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P0563: Battery voltage high. Check alternator operation. Probable cause: Bad PCM
P0846: 2/4 pressure switch sense circuit. Check circuit from TCM harness to Transmission Solenoid/Pressure Switch Assembly harness connector. See P1775 for possible cause.
P1775: Solenoid switch valve latched in TCC position. Very similar to P0846. Probable cause: Bad Solenoid/Pressure Switch Assembly
P2074: Manifold pressure/Throttle position correlation high flow/vacuum leak. Probable cause: Vacuum leak
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Wednesday, May 20th, 2009 AT 1:03 AM