2015 Jeep Wrangler Engine Problems

NHTSA component category: ENGINE · data through 11/01/2026

129Engine complaints

26.8%Of all 481 complaints

#1Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How engine ranks on this vehicle

ENGINE129 · 26.8%

SERVICE BRAKES122 · 25.4%

ELECTRICAL SYSTEM78 · 16.2%

AIR BAGS74 · 15.4%

Unspecified / other58 · 12.1%

Share of the 481 complaints citing each category; one complaint can cite several. Full breakdown on the 2015 Jeep Wrangler overview page.

What owners report

“NOTICED SMELL OF COOLANT WHEN VEHICLE WAS PARKED. I WAS NOT ABLE TO LOCATE THE LEAK. THERE WERE NO PUDDLES OF COOLANT OR DETECTABLE DRIPS…”NHTSA complaint 11088938 — filed 04/18/2018

“WHILE DRIVING DOWN OUR JEEP WRANGLER DOWN THE HIGHWAY MY HUSBAND STOPPED AT A RED LIGHT AND SAID HE HEARD SOMETHING HISSING THEN HE SAW…”NHTSA complaint 11080302 — filed 03/19/2018

“RADIATOR RESERVOIR WAS FOUND TO BE LOW AT AROUND 9,000 MILES DURING FIRST OIL CHANGE. ALONG, WITH A SLIGHT SMELL OF ANTIFREEZE WHEN THE VEHICLE…”NHTSA complaint 11063390 — filed 01/17/2018

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Engine complaints by year filed

Frequently asked questions

Does the 2015 Jeep Wrangler have engine problems?

Engine is the most-reported problem area on the 2015 Jeep Wrangler: 129 of 481 complaints on file (26.8%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2015 Jeep Wrangler have in total?

481 complaints were on file with NHTSA as of 11/01/2026. Across all categories, 15 involved a crash, 27 involved a fire, 13 reported injuries, and none reported deaths.

What does NHTSA's engine category include?

NHTSA assigns each complaint to standard component categories; this page reports the ENGINE category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 11/01/2026.