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Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (2.0L - DTCS P2299 To P2453) >> DTC Troubleshooting >> P2418 EVAP System Switching Valve "A" Control Circuit/Open >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
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:  2.0L - PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .