P0846

Symptom:
P0846-2/4 PRESSURE SWITCH SENSE CIRCUIT

When Monitored:
Whenever the engine is running.

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

Test 1:

Test 2-6:

Test 7-9:

Test 10-11:

POSSIBLE CAUSES
- RELATED RELAY DTC'S PRESENT
- 2/4 PRESSURE SWITCH SENSE CIRCUIT OPEN
- TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
- 2/4 PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND
- 2/4 PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
- 2/4 PRESSURE SWITCH
- POWERTRAIN CONTROL MODULE
- INTERMITTENT WIRING AND CONNECTORS