Speedometer does not work, but odometer works all the time.
It seems most meters works on sunny days or dry days. When the weather is changing to bad, meters often fail to work. Speed meter stays at zero, and engine tempeter meter stays at (zero) leftmost.
Exceptions are that sometimes in summer the meters work fine even in heavy rain. Another exception is that the odometer never fails to work.
I guess the humidity might be the reason of the failure, not so sure.
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If the speedometer stops working the odometer stops also. Sounds like it is stuck in first gear. The RPM went up because the throttle was response to pedal but transmission not response. Check transmission fluid color. Whip off dipstick on a white paper towel look for gray if see any that is metal shavings and transmission is bad.
I don't know what type of vehicle you have but usually when both the odometer and speedometer don't work, you need a new speedometer cable. My husband replaced the one on his 97 Tracker and it worked for 2 weeks and quit again. He just drives with the flow of traffic and in order to pass inspection he has to get a DMV Waiver every single year. He will never be able to sell it because he has no idea what the actual mileage on it is. He just drives it in bad weather and stuff since it has 4WD. I don't think the speedometer cable is very expensive. Good luck.
I am no Honda expert, but a similar problem happened to my ex sister in-laws Ford Taurus. The speed odometer would jump around and it had trouble shifting (automatic transmission). After driving it I changed out the speed odometer sensor on the transmission and it's been fine ever since. I changed out the sensor because if the cars computer cannot tell how fast the car is traveling then fail safes in place go into effect and the computer will do it's best to keep the cars rpm's down based on the speed indicator and not let it shift or shift properly either. If it's getting false speeds then it will shut down the motor when the speed gets to high and allow it to run as the speeds fall (jumping speed odometer needle). It effects the transmission shift points also. It will either shift erratically or not shift out of say 2nd gear, so that the cars engine can't get damaged based on what signal the speed sensor is sending the computer.
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.
this sounds like a bad speedometer cluster, you stated everything else works so i assume the speedometer is working and just the odometer and trip stopped working and so the speedometer will need replacing. good day.
Usually it's the opposite. The speedometer works and the odomater and trip meter go inop. Most likely the speedometer assembly is bad. If the odometer is working you have a signal from the gray and black wire .