1. DTC P0777 description
Clutch control solenoid (SL2) is installed on the valve body assembly and adjusts the C2 clutch control oil pressure. The TCM controls clutch control solenoid (SL2) based on the information of the vehicle speed, accelerator opening position, brake signals, etc. If the TCM detects that clutch (C2) remains operated even though clutch (C2) controlled by clutch control solenoid (SL2) is commanded to disengage, the DTC is set.
2. Condition for setting DTC P0777
Condition for running the DTC
- The vehicle is running in the D range.
- The current gear position is 1st.
- The input speed is 4,000 rpm or less.
- The output speed is 60 rpm or more.
- DTCs P0715, P0717, P0720, and P0722 are not set.
Refer to "55.Transmission Control 5A.Troubleshooting(AWR6B45) DTC P0715 (Flash Code 14) Turbine Shaft Speed Sensor Circuit".
Refer to "55.Transmission Control 5A.Troubleshooting(AWR6B45) DTC P0717 (Flash Code 14) Turbine Speed Sensor Circuit No Signal".
Refer to "55.Transmission Control 5A.Troubleshooting(AWR6B45) DTC P0720 (Flash Code 11) Output Shaft Speed Sensor Circuit".
Refer to "55.Transmission Control 5A.Troubleshooting(AWR6B45) DTC P0722 (Flash Code 11) Output Speed Sensor Circuit No Signal".
Condition for setting the DTC
- The TCM detects that clutch (C2) remains operated even though clutch (C2) controlled by clutch control solenoid (SL2) is commanded to disengage.
3. Action taken when DTC P0777 sets
- The TCM flashes the check trans warning light on the second driving cycle. Refer to Action taken when DTC sets - Type B.
Refer to "55.Transmission Control 5A.Troubleshooting(AWR6B45) DTC type definitions".
- The gear is shifted to 4th, 5th, or 6th.
4. Condition for clearing DTC P0777
- Refer to Condition for clearing the MIL, check trans warning light/DTC - Type A or Type B.
Refer to "55.Transmission Control 5A.Troubleshooting(AWR6B45) DTC type definitions".