FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

P0944











SYMPTOM
P0944 - LOSS OF PRIME

WHEN MONITORED
If the transmission is slipping in any forward gear and the pressure switches are not indicating pressure, a loss of prime test is run.

SET CONDITION
If the Trans. begins to slip in a forward gear and the pressure switch(es) that should be closed are open a loss of prime test begins. Available elements are turned on by the TCM to see if pump prime exists. The code sets if no pressure switches respond.

POSSIBLE CAUSES
- PLUGGED TRANSMISSION OIL FILTER
- SHIFT LEVER POSITION
- TRANSMISSION FLUID LEVEL
- INTERMITTENT WIRING AND CONNECTORS
- TRANSMISSION OIL PUMP