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Home >> Buick >> 1995 >> Roadmaster Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 5.7L >> ECM/Pcm Code Charts >> Code 90, TCC Solenoid Circuit >> Notes

Code 90, TCC Solenoid Circuit: Notes

NOTE: Test numbers refer to numbers on diagnostic chart.
  1. Checks for a shorted internal transmission harness or TCC solenoid.
  2. Checks power supply to TCC solenoid.
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