P0731

DTC P0731, DTC P0732, DTC P0733, DTC P0734, DTC P0750, DTC P0751, DTC P0755, DTC P0756 [LA4A-EL]





TROUBLESHOOTING HINT
Fail-safe
P0750, P0751, P0755, P0756
- Malfunction gear is not commanded once CCM testing is complete.
P0731, P0732, P0733, P0734
- Electronic Pressure Control (EPC) minimum static pressure increased.
- Harsh shifts malfunction gear is not commanded once CCM testing is complete SS1 and SS2 description
- SS1 and SS2 provide gear selection of 1 OR through 4GR by providing ON/OFF pressure control to the shift valves.

Solenoid valve operation chart





The following solenoid operation chart shows normal solenoid operation for given operation mode.

SS1 and SS2 failure mode chart





Failed ON or OFF due to PCM and/or vehicle wiring concerns, and or solenoid electronically stuck off, and/or hydraulically or mechanically stuck off.





SS1 and SS2 specification

DIAGNOSTIC PROCEDURE





Step 1 - 3





Step 4 - 6





Step 7 - 11