GM Topics

4T40/45

• TCC Surge
• Updates for 2007-on units

4T65E

• Sprocket support issues

4T80E

• TCC Buzz noise

4L60/65/70E

• P0756 issues
• Erratic TCC Surge
• Updates for 2007-on units

5L50, 6L50/80/90

• Shift to park message failure
• P1825, P182E, P1915 IMS issues
• TCC Noise and/or vibration
• No Forward movement
• Clutch shudder
• Ticking and/or rattling noise
• P1875 IMS failure
• Low Sprag update
• Delayed engagement, Reverse drain down/bind
• P0751
• 2-3 Shift concerns
• Manual 2-1 downshift shudder

LCT 1000

• Fluid leak from the vent & bell housing
• P0872, P1711
• Shift concerns, erratic operation
• Multiple DTC's, erratic operation, Bad TCM
• P0877, P2733 Neutral while driving, no reverse
• P0658, P2670 Neutral while driving, no reverse