1996 and later Explorers use an electronic speedometer which is operated by a vehicle speed sensor (VSS) The powertrain control module also uses the vehicle speed sensor input signal for several different engine and transmission control functions.
Possible speed sensor issue. Have it checked for trouble codes to know what to diagnose.
Nope, bet it was the other way around... Your speedometer stopped working and your check engine light came on. A broken speedometer (don't know what car so I can't pinpoint it) will cause a whole bunch of codes.
check your speedometer sensor located back left of engine bay on top of the transmission
the speedometer on my 97 toyota camary stopped working and the check engine light came on why
There are several possibilities why the speedometer is not working. The VSS, vehicle speed sensor may have failed or become unplugged. The speedometer may have failed, or the ECM, engine control module, may have failed or there could also be wiring issues.
I think you need a speed sensor
The check engine light only comes on for something that affects emissions
2002 Tahoe speedometer quit working and trans will not shift, ABS light on. NEW ANSWER: You need to have the engine and transmission scanned with an OBDII engine scanner so you can find out what speed sensor has gone bad / quite working.
Check VSS(vehicle speed sensor).Erratic communicating signals back and forth w/ the PCM can cause improper shift points,plus the inoperable speedometer points at that direction.
You need to have it checked for codes to know what to diagnose.
Bad speed sensor.
maybe your speed sensor is bad you will get a check engine light on the dashboard too.