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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Automatic Transmission - 6L80E) >> Diagnostic Information and Procedures >> DTC P0741 or P0742 >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
  1. Perform the Control Solenoid Valve and Transmission Control Module Assembly Cleaning  in an attempt to clean or free up a potential sticking valve of dirt or debris.
  2. Perform the Control Solenoid Valve and Transmission Control Module Assembly Solenoid Performance Test  to test for a stuck open or stuck closed TCC PC solenoid valve inside of the control solenoid (w/body and TCM) valve assembly.
    • If a stuck open or closed valve is found, replace the control solenoid (w/body and TCM) valve assembly.
  3. Inspect the lower control valve body for a stuck valve, debris or damage.
    • If you found a valve body concern, repair or replace the lower control valve body as necessary.
  4. Inspect the TCC control valve in the pump.
    • If you found a TCC control valve concern, repair or replace the TCC control valve or pump as necessary.
  5. Inspect the torque converter assembly for damage or discoloration.
    • If you found a torque converter assembly concern, replace the torque converter assembly as necessary.
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