1. Measure the voltage between PCM connector terminals A18 and A8 or A9.

Is there about 5 V?

YES | - | Repair open in the wire between PCM connector terminal A18 and the output shaft (countershaft) speed sensor, then go to Step 30 .
NO | - | Check for loose or poor connections at PCM connector terminal A18. If the connection is OK, update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom/indication goes away with a known-good PCM, replace the original PCM .■

1. Clear the DTC with the HDS.

1. Test-drive the vehicle for several minutes in the D position in all five gears.

1. Monitor the OBD status for P0722 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.

Does the result indicate a pass?

YES | - | The problem has been corrected.■
NO | - | Return to Step 1 and recheck.■