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Engine coolingPart report

2018 Jeep Renegade Engine cooling Problems

Complaints
4about this part
Share
1%of 444 total for the year
Median mileage
70,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the engine cooling of the 2018 Jeep Renegade, 1% of the 444 complaints for this model year. Where a mileage was given, the median is 70,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The contact owns a 2018 Jeep Renegade. The contact stated that while driving at an undisclosed speed, the low oil pressure warning light illuminated. The vehicle was driven to the shoulder of the road. The contact inspected the vehicle and added approximately three quarts of oil to the engine. The vehicle was taken to an independent mechanic. The contact was informed that there was an oil leak. The contact stated that the vehicle had recently received an oil change in December 2025. The vehicle had only been driven 1,200 miles since the oil change was performed. …”

NHTSA complaint #11712061, filed 2026-01, 131,350 miles

“The contact owns a 2018 Jeep Renegade. The contact stated that while accelerating from a red light, the vehicle suddenly shut off and stalled in the middle of the intersection. The vehicle was towed to an independent mechanic shop, where the contact suffered a heat-related stroke due to the high temperature. The vehicle was subsequently transferred to a licensed dealer, where technicians diagnosed a failure within the Engine Control Module (ECM/PCM), commonly referred to as the vehicle's brain. The vehicle was repaired. The manufacturer was notified of the failure. …”

NHTSA complaint #11739502, filed 2026-05, 60,000 miles

“The contact owns a 2018 Jeep Renegade. The contact stated while opening the driver’s side door water was leaking from underneath the door, causing electrical issue with the vehicle. The vehicle was taken to the dealer and the computer was replaced; however, the failure persisted. On another occasion, while starting the vehicle, the contact smelled an abnormal odor inside the vehicle. The vehicle was taken to the dealer but no cause for the issue was found. The contact also stated that the trunk would independently open. …”

NHTSA complaint #11503781, filed 2023-01, 1,300 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
202111%
201911%
201841%
201751%
201682%
201541%

Other parts of the 2018 Jeep Renegade

Engine
190 complaints
Electrical system
131 complaints
Fuel system
100 complaints
Other or unknown
95 complaints
Transmission and drivetrain
58 complaints
Brakes
20 complaints
Vehicle speed control
16 complaints
Visibility (wipers, defrost, mirrors)
12 complaints
Steering
11 complaints
Air bags
9 complaints
Exterior lighting
9 complaints
Electronic stability control
8 complaints

← All problems reported for the 2018 Jeep Renegade

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology