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Home >> Pontiac >> 2000 >> Firebird Formula, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 5.7L >> Diagnostic Tests >> DTC P1571: Traction Control Torque Request Circuit ("Y" Body) >> Circuit Description

Circuit Description

PCM supplies 5 volts on Desired Torque (DT) circuit to Electronic Brake And Traction Control Module (EBTCM). EBTCM grounds circuit when it detects wheel slip. DTC sets if DT signal is not received by PCM.

DTC will also set when the desired torque signal is not received by PCM for 3 seconds.

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