✅ Fixed
MDS (cylinder deactivation) lifter collapsing. Common issue. Disabled MDS with tuner $300. Ticking significantly reduced. Running on all 8 cylinders only now.
Jeep Grand Cherokee 2014 5.7 Hemi lifter tick
Jeep
Grand Cherokee
2014
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
⚠️ Drive with Caution
Safety Impact
Indirect risk — worth monitoring, not urgent
Urgency Level
🟡 Monitor Closely
5.7 Hemi ticking. Louder on startup. MDS related noise. This fault code is stored when the engine control unit detects a specific fault condition. Common causes include sensor failures, wiring faults, and component wear. Always read additional fault codes before replacing parts — multiple codes together provide a clearer diagnosis. Clear the code after repair and test drive to confirm the fault does not return.
🔍 Symptoms
📍 Jeep Grand Cherokee
⚙️ Possible Causes
Jeep Grand Cherokee
Possible: MDS (cylinder deactivation) lifter collapsing. Common issue. Disabled MDS with tuner $300. Ticking significantly reduced. Running on all 8 cylinders only now.
Repair / Solution
Based on 87 driver confirmations
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Jeep Grand Cherokee 2014 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
🧾 Driver Reports
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