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Home >> Oldsmobile >> 1994 >> Bravada >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Electronic Transmission >> Trouble Code Charts >> Code 67, TCC Solenoid Circuit Check >> Notes

Code 67, TCC Solenoid Circuit Check: Notes

The TCC solenoid is a normally open exhaust valve. The PCM will engage the solenoid by grounding circuit with an internal quad-driver.

NOTE: Test numbers refer to numbers on diagnostic chart.
  1. This test checks the ability of PCM to control solenoid.
  2. This test checks for power, from the ignition through the fuse, to the TCC solenoid.
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