P0871

Test 1:

Test 2-6:

Test 7-10:

Test 11:

SYMPTOM
P0871-OD PRESSURE SWITCH SENSE CIRCUIT

WHEN MONITORED
Whenever the engine is running.

SET CONDITION
The appropriate DTC is set if one of the Pressure Switches are open or closed at the wrong time in a given gear.

POSSIBLE CAUSES
- TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
- O/D PRESSURE SWITCH SENSE CIRCUIT OPEN
- O/D PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND
- - O/D PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
- O/D PRESSURE SWITCH
- TRANSMISSION CONTROL MODULE
- INTERMITTENT WIRING AND CONNECTORS