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shift interlock problem

Discussion in 'General Tech and Maintenance' started by el902276, Jul 7, 2009.

  1. el902276

    el902276 New Member

    Likes Received:
    Jul 4, 2009
    I have a 2005 Accord EX 4cyl and am having a problem with the shift interlock system. The shifter is stuck in park, I must use the shift release to shift out of park.

    I have already checked the brake switch and it is good.

    I checked the shift release solenoid at the gear shift and it is good.

    I thought the problem might be the throttle position sensor. I tested the output voltage of the tps and it is 0.5 volts closed and ~4.5 volts at WOT which I believe is the correct reading.

    Now the strange thing is that if I unplug the throttle position sensor, the shift lock release works fine. As soon as I plug the tps in again, the shifter doesn't release again. Can anyone help? Thanks!
  2. awptickes

    awptickes unimpressed by you VIP

    Likes Received:
    Aug 29, 2007
    If memory serves, there is a switch and a lock in the key cylinder too, check that and make sure it works properly.
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