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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Automatic Transmission - 2ML70 - DTC P0218 To DTC P0967) >> DTC P079A >> Component Testing

Component Testing

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  1. Perform the Line Pressure Check .
  2. Perform the Control Solenoid Valve and Transmission Control Module Assembly Solenoid Performance Test .
    • If a concern is found, replace the control solenoid (w/body and TCM) valve assembly.
  3. Inspect the trans fluid pump ball check valve for possible sticking or damage.
    • If you found a concern with this check ball, repair the concern.
  4. Inspect the hybrid low, 1-2 clutch regulator valve for sticking or damage.
    • If you found a concern with the hybrid low, 1-2 clutch regulator valve, repair or replace the valve or valve body.
  5. Inspect the hybrid low, 1-2 clutch assembly for wear or damage.
    • If you found a hybrid low, 1-2 clutch assembly concern, repair or replace the low and reverse clutch assembly as necessary.
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