GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2001 🢒 Catera 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L30-E 🢒 No Engagement of Torque Converter Clutch

No Engagement of Torque Converter Clutch for Cadillac Catera 2001

Causes

Action

The Solenoid Valve for the Converter Clutch is defective.

Refer to DTC P1870 .

There is an interruption in the Signal Circuit.

Perform the Line Pressure Check .

There is fluid loss in the Fluid Circuit of the Converter Clutch.
  1. Search for the leaking part.
  2. Replace the leaking part.