![]() Important: Debris generated by the condition must be cleaned from the entire transmission and the pump fluid filter (201) and the control solenoid filter plate (16) must be replaced. ![]() Important: It is recommended that a new plate be installed any time the transmission is disassembled for any reason. Debris generated by the condition can affect the operation of the speed sensors and other clutches. This normally will not occur before approximately 32,000 km (20,000 mi). 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. 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. ![]() Upon investigation, the technician may find DTC P0776 (Clutch Pressure Control (PC) Solenoid 2 - Stuck Off) set. 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. Please discard Corporate Bulletin Number 09-07-30-012E (Section 07 – Transmission/Transaxle). This bulletin is being revised to update the Warranty Information. Subject: No Reverse, 3rd or 5th, Check Engine Light Illuminated, DTC P0776 (Replace 3-5 Reverse Clutch Plate (Waved)Īll Equipped with 6T70/75 6-Speed Automatic Transmission (RPOs MH2, MH4, MH6 or MY9) #09-07-30-012F: No Reverse, 3rd or 5th, Check Engine Light Illuminated, DTC P0776 (Replace 3-5 Reverse Clutch Plate (Waved) - (Sep 26, 2012) & here is the latest gm bulletin on the 6T70/75 wave plate issue:
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