P1738

Test 335 - 340:

Test 341 - 344:

Test 345:

Symptom:
P1738-High Temperature Operation Activate

When Monitored:
Whenever the engine is running.

Set Condition:
The code will set if transmission oil temperature is greater than 240 degrees F. and an Overheat Shift Schedule is activated.

POSSIBLE CAUSES
CHECKING SYMPTOMS AND POSSIBLE CAUSES
LOW BATTERY VOLTAGE CAUSING SYMPTOM
TRANSMISSION OVERFILLED WITH OIL
ENGINE COOLING FANS MALFUNCTIONING
ENGINE COOLING SYSTEM MALFUNCTIONING
INTERMITTENT CODE P1738
TRANS OIL COOLING CAPACITY TOO LOW
TRANSMISSION OIL COOLER PLUGGED