Operation CHARM: Car repair manuals for everyone.

P1782

Test 1 Through 2:




Test 3 Through 6:




Test 7 Through 9:




Test 10 Through 13:




Test 14 Through 15:






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
PRESSURE SWITCH INOPERATIVE
TCM (2-4 PRESSURE SWITCH SENSE)