LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1382 (1.3L - DTCS P1212 To P2115) >> DTC Troubleshooting >> P1456-Fuel Tank Pressure Sensor Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
POSSIBLE CAUSES
FTP SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
FTP SENSOR SIGNAL CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT
5-VOLT SUPPLY SHORTED TO GROUND
5-VOLT SUPPLY SHORTED TO THE SENSOR GROUND CIRCUIT
FUEL TANK PRESSURE SENSOR (FTP)
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .