TSB 09-07-30-012E (S: A/T - No Reverse/3rd or 5th Gear/MIL ON/DTC P0776: Overview

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TECHNICAL Bulletin No.: 09-07-30-012F Date: September 26, 2012 Subject: No Reverse, 3rd or 5th, Check Engine Light Illuminated, DTC P0776 (Replace 3-5 Reverse Clutch Plate (Waved) Models: 2008-2009 Buick Enclave 2008-2009 Chevrolet Equinox, Malibu 2009 Chevrolet Traverse 2007-2009 GMC Acadia 2007-2009 Pontiac G6 2008-2009 Pontiac Torrent 2007-2009 Saturn AURA, OUTLOOK 2008-2009 Saturn VUE All Equipped with 6T70/75 6-Speed Automatic Transmission (RPOs MH2, MH4, MH6 or MY9) Supercede: This bulletin is being revised to update the Warranty Information. Please discard Corporate Bulletin Number 09-07-30-012E (Section 07 - Transmission/Transaxle. Condition Some customers may comment about an SES light and/or no reverse and may also comment on a slip/flare or harsh shifts in drive range 3rd and/or 5th gear. Upon investigation, the technician may find DTC P0776 (Clutch Pressure Control (PC) Solenoid 2 - Stuck Off) set. Any one of the following codes may set independent of each other as a result of this wave plate breaking: P0777, P2723, P0717, P0716, P2715, P2714. Cause This condition may be caused by a broken 35R clutch wave plate allowing the apply piston to over-stroke the piston to leak and causing loss of apply. This normally will not occur before approximately 32,000 km (20,000 mi). Debris generated by the condition can affect the operation of the speed sensors and other clutches. Parts Information Warranty Information For vehicles repaired under warranty, use the table. Disclaimer