P1773

Test 1 Through 2:

Test 3 Through 5:

Symptom:
P1773- INADEQUATE ELEMENT VOLUME UD

When Monitored and Set Condition
P1773- INADEQUATE ELEMENT VOLUME UD

When Monitored:Whenever the engine is running. The UD volume is updated during a 4-3 kickdown with throttle angle between 20 and 54 degrees. Trans temp must be at least 110°F.

Set Condition: When the UD volume falls below 11.

POSSIBLE CAUSES
INCORRECT FLUID LEVEL
INTERNAL TRANSMISSION PROBLEM - UD VOLUME LOW
TCM - UD VOLUME LOW