P1791

Test 589-592:

Test 593:

SYMPTOM:
P1791-LOSS OF PRIME

When Monitored and Set Condition:
P1791-LOSS OF PRIME
When Monitored:
Set Condition: If the transmission is slipping in any forward gear and the pressure switches are not indicating pressure, a loss of prime test is run.

POSSIBLE CAUSES
- CHECKING SYMPTOMS AND POSSIBLE CAUSES
- LOW BATTERY VOLTAGE CAUSING SYMPTOM INTERMITTENT CODE P1791

Test 198-199:

SYMPTOM:
ADDITIONAL LOSS OF PRIME (P1791)

POSSIBLE CAUSES
- AUTO TRANS INCORRECT FLUID LEVEL OR COOLER LINES