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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1657 (5.7L CNG - DTCS P01A0 To P0506 - 2500 Hd) >> DTC Troubleshooting >> P01A0-Alternative Fuel Tank Pressure Sensor Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
CNG TANK PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
CNG TANK PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO THE CNG TANK PRESSURE SENSOR RETURN CIRCUIT
CNG TANK PRESSURE SENSOR
POWERTRAIN CONTROL MODULE

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. 

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