Tranny problems/codes

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rjscott4001@gmail.com - 05 May 2007 07:58 GMT

Hi, driving a 1990 Accord EX with A/T and 243,000 miles. An
intermittent problem has developed where the 'S' indicator light will
flash and first gear seems to be gone. If I give it gas it will slowly
move and then pick up 2nd gear and shift normally until I come to a
stop. Normally, when I turn the car off it resets and shifts fine
again.

Another problem is every now and then it sticks in park and I have to
use the shift lock release to get it into neutral in order to drive
it.

I pulled the TCU codes and came up with 1, 2, 7, and 8. These relate
to the lock-up control solenoid and the shift control solenoid. Any
chance this is accurate and they are both on the fritz? Any chance of
it being the VSS, which seems to be a major problem for eary 90's
Accords? I should mention that at no point does my speedometer quit
working.

Any suggestions appreciated.
Thanks,
RJ

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Charles - 06 May 2007 02:50 GMT

> Hi, driving a 1990 Accord EX with A/T and 243,000 miles. An
> intermittent problem has developed where the 'S' indicator light will
> flash and first gear seems to be gone.

> I pulled the TCU codes and came up with 1, 2, 7, and 8. These relate
> to the lock-up control solenoid and the shift control solenoid. Any
> chance this is accurate and they are both on the fritz?

It's highly unlikely.

Pull the fuse to clear the code. From an old Honda Service News: If the problem
code 1, 2, 7 or 8 sets as soon as the engine is started, the indicated circuit
is either open or shorted to power. If the code sets after selecting a gear or
while driving, the circuit is shorted to ground. I saw this in my Prelude. I
had a contaminated lockup solenoid connector.

If you're seeing ALL four of those codes, look for something intermittent in the
power to the computer.

Signature

Chuck

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Mr Mack - 06 May 2007 10:16 GMT

I'm having a similar problem.. How do you pull the TCU codes?

Signature

Mr Mack

http://www.automotiveforums.com

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Charles - 07 May 2007 00:45 GMT

> I'm having a similar problem.. How do you pull the TCU codes?

I'll tell you how I do it for my 1988 Prelude. Your procedure may vary, though.

Find the transmission control module. It's under the passenger's left foot.
There's a little flap of carpet under the dash which you can peel back to see
the fault indicator for the _engine_ computer. For the corresponding indicator
on the _transmission_ computer you'll have to pull the carpet to the left of
that flap back.

Turn the ignition on. (Starting the engine is optional.) Watch for a flashing
LED on the side of the TCU. Count the flashes, if any.

Signature

Chuck

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motsco_ - 07 May 2007 04:38 GMT

> Hi, driving a 1990 Accord EX with A/T and 243,000 miles. An
> intermittent problem has developed where the 'S' indicator light will
[quoted text clipped - 17 lines]
> Thanks,
> RJ

----------------------------

How many times have you changed the tranny fluid, and with what? There
are a few TSB's about the adjustment of the shifter cable that will
solve your other problem:
http://www.tegger.com/hondafaq/tsb/civic/index.html

Almost every honda has the same adjustment.

'Curly'

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