A/T - MIL ON/DTC's P0783/P0734/Harsh 3-4 Shift: Overview
TSB No. TS 08 03222RSection Title: Transmission/Transaxle
Category: Technical
Division: Automotive
SUBJECT:
AUTOMATIC TRANSMISSION HARSH SHIFT WITH MIL ON AND EITHER OF THE FOLLOWING DTCS; P0783, P0734
MODEL(S): FORENZA/RENO (RQ420)
YEAR: 2004-2008
CONDITION:
Transmission will have a harsh shift from third to fourth gear. Malfunction Indicator Lamp (MIL) will be ON with DTCs P0783 (3-4 Shift Malfunction) P0734 (Gear 4 Incorrect Ratio).
CAUSE:
Brake C piston seal has failed.
CORRECTION:
A new C piston is available to repair the transmission on the bench without replacement of the transmission assembly. Please follow the procedure below to remove and install the C Piston and Disk Set C & D.
PARTS INFORMATION
WARRANTY CLAIM INFORMATION
WORKFLOW