FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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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 Transmission begins to slip in a forward gear and the pressure switch(s) that should be closed are open, a loss of prime test begins. Available elements are turned on by the PCM to see if pump prime exists. The DTC sets if no pressure switches respond.

POSSIBLE CAUSES
- Shift lever position
- Plugged transmission oil filter
- Intermittent wiring and connectors
- Transmission oil pump