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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 21 (Automatic Transmission - 4T65-E - DTC PO218 Through DTC P2534) >> DTC P2534 >> Component Testing

Component Testing

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Verify that there is near battery voltage on the ignition 1 voltage circuit at the TCM.

If the voltage is not near the specified value, repair the short to ground, open, or high resistance in the ignition 1 voltage circuit.