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maryk2121
New User
Dec 22, 2009, 11:27 AM
Post #1 of 2
(1996 views)
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2003 Honda V6 & PCM
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I have a 2003 Honda Accord V6 with 134,200 miles. TCS light came on & car would
not shift gears. Brought it to Honda dealership & diagnosed with multiple
trouble codes P0700 & P0721. Traced problem to failed countershaft speed
sensor. Replaced countershaft speed sensor for transmission & cleared trouble
codes.
Drove the car for a total of 50 miles & car would not shift gears. Engine light
came on. I was told that I need a new PCM.
Since I now need a new PCM, do you think I also needed a new countershaft
sensor?
I appreciate your assistance with this.
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steve01832
Veteran
Dec 22, 2009, 7:44 PM
Post #2 of 2
(1990 views)
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Re: 2003 Honda V6 & PCM
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You may want a second opinion from a reputable repair shop, or even a trans. shop. In 21 years of fixing cars I never have had to replace a computer on a Honda. I'm not saying this isn't the problem, but the PCM failure rate on Hondas is extremely low.
This could be a bad sensor, or even faulty wiring. This is where the second opinion is needed.
Steve
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