P1782

Test 1 Through 3:

Test 4 Through 7:

Test 8 Through 10:

SYMPTOM:
P1782 - 2-4 PRESSURE SWITCH SENSE CIRCUIT

When Monitored and Set Condition:
P1782 - 2-4 PRESSURE SWITCH SENSE CIRCUIT

When Monitored:
Whenever the engine is running.

Set Condition:
The appropriate code is set if one of the pressure switches are open or closed at the wrong time in a given gear.

POSSIBLE CAUSES
RELATED RELAY DTC'S PRESENT
INTERMITTENT WIRING & CONNECTORS
TRANSMISSION RELAY OUTPUT CIRCUIT OPEN
2-4 PRESSURE SWITCH SENSE CIRCUIT OPEN
2-4 PRESSURE SWITCH CIRCUIT SHORT TO GROUND
2-4 PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
REPLACE THE TCM