DTC Troubleshooting: P0775 (77-1)

DTC P0775:  Problem in Hydraulic Control System of A/T Clutch Pressure Control Solenoid Valve B Circuit

NOTE: Record all freeze data before you troubleshoot.

1.Check the fuel and emissions system problem or A/T system problem is indicated by the DTC.

Is there any of the DTC?


YES - Perform the troubleshooting flowchart for the indicated code(s). Turn the ignition switch OFF, and go to 4 after troubleshooting.


NO - Go to 2.


2.Turn the ignition switch OFF.

3.Replace the A/T clutch pressure control solenoid valve B (with C as a set).

4.Reset the PCM memory by removing the No. 6 ECU (15 A) fuse in the under-hood fuse/relay box for more than 10 seconds.

5.Start the engine, and shift to [2] position. Test-drive the vehicle in [2] position at 25 mph (40 km/h) for 10 seconds, shift into [D] position with over-drive OFF mode in 3rd gear, drive at 25 mph (40 km/h) for 10 seconds, then decelerate to a stop. Do not stop the engine. Start off in [1] position, and drive at 19 mph (30 km/h) for 10 seconds.

6.Repeat step 5 to test-drive the vehicle.

7.Recheck for DTC P0775.

Is DTC P0775 indicated?


YES - Replace the transmission assembly.n


NO - The problem has been corrected.n