P2783 Torque converter temperature too higt
P2783 code - The transmission control module (TCM) monitors the friction loss of the torque converter clutch while it is in slipping mode. The TCM calculates friction loss using CAN communication signals such as, engine speed and engine torque, as well as the torque converter turbine speed computed by the TCM. Depending on the friction loss calculated in each program cycle, a corresponding value is added to a factor as long as the torque converter clutch is in slipping mode. The factor is set to 0 when the clutch is opened. If the factor reacehes a specified value, a DTC is set.
When monitored this DTC when the solenoid supply voltage is active. With no reporting input speed sensor 1 or 2 (N2 -N3) CAN bus, PCM, CAN engine, and or CAN engine speed DTCs present. Torque converter cluth in slip mode. Set condition this DTC when the friction loss factor reaches a predetermined threshold.
Possible causes P2783 code:
- Internal transmission or torque converter clutch problem
Diagnostic test P2783 code
Check for an internal transmission problem
This DTC is an information DTC. Perform any service information tune-ups or technical service bulletins that may apply. This is usually a sign of torque converter clutch failur or an internal transmisson problem. Check the engine and transmission cooling systems for proper operation.
Repair, repair internal transmission, torque converter, and or transmission and engine cooling systems as necessary.
Perform NAG1 Transmission Verification Test.
Perform any service information tune-ups or technical service bulletins that may apply. This is usually a sign of torque converter clutch failure or an internal transmission problem.
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