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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 >> Control Solenoid Valve and Transmission Control Module Assembly Cleaning

Control Solenoid Valve and Transmission Control Module Assembly Cleaning

WARNING: This page is about a different variant/trim than selected.

The control solenoid (w/body and TCM) valve assembly cleaning procedure is a specific software based routine, which resides in the TCM. This procedure is activated by the scan tool and is used to cycle the solenoids and valves in the control solenoid valve assembly in an attempt to dislodge debris and free up the valves after a performance diagnostic trouble code (DTC) has set. When the cleaning procedure is completed, the DTC enable criteria is run again, and retested to see if the DTC concern has been corrected.

  1. Operate the transmission to achieve 70°-90°C (158°-194°F).
  2. With a scan tool, select the Service Cleaning Procedure. Initiate the cleaning procedure.
  3. When the cleaning procedure is completed, shut OFF the ignition for 30 seconds.
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