Question about 2002 Chevrolet Cavalier Coupe

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Fault codes 2002 chevy caralier has codes 753,758,1860 toubleshooting the problem

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  • alexenrique7 May 08, 2009

    Is it possible to retrieve fault codes from the computer if it has short circuit?? I have the fault codes P1860 A TCC PWM SOLENOID CIRCUIT, P0758 A 2-3 SHIFT SOLENOID CIRCUIT AND P0753 B 1-2 SHIFT SOLENOID CIRCUIT. The technician said that he also found a short circuit on the commputer, that´s why I wonder if it´s possible to retrieve the codes.



    I´ll appreciate any advise you can give.

    Thanks

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  • Chevrolet Master
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DTC P1860 is set if PCM detects a continuous open or short to ground in the TCC PWM solenoid circuit.

If your inclinded to attempt to fix this yourself, I have some trouble shooting proceedures that you can use. They are very involved, and could require the trans oil pan to be removed to get access to the solenoid.

If your not up to that, take it in to get it fixed.

TCC PMW solenoid is used to control fluid flow acting on the converter clutch valve.
The Solenoid controls TCC apply and release.
The Solenoid is attached to the transmission valve body. To get to it you have to remove the tranmission oil pan. Changing it should be no problem.
But do you need to replace it? To determine that you have to figure out if it is the wiring that goes to the solenoid or if the solenoid itself is shot.


The PCM uses the TCC/PWM solenoid to control when the torque converter clutch applies and how soft or harsh the TCC apply feels to the customer. The TCC/PWM also controls the release feel of the torque converter clutch. "


Ignition voltage is supplied directly to the solenoid through a fused circuit. The Powertrain control module commands solenoid on or off by applying or removing the ground.


P0753 Shift Solenoid A Electrical P0758 Shift Solenoid B Electrical
Good luck and hope this helps

Posted on Apr 20, 2009

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