P1DB7 FIAT – Torque Converter Clutch Performance

P1DB7 FIAT Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1DB7 FIAT Possible Causes

Faulty Torque Converter Clutch (TCC),Faulty Transmission Control Module (TCM)

P1DB7 FIAT Description

The purpose of the monitoring is to detect a failure in the Torque Converter Clutch (TCC) system. The TCC is used to bypass the torque converter. The TCC can be open, closed or in closed loop control mode where a specific clutch slip is controlled. The actual slip and the target slip are compared to detect a failure.