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Home >> Pontiac >> 2008 >> Torrent GXP, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 149 (Automatic Transmission - 6T70 - DTC P0218 To DTC P1686) >> DTC P0562, P0563, or P2534 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the 20-way harness connector at the transmission.
  2. Connect the DT-47825-20  to the 20-way transmission harness connector. See Special Tools .
  3. Test for less than 10 ohms between the ground circuit terminals listed below and ground.
    • Terminal 1
    • Terminal 18
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  4. Ignition ON, verify that a test lamp illuminates between the ignition circuit terminals listed below and ground.
    • Terminal 13
    • Terminal 15
    • If the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance.
  5. If all circuits test normal, replace the control solenoid (w/body and TCM) valve assembly.