The TCM or TCU, that is, the transmission controller in the
'90-'93 Honda Accord, are prone to failure. The electrolytic capacitors leak onto the board and eat up the copper lines. These Accord TCUs are really getting tough to find in good operable condition these days.
These Accord TCUs include the follwing part numbers -
28100 PX0 series: 28100 - PX0 - 721 M1, 28100 - PX0 - 722 M1, 28100 - PX0 - 731 M1, 28100 - PX0 - 732 M1, 28100 - PX0 - 822 M1, 28100 - PX0 - 823 M1, 28100 - PX0 - 833 M1, 28100 PX0 921 M1, 28100 PX0 922 M1, 28100 PX0 931 M1, 28100 PX0 932 M1
28100 PX4 series: 28100 - PX4 - 721 M1, 28100 - PX4 - 722 M1, 28100 - PX4 - 731 M1, 28100 - PX4 - 732 M1, 28100 - PX4 - 822 M1, 28100 - PX4 - 823 M1, 28100 - PX4 - 833 M1, 28100 PX4 921 M1, 28100 PX4 922 M1, 28100 PX4 931 M1, 28100 PX4 932 M1
Repair & Return Service on these at a flat rate of $250. including return shipping We usually only keep it one or two business days, depending on time of arrival and the amount of time and attention any particular TCU is going to require. The damage on these can vary quite a bit, so it's all about what we have to work with when we open it up.
To purchase a remanufactured Accord TCU from our inventory,
call us with the part number you need.
Call us with your part #s 800 241 6689 or text 903 216 6456
Click here for Honda Accord Wagon TCMs
Transmission computers, TCMs or TCUs for early '90s Accord.
Below is a severe example of what often happens to your Accord TCM -transmission computer. Sometimes the capacitors will simply corrode and destroy the printed copper traces on the circiut board without the resistors or capacitors catching the TCU on fire.
Symptoms will vary depending on how the failure is taking place, or where the corrosion is settling in. Trouble shifting, S or D light issues and high gear only(fail safe mode) are good indicators that something is happening with the TCM. It is common, it is a given at some point for every Accord
We charge $35. for inspection plus return shipping cost
(but only if there is no sale or repair,)
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