EngineMedium
3.6L Pentastar rocker arm / lifter tick (earlier builds).
- Typically appears
- 70,000+ miles
- What to inspect
- Listen for a ticking noise on start-up and at idle.
2011–2021 Jeep Grand Cherokee · common problems & known faults
The WK2 Grand Cherokee is capable and comfortable, but electronics, air suspension, and the Pentastar V6's rocker arms are common issues.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed July 2026
Quick answer
The most commonly reported faults on the 2011–2021 Jeep Grand Cherokee are TIPM and general electrical gremlins, 3.6L Pentastar rocker arm / lifter tick (earlier builds) and Quadra-Lift air suspension faults on so-equipped models. 1 of the documented issues are rated high severity · inspect these first. Full inspection points, onset mileage and what to check are listed below.
Reliability snapshot
Based on the documented faults on this page for the Jeep Grand Cherokee.
7.3/ 10
- Critical
- 0
- High
- 1
- Medium
- 3
- Low
- 0
Guidance only · reflects reported patterns, not a specific car's condition.
Known faults to check
ElectricalHigh
TIPM and general electrical gremlins.
- Typically appears
- 60,000+ miles
- What to inspect
- Test all accessories, remote functions, and check for warning lights.
SuspensionMedium
Quadra-Lift air suspension faults on so-equipped models.
- Typically appears
- 70,000+ miles
- What to inspect
- Confirm the SUV raises/lowers correctly with no faults.
BodyMedium
Water leaks into the footwells / electronics.
- Typically appears
- Age-related
- What to inspect
- Check for damp carpets and musty smells.
Inspecting a Jeep Grand Cherokee?
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Check this exact carFrequently asked questions
Is the Jeep Grand Cherokee WK2 reliable?
It's capable and comfortable but electrically complex; thorough checks of electronics and suspension are key.
Which engine should I choose?
The 3.6L Pentastar is the volume engine; the 5.7L Hemi is stronger, and the EcoDiesel needs emissions-system checks.
Is the air suspension a problem?
Quadra-Lift can be costly to repair — confirm it operates through all height settings.
Sources & further reading
Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.