Hello â€
Hey great to hear from you.
I have attached what I have.......
DTC P0600: PCM FAILURE SPI COMMUNICATIONS OR DTC P0601: INTERNAL CONTROLLER FAILURE
NOTE: For circuit identification and wiring diagram, see WIRING DIAGRAMS article. After each repair procedure has been completed, reconnect all components. Perform POWERTRAIN VERIFICATION TEST VER-1 under VERIFICATION TESTS to ensure system is functioning properly.
Monitored & Set Conditions
Communication between processors over internal BUS and internal controller operation are monitored with ignition on. DTC P0600 will set if PCM senses bus communication failure between processors. DTC P0601 will set if PCM senses internal checksum for software failed and does not match calculated value.
Possible Causes
"Â PCM Internal Or SPI
Testing
The PCM is reporting internal errors. Replace PCM. Program the new PCM. See PROGRAMMING
Have they said which solenoid is bad..... That may be related but as you see above, that is not what I am getting.......
There is a test for the PCM but you would need a scan tool. You might try looking at the wiring really good all around the PCM for chaffing, loose connections etc.
After that you may have to have it checked. If you do need one, I have attached a website that may have them at a reduced cost. I had another customer use this and they were extremely pleased.
The only other thing I can suggest is have the transmission shop check it out. Many check them out for free.......
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Tuesday, March 3rd, 2009 AT 10:01 PM