P1721

P1721 - LINE PRESSURE SENSOR FAULT

When Monitored and Set Condition:
P1721 - LINE PRESSURE SENSOR FAULT

When Monitored: Continuously with engine running.

Set Condition: If the Line Pressure Sensor (LPS) voltage is below 0.2 volts or above 4.75 volts the code will be set.

POSSIBLE CAUSES:
INTERMITTENT WIRING AND/OR CONNECTORS
5-VOLT SUPPLY CIRCUIT OPEN
GROUND CIRCUIT OPEN
LINE PRESSURE SENSOR SIGNAL CIRCUIT OPEN
5-VOLT SUPPLY CIRCUIT SHORT TO GROUND
LINE PRESSURE SENSOR SIGNAL CIRCUIT SHORT TO GROUND
LINE PRESSURE SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
LINE PRESSURE SENSOR
TCM - HIGH LINE PRESSURE SENSOR
TCM - LOW LINE PRESSURE SENSOR