Question about 2005 Cadillac CTS
Posted on May 25, 2011
The PCM, which should detect the wear of the clutches on the transmission and compensate accordingly by modifying the oil pressure in the transmission and the ignition on the engine, is no longer doing its job accordingly.
Either the software stored on it got corrupted and it will have to be reloaded using a GM Tech-II tool that every decent dealer repair shop should have (a very simple and fast job) or the PCM itself is defective and it will have to be replaced and reprogrammed.
Posted on May 24, 2011
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Posted on Jan 02, 2017
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