The 2017 Renegade is a subcompact crossover on the small-wide platform shared with Fiat 500X. Early builds suffer from 9-speed transmission woes and the 2.4L Tigershark engine (most common powerplant, though not listed in your options) has serious valve train and head gasket issues that appear earlier than typical.
9-Speed Automatic Transmission Shudder and Failure (948TE)
Common · high severityTypical onset: 30,000-80,000 mi
Symptoms: Harsh shifting, especially 2-3 and 8-9 gear transitions, Shuddering during light acceleration at 25-45 mph, Limp mode activation, transmission overheating warnings, Complete loss of forward gears in severe cases
Fix: Early attempts involved software flashes and torque converter replacements (4-6 hours labor), but many units need full rebuild or replacement. FCA issued extended warranty coverage to 10yr/150k for some VINs. Transmission oil cooler often replaced simultaneously as it clogs and starves lubrication. Full replacement runs 12-18 hours book time.
Estimated cost: $4,500-7,500
2.4L Tigershark Cylinder Head and Valve Train Failure
Common · high severityTypical onset: 60,000-120,000 mi
Symptoms: Ticking or tapping noise from engine, especially cold start, Check engine light with misfire codes (P0300 series), Oil consumption exceeding 1 qt per 1,000 miles, White smoke from exhaust indicating head gasket breach
Fix: MultiAir valve actuator system fails, causing rocker arm and lifter damage. Left head is more prone. Job requires cylinder head removal (8-12 hours), resurfacing, new MultiAir units, lifters, and head gasket. Many techs replace all lifters and both head gaskets preventively once one side fails. Engine may need bore scope inspection for dropped valve seat damage.
Estimated cost: $3,200-5,800
Fuel Pump and Fuel Delivery Module Failure
Occasional · high severityTypical onset: 50,000-90,000 mi
Symptoms: No-start condition with cranking but no firing, Intermittent stalling at operating temperature, Rough idle, hesitation under load, Fuel pump prime sound absent at key-on
Fix: In-tank fuel pump module fails, often the actual pump motor. Requires fuel tank drop (2.5-4 hours depending on fuel level and rust). Recall 23V-385 covers some VINs for this issue. Use OE Mopar part; aftermarket pumps have high failure rate on this platform.
Estimated cost: $800-1,400
Instrument Cluster Failure and Ghost Warning Lights
Occasional · medium severitySymptoms: Gauges dropping to zero while driving, Service 4WD, ABS, traction control lights illuminating randomly, Total cluster blackout requiring key cycle to reset, Inaccurate fuel level and temperature readings
Fix: Software glitches and actual cluster board failures both documented. Start with software update via dealer (TSB 08-074-17), takes 0.5 hours. If hardware failure, cluster replacement requires programming and runs 1.5-2.5 hours. Some failures trace to body control module issues instead.
Estimated cost: $450-1,200
Transmission Mount Collapse
Common · medium severityTypical onset: 40,000-80,000 mi
Symptoms: Clunking when shifting from Park to Drive or Reverse, Excessive vibration at idle in Drive, Visible sag of transmission tailshaft on inspection
Fix: Rear transmission mount fatigues and tears, especially on 4x4 models. Requires lift access, 1.5-2 hours labor. Often discovered during transmission troubleshooting. Replace with OE Mopar part; aftermarket mounts fail quickly.
Estimated cost: $250-450
Harmonic Balancer Separation
Occasional · high severityTypical onset: 70,000-130,000 mi
Symptoms: Severe belt squeal that doesn't respond to belt replacement, Visible wobble of crankshaft pulley at idle, Rough vibration especially around 2,000 rpm, Serpentine belt walking off pulleys repeatedly
Fix: Rubber isolator in harmonic balancer degrades, allowing outer ring to separate. If caught early, just balancer replacement (2-3 hours). If driven with failed balancer, vibration damages crankshaft snout requiring timing chain access or full front seal replacement. Inspect carefully during any belt service on higher-mileage units.
Estimated cost: $400-900
Hard pass unless deeply discounted with documented transmission replacement and recent head work — this platform combines FCA's worst transmission with Chrysler's problematic Tigershark engine.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.