2014 Jeep Grand Cherokee: Check engine light on
Common wear/failure (not a recall)
Symptoms
Owners of the 2014 Grand Cherokee report: check engine light on. CarComplaints.com lists 37 owner complaints, average mileage 20,250 miles.
NHTSA has 448 owner complaints for the 2014 Grand Cherokee in this area. Examples:
- NHTSA complaint ODI #11771760 (filed 10/16/2026): “The transmission/clunks when starting, wile climbing hill wont engage loud crack when turning out of driveway right mirror wont engage when car is near the warning or the beeping wont go off climate control door wont move backup camera goes out / electrical s…”
- NHTSA complaint ODI #11758075 (filed 08/19/2026): “This complaint is being filed regarding a failed and botched remedy of two federal safety recalls: the crankshaft position sensor recall and safety recall z46 (high-pressure fuel pump) on my jeep grand cherokee ecodiesel.the vehicle was delivered to kendall dc…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: requires new sensor....back ordered (4 reports) replace oil filter housing (3 reports) repair oil pump (1 reports) replace engine (1 reports) replace fuel injection pump (1 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
CarComplaints.com owners report a typical repair cost of about $750 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
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