If the code persists, disconnect the transmission harness from the PCM / TCM (to prevent damage to the controller(s) and perform resistance, continuity, and ground connectivity checks as per the instructions provided in the manual on all circuits. This code could be stored for lots of reasons. You can also give us a call at 1-800-701-6230 to speak with a service advisor. END OF SPECIAL NOTES. lexpert. Different functions can be tested /checked at different points, which makes important to obtain a diagram of the hydraulic circuits in the transmission, as well as a diagram that CLEARLY indicates the location and function of ALL pressure testing points on the transmission. How to Reset MIL; Honda B-CAN And F-CAN; Top 30 Codes; Powertrain (P) … Porleark New User Aug 11, 2018, 8:38 AM Post #1 of 7 (2038 views) 2004 Toyota Camry P0776 Code I'm making this post for my Dad. This information can be of use should an intermittent fault be diagnosed later on. He quickly identified my problem and was very knowledgeable in describing the fault as well as how to ensure it does not reappear in the future. © Note that code P0776 can be accompanied by many other transmission related codes, some of which may be manufacturer specific, Gearshifts may be harsh, erratic, unpredictable, Depending on the nature of the problem, the transmission may not shift at all, or remain stuck in one gear, Transmission may slip, or there may be varying degrees of hesitation before any gear is selected, In some cases, the engine may stall when the vehicle is slowed prior to stopping because the torque converter lock-up clutch may be fully engaged, Some applications may enter a failsafe, or limp mode that will persist until the problem is resolved, Depending on the nature of the problem, some transmissions may emit mechanical noises such as whining, grinding, rumbling, or even knocking/thudding sounds in some cases. Depending on operating conditions such as throttle opening, engine speed, transmission turbine speed, the currently selected gear, and the vehicle’s road speed, the PCM calculates the pressure required for the transmission to react appropriately to changing conditions. Technician. If it is possible to remove the oil pan, do so safely, by preventing fluid spills when the fluid is drained off. Replace the transmission filter with an OEM replacement, and use a new gasket when replacing the oil pan to prevent leaks. When this happens, the transmission may slip, gearshifts may become harsh, erratic, or unpredictable, and damage to various transmission components could occur as a result of the torque converter lock-up clutch not functioning as it should. Compare all obtained readings to the values stated in the manual, and make repairs or replace wiring as required to ensure that all electrical values fall within the ranges specified by the manufacturer. Failure to do this will almost certainly result in a misdiagnosis, wasted time, and the unnecessary replacement of parts and components. Thus, if the fluid level is low, find and repair all fluid leaks on the transmission before topping off the fluid level, or continuing with the diagnostic procedure. The computer-controlled automatic transmission relies on varying levels of hydraulic pressure to supply torque converter and shift actuation lockup. For a quick quote and to schedule an appointment, all you need to do is fill out this online form.

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