P1797

Symptom:
P1797-MANUAL SHIFT OVERHEAT

Test 1:

Test 2:

When Monitored:
Whenever engine is running and transmission is in the AutoStick mode.

Set Condition:
If the engine temperature exceeds 124°C or 255°F or the transmission temperature exceeds 135°C or 275°F while in AutoStick mode. Note: Aggressive drying or driving in low for extended periods of time in AutoStick- mode will set this DTC.

POSSIBLE CAUSES
- MANUAL SHIFT OVERHEAT
- BACK-UP LAMPS ALWAYS ON
- BACKUP LAMP SUPPLY CIRCUIT SHORT TO VOLTAGE
- INTERMITTENT WIRING AND CONNECTORS