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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 52 (2.0L - DTCS P2401 To P24F0) >> DTC Troubleshooting >> P2418 EVAP System Switching Valve "A" Control Circuit/Open >> Possible Causes

Possible Causes

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Possible Causes
FUSED ASD RELAY OUTPUT CIRCUIT OPEN/HIGH RESISTANCE
FTIV CONTROL CIRCUIT OPEN/HIGH RESISTANCE
FUEL TANK ISOLATION VALVE (FTIV)
POWERTRAIN CONTROL MODULE (PCM)

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