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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 P0667, P0668, or P0669 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.
  1. Clear the DTC and operate the vehicle under the condition for running and setting the DTC.
  2. Verify that the DTC does not reset.
    • If the DTC resets, replace the control solenoid (w/body and TCM) valve assembly.