Question about 1999 Honda Accord
Posted by Anonymous on
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Posted on Jan 02, 2017
It's under the carpet on the passenger's side floor board. There's two boxes under the access panel, I think the TCM is the one on the right? If your's is broken there are probably a couple of capacitors and a resistor that are fried and need to be replaced.
Posted on Oct 21, 2008
SOURCE: 92 honda accord lx
okay everybody...i did it myself....replaced the main relay and the TCU box..but i didnt use another OKI manufactured TCU..i bought the Denshigiken manufactured one....(this was a 2nd manufacturing of the TCU)....when it first arrived today i opened the module up to check the resistors and capacitors...and noticed the completely different configuration and parts inside...this worried me..but i hooked it up anyways...to my amazement all problems vanished ..and everything works now..(cruise control, shift interlock, D4 light, tranny shift, brake light, intermittent no start, everything that was wrong..must have ran through this stupid little resistor) ......i solved his problem for less than $100.00..and less than an hours work....i can get more of these Main relays and TCUs if someone needs or needs help locating and removing/installing new pieces...email me at email@example.com or call me @816-286-8851..ill be glad to help
Main relay ........$10.00..
10mm deepwell ...$4.00
Posted on Nov 09, 2008
SOURCE: 92 honda accord lx D4 flashes
you have a transmission fault the D4 light blinks to tell you that there is a transmission problem when the light is blinking the transmission computer put the transmission into limp home mode so it will not shift normally and you should try not to drive it very far when it gets to this stage you need to have the transmission codes check to pin point the problem
Posted on May 29, 2009
You more than likely have a problem with the TCU (transmission control unit). It may also be other things. You need to seek professional help before spending money on a TCU that may or may not be the problem. It takes an expert to diagnose this problem.
Posted on Oct 03, 2009
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