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Home >> Jeep >> 2024 >> Grand Cherokee Altitude X, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 86 (2.0L - DTCS P2418 To P2461) >> DTC Troubleshooting >> P2450-Fuel Tank Isolation Valve Stuck Open >> Possible Causes

Possible Causes

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Possible Causes
FTIV CONTROL CIRCUIT SHORTED TO GROUND
FUEL TANK ISOLATION VALVE (FTIV) STUCK OPEN
POWERTRAIN CONTROL MODULE (PCM)

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

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