
If the codes don’t return, it could have been a glitch, just an odd sensor reading or sticky solenoid. After the second road test, look for the codes that appear. Before clearing out the data, record all present codes and any data from the scan tests. One thing to try when fixing the P0700 code is to clear the code and take it on a road test. Monitor the Slip Speed, Lockup Duty Cycle and Output Shaft Speed for irregularities. It could be a slipping converter clutch that is causing the code. How do I fix trouble code P0700? When you’re diagnosing P0700, you’ll need to look at the freeze frame data to see what occurred when the check engine light was set. It’s most likely something within the transmission or electrical system. However, it is rare that the TCM is faulty.

If the TCM does not communicate with a TCM compatible scan tool, the TCM may be faulty and need to be replaced. The P0700 code can also be seen if the fluid is low or the transmission is failing. The technician should check for all codes present to accurately diagnose the problem. It should not be ignored, because there can be serious drivability problems now and in the future.

The P0700 code indicates a problem with the transmission.
