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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 (Automatic Transaxle - 4T65-E - DTC P0218 To DTC P2534) >> DTC P2534 (3.6L and 5.3L) >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the TRANS fuse. Inspect the fuse for an open.
    • If the fuse is open, test the ignition 1 voltage circuit for a short to ground.
  2. Disconnect the TCM connector. Turn ON the ignition, with the engine OFF. Using the J 35616  GM terminal test kit, measure the voltage at the ignition 1 voltage circuit. The voltage should be near battery voltage.
    • If the voltage is below the specified value, test the ignition 1 voltage circuit for an open or high resistance.
  3. If all circuits and connections test normal, replace the TCM.
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