2017 Jeep Grand Cherokee: Wont start
Common wear/failure (not a recall)
Symptoms
Owners of the 2017 Grand Cherokee report: wont start. CarComplaints.com lists 5 owner complaints, average mileage 18,600 miles.
NHTSA has 87 owner complaints for the 2017 Grand Cherokee in this area. Examples:
- NHTSA complaint ODI #11751590 (filed 07/20/2026): “After purchasing the jeep cherokee laredo 2017 in 2024, the jeep immediately in november/2024 started giving problems with the engine, i did report these issues to belise kia in west springfield, ma, after i dropped of the jeep in july/2025, i was told that th…”
- NHTSA complaint ODI #11720043 (filed 02/23/2026): “The hood ajar message stays on and then the service auto start/stop unavailable message comes on. hood is actually closed and this warning is incorrect but will have to stop car to try and reset it. hood latch was replaced. first time did not fix it. took it b…”
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: none clearly reported. Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Moderate
Finding and splicing chewed wiring is doable with a multimeter and patience but can be time-consuming; harness replacement is pro work. (Our assessment.)
Cost
No sourced cost range: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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