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Home >> Chevrolet >> 2017 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Automatic Transmission - 5ET50 (MKE)) >> Diagnostic Information and Procedures >> DTC P1761: Up and Down Shift Switch Signal Message Counter Incorrect >> Circuit/System Verification

Circuit/System Verification

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  1. Verify there are no other Hybrid/EV Powertrain Control Module 1 or communication DTCs set.
    • If a DTC is not set 
  2. Complete the diagnosis by looking for a CAN fault. Refer to Scan Tool Does Not Communicate with High Speed GMLAN Device .
    • If a CAN circuit fault is found 

      Repair as necessary.

    • If a CAN circuit fault is not found 
  3. Replace the T6 Power Inverter Module.