sure it is still hooked up to throttle ,check vacuum lines and power plugs , your speedo has nothing to do with cruise,also check that it is activated,test horn ,YES horn and cruise use same relay ,make sure your brake pedal is retracted ,and that brake lights work as well, good luck with it if I can be of further help get back to me ,hope I helped you.
You could have a faulty speedometer/odometer combination meter causing a false Vehicle Speed Sensor error.
My 1998 Sienna had the following symptoms:
- Speedometer and odometer failed intermittently
- The check engine light would come on and I would get a p0500 code in the OBDII.
- The cruise control would stop working at the same time the speedometer failed.
There is a speed sensor in each one of the tires and they feed the speed information to the ABS ECU. From the ABS ECU the speed signal goes to the speedometer/odometer combination meter, and from there it goes to the Engine Control Module and to the Cruise Control ECU. I could see a signal coming into the speedometer/odometer, but no signal going out. Replacing the speedometer/odometer combination meter fixed the problem.
No speedometer or cruise control and a check engine light all point to the VSS(vehicle speed sensor) on the transmission.Take it to a parts store that does free code scans(like Auto Zone) to verify the code(should be P0500-P0503).Or,take a chance and just change the sensor.
The speedometer is electronic and controlled by a micro processor, the needle is operated by a special DC electric motor called a "stepper" motor, this little motor can cause this problem as well as the Vehicle speed sensor on the transmission (see photo below), either part can cause the problem, the cruise not working would lead me to believe the speed sensor is defective, but you should have a Check Engine light on and a fault code for the sensor, do you have either? Autozone and others do the fault code test for free, ask for an OBD2 fault test. Here is the picture of the sensor I mentioned.