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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1607 (5.7L CNG - DTCS P224D To U147B - 2500 Hd) >> DTC Troubleshooting >> P224D-Alternative Fuel Tank Shutoff Valve Control Circuit >> 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 FUEL TANK SHUTOFF RELAY CONTROL CIRCUIT OPEN/HIGH RESISTANCE
CNG FUEL TANK SHUTOFF RELAY
POWERTRAIN CONTROL MODULE

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. 

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