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Old 06-07-2012, 02:44 PM
2drtahoe4x4 2drtahoe4x4 is offline
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p1860 tcc pwm solenoid electrical fault

Have a 97 tahoe with a 4l60e transmission with less then 10,000 miles on it. It was a reman from GM. Only code I'm getting is the p1860 one. It sets with in a few seconds of being cleared no driving needed. Driving me nuts trying to figure out what it is. Dropped the pan and tested the tcc solenoid. It did seem to be stuck closed at first so I thought that was the problem. Reinstalled it and same code all over again. Any trouble shooting list or ideas would be greatly appreciated. Thanks in advance,
Matt
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