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2004 Hyundai Accent Question: transmission

 

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MiaB, 1.6L 4 Cylinder, Miami, FL, January 16, 2011, 17:29
 Rookie

the check engine light went on; went to the auto parts store for a check engine diagnosis, was told that there was a speed sensor issue and multiple misfirings which could be the spark plugs or the cables. Replaced the spark plugs. now the car will not drive in reverse nor shift gears going forward. Does this mean I need a new transmission?

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  • Answer #1

    tuneupowner from Tune Up Plus, January 16, 2011, 18:07
     Technician

    just from what i read, it sounds as if your wheel speed sensor issue may in fact be a vss. or vehicle speed sensor, as it is called will give you a code such as this. it also controls the shifting of the transmission. have this verified at your trusted repair facility to avoid just throwing a part at the car!
    hope this helps!

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    Visitor, January 16, 2011, 18:18

    if the speed sensor is repaired could that avoid having to replace the transmission?

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  • Answer #2

    DaveJHM January 16, 2011, 21:23
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     Master

    Time out -
    Please have a diagnosis performed by a professional. Not an auto parts store. They can't do it there. They can pull codes, but can't tell you what they mean for real and why they came up.

    I can tell you that some Hyundais have OSS and ISS issues (that is output shaft and input shaft speed sensors). If the sensors are failed, it will pass faulty information to the processor about how fast the shafts are spinning. This will affect transmission operation.

    Have a good diagnosis performed soon. Good luck.

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