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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Automatic Transmission - 6T40 - DTC P0973 To DTC P2764 And Troubleshooting Procedures) >> Diagnostic Information and Procedures >> Control Solenoid Valve and Transmission Control Module Assembly Inspection

Control Solenoid Valve and Transmission Control Module Assembly Inspection

WARNING: This page is about a different variant/trim than selected.
Fig 1: View Of Control Solenoid Valve & Transmission Control Module Assembly
GM1880311Courtesy of GENERAL MOTORS COMPANY
  1. Verify the conditions listed below do not exist. Carefully inspect the control solenoid valve assembly connectors and pins (1, 2, 4, 6) for the condition. Repair or replace as necessary.
    • Damage
    • Bent pins
    • Debris
    • Broken retaining tab
    • Contamination
  2. Verify there is no metallic debris inside the connectors near the terminal pins. Clean as necessary.
  3. Verify the control solenoid valve assembly solenoid leads (3) do not have contamination or metallic debris. Clean as necessary.
  4. Verify the resistance between the leads of each solenoid valve is within the range in the table below, with the solenoid valves at room temperature. If the resistance of any solenoid valve is not within range, replace the Control Valve Body Assembly.
  5. Inspect the 2 control solenoid valve assembly filter plate retaining tabs (5) for cracks and ensure proper tension when filter plate is attached.
NOTE:

The connector on the TCC pressure control solenoid valve (8) will be either clear/transparent or yellow. The clear/transparent connector will have a color contrast when compared to the connectors on pressure control solenoid valve 2 (11) and pressure control solenoid Valve 4 (12).

Solenoid Resistance

Solenoid Name Illustration Number Expected ResistanceΩ
Pressure Control Solenoid Valve 3 7 4.55-5.75
Pressure Control Solenoid Valve 5 8 4.55-5.75
TCC Pressure Control Solenoid Valve 9 3.42-4.18 Clear/transparent Connector
4.55-5.75 Yellow Connector
Shift Solenoid Valve 1 10 16.2-19.8
Pressure Control Solenoid Valve 2 11 4.55-5.75
Pressure Control Solenoid Valve 4 12 4.55-5.75
Line Pressure Control Solenoid Valve 13 4.55-5.75