Cavalier Starting in the 1980s. the Cavalier made a name for itself by offering an affordable 2 and 4 door compact.
Platform: J-body

OBD2 Codes

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Old Jul 9, 2012 | 8:38 PM
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Brad B's Avatar
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From: Manitoba, Canada
Default OBD2 Codes

Hello all. First time user here. I had to change the ECU in my 98 cav and now I have codes coming up that weren't there before. P0753 and P0758 that are "shift solenoid circuit A&B". P1810 TFP Valve Position Switch Circuit and P1860 TCC PWM Solenoid Circuit Electrical. My understanding is that these are all tranny codes.
I would like some guidance on repairing these please.
UPDATE***
Automatic transmission is acting funny, no problems shifting up, but doesn't always want to shift down properly.

Last edited by Brad B; Jul 11, 2012 at 12:55 PM. Reason: New information
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