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Home >> Chevrolet >> 2021 >> Express 2500 LS, 6.6L Eng VIN 7 >> Repair and Diagnosis >> External Pages >> Different car >> Section 22 (Antilock Brake System) >> Diagnostic Information and Procedures >> Traction Control/Stability Control Indicator Malfunction >> Circuit/System Verification

Circuit/System Verification

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Ignition ON, observe the scan tool BCM Traction Control Switch parameter while pressing and releasing the Traction Control Switch. The reading should change between Active and Inactive.

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