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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 2003 (Hybrid/EV Control System) >> Diagnostic Information and Procedures >> DTC P2534 >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the T6 drive motor generator power inverter module connector X1.
  2. Ignition ON, measure the voltage on the ignition 1 circuit, between connector X1 terminal 20 and ground. The voltage should be within 1.0 V of the battery voltage.
    • If not the specified value test the ignition 1 signal circuit for a short to ground or open/high resistance. If the circuit tests normal, replace the T6 drive motor generator power inverter module.
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