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Home >> Jeep >> 2024 >> Wagoneer Carbide, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (3.0L - DTCS P059F-00 To P05D9-00) >> DTC Troubleshooting >> P05D9-00-PCV Regulator Valve Control Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2024 Jeep Grand Wagoneer L and 2024 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
MAKEUP AIR SOLENOID CONTROL CIRCUIT SHORTED TO GROUND
MAKEUP AIR SOLENOID
POWERTRAIN CONTROL MODULE (PCM)

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

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