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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)