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2015 JEEP CHEROKEE
3.2L V6•AWD•AUTOMATIC•gas
11 active safety recalls on this vehicle — view recalls
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Repairs0Labor987Torque6853Fluid17DTC2320Battery2Maintenance0Recalls11
P3624high severityPowertrain

Cylinder Deactivation System Oil Pressure Low

on 2015 Jeep Cherokee 3.2L V6 · AWD

What this code means

The oil pressure dedicated to the cylinder deactivation system is below the minimum threshold for reliable lifter switching.

Symptoms

  • Check Engine Light
  • Cylinder deactivation disabled
  • Engine noise during attempted deactivation
  • Lifter tick on deactivation command
  • Oil pressure warning at idle

Common causes

  • Low engine oil level
  • Oil pump wear reducing pressure
  • Wrong oil viscosity installed
  • VLOM assembly internal leak
  • Clogged oil filter restricting flow

Diagnostic steps

  1. Check engine oil level and condition
  2. Measure oil pressure at deactivation gallery
  3. Verify correct oil viscosity
  4. Test VLOM assembly seal integrity
  5. Inspect oil filter for restriction

Repair notes

Top off or change engine oil with correct AFM-compatible specification. Replace oil pump if pressure is low at all speeds. Replace VLOM if internal leak found.

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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