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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 P0973, P0976, or P2764 >> Circuit/System Verification

Circuit/System Verification

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Start and idle the engine. Using the scan tool output controls command the 1-2 SS, 2-3 SS, and TCC PWM solenoid ON and OFF. Observing the CKT Status parameter on the scan tool, ensure the parameter shows OK.