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P1571 Diagnostic Trouble Code Discussion for January 2007

Traction Control Torque Request Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1571
Help Request Posted
1998 Cadillac DeVille 4.6L Poor Idle Quality, MIL Lamp on, Excessive High Idle VIN: 1G6KD54Y5W
P1571: Traction Control System - PWM Circuit No Frequency. ... searched the IATN Knowledge Base and did not find anything related. Car came to me on a trailer. Upon start up idle races and surges(guessing about 3500 to 5000 RPM. When you put it into drive it races at a higher, but, steady RPM. Afraid to let it run too...
January 29, 2007