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1991 Other Honda Models d4 light stays on all the time and

JIMMY.WORLEY

MEMBER
1991 HONDA

Transmission problem
1991 Other Honda Models 4 cyl Front Wheel Drive Automatic

my wife has a 91 honda accord and the d4 light stays on and she hasto manually shift and it dosent go in to low gear. Sorry I dont have any money now I will next 3rd. It would be a blessing if u could just tell me if it may be a sencor or mod. Wishfull thinking rite

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Friday, August 13th, 2010 AT 11:36 PM

1 Reply

KHLOW2008

MECHANIC
41,814 POSTS

Hi jimmy.worley,

It could be a sensor or the Transmission Control Module is bad.

Try to see if you can retrieve any trouble codes.

Use a paper clip to bridge the SCS and turn ignition on. If the D4 light starts to blink, count the blinks, delayed flashes = 10 and fast ones = 1.

The codes would repeat in cycles till the ignition is turned off or paper clip is removed.

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Saturday, August 14th, 2010 AT 8:28 AM