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Re: CHeck Engine Light / odometer goes haywire
This is most likely due to the Vehicle Speed Sensor malfunctioning, this will set the check engine light and cause the Odometer issue as well, have a system computer test run to see what trouble code is stored in memory, that will pin it down.
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I found this under Fixya; 2006 Subaru Outback; there were 25 answers: The problem is not with an emission issue as you would expect with a check engine light. The ER 55 code on the odometer means that there is a loss of communication with the ECU, that is why the check engine light is on and cruise light flashing. for what ever reason whenever your check engine light comes on the cruise becomes disabled. Lame I know. I work in the service department and have seen this issue a lot. The only real way to fix this issue is to go the dealer and have them do a reflash for your vehicle. If the ECU is bad it is covered under the federal emmission wrty for 8 years or 80,000 miles
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.
The code is saying something is wrong with the instrument cluster possibly the PCM because the PCM sends a vehicle speed signal to the cluster to "roll" the odometer. If the signal goes a few seconds without being received the instrument panel goes a little haywire.
So you need to pull the cluster forward and clean the connectors and check real good for corrosion etc. Plug the cluster back in and run a code test again.
If the same code pulls then replacing the instrument panel is recommended. If this does not fix the replacement of the PCM may be needed.
You can also go and have the car scanned with an actual Ford scan tool and this may be able to better pin point on weather the PCM or cluster is at fault. This scan would not be a free one at your local auto parts store. This would have to be done at a shop.
If you have any comments please feel free to leave them here.
if check engine light keeps coming on. there is a problem. you can go to most any auto parts store and have the problem codes read for free. as long as the check engine light stays on to read codes. have a good day !
Take the truck to a place like Autozone to have them read the code the engine light is producing. Usually done for free. At this point, we can help narrow it down with the codes. As for the gauges going haywire, TB's have a problem with te stepper motors on the back of the instrument cluster, these little inexpensive motors, may need to be replaced. OR you could have a problem with your ignition switch.
i would go to a dealer and get a gmc key the crazy car people put so called chips in keys, not really, it was just an insulated piece of metal to make contact between two wires in the ign switch, and then they used magnents in the keys with big black plastic ends, a joke really just harder for us and more money for them because that dealer key will cost you one of your arms
the check engine light is probably related to the abs light. have the car scanned to find out wich sensor is bad. it's probably one of the front wheel speed sensors going bad or the abs module is going bad