P1738

Test 443-448:

Test 449-452:

Test 453:

SYMPTOM:
P1738-HIGH TEMPERATURE OPERATION ACTIVATED

When Monitored and Set Condition:
P1738-HIGH TEMPERATURE OPERATION ACTIVATED
When Monitored: Whenever the engine is running.
Set Condition: Immediately once the 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