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P0735-GEAR RATIO ERROR IN 5TH For the Transmission circuit diagram (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - 45RFE/545RFE - For a complete wiring diagram Refer to Section 8W • When Monitored: • Set Condition: Possible Causes LOW FLUID LEVEL INPUT SPEED SENSOR OR WIRING VALVE BODY ACCUMULATOR COVER FAILED CUT OD OR 2C ACCUMULATOR SEAL CRACKED OD OR 2C ACCUMULATOR PISTON BROKEN OR MISSING OD BLEED ORIFICE IN MAIN VALVE BODY CUT 2C TOWER SEAL TRANSMISSION SOLENOID/TRS ASSEMBLY CUT OR MISSING #5, #6, OR #7 CHECK BALL WORN SOLENOID SWITCH VALVE OR PLUGS CUT OD OR 2C PISTON SEAL STUCK MAIN REGULATOR VALVE BURNED OD OR 2C CLUTCH BROKEN OR MISSING 2C BLEED ORIFICE IN 2C/4C RETAINER BROKEN REACTION SHAFT SUPPORT SEAL RING POOR MACHINING ON PUMP VALVE BODY FACE LOOSE / MISSING DRIBBLER ORIFICE ASSEMBLY IN REACTION SHAFT SUPPORT CRACKED / LOOSE / MISSING OD/REVERSE PISTON BLEED ORIFICE BROKEN REVERSE CARRIER HUB WELD BROKEN REVERSE SUN GEAR WELD TO REACTION CARRIER Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 21 - TRANSMIS- Theory of Operation The transmission system uses two speed sensors, one to measure input RPM and one to measure output RPM. 1) Once in a particular gear, if the gear ratio varies from the correct gear ratio, the corresponding in-gear trouble 2) An excessive change in input or output speeds indicating signal intermittent may result in the DTCs P0715 and/or 3) If the common speed sensor ground circuit is lost, both sensor inputs will read the pulses from the input speed 21 - 488 AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS ND |