P1784
Test 1 Through 2:
Test 3 Through 7:
Test 8 Through 11:
Test 12:
Symptom:
P1784-LR PRESSURE SWITCH SENSE CIRCUIT
When Monitored and Set Condition
P1784-LR 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
L/R PRESSURE SWITCH
L/R PRESSURE SWITCH SENSE CIRCUIT OPEN
L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND
L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
TRANSMISSION RELAY OUTPUT CIRCUIT OPEN
LOSS OF PRIME (P-1791) PRESENT
TCM (L/R PRESSURE SWITCH)