KNOWN FAULTS · Jeep

Jeep Renegade 1.4 MultiAir common problems.

2014–2026 · Petrol

Sources are not verified in real time and no entry confirms that your car is affected.

4 known faults with sources

MultiAir actuator starved of oil pressureValvetrain (MultiAir actuator)

Engine / equipment: 1.4 MultiAir (naturally aspirated and turbo) and the 0.9 TwinAir, which uses the same system: Fiat 500, Punto, Tipo, 500X; Alfa MiTo and Giulietta; Jeep Renegade and Compass; Abarth
Period mentioned: 2009–2024
Symptoms: Hard or rough cold starts, hesitation, stalling and an engine light with P1523 (low oil pressure in the MultiAir system).
Possible cause described: The intake valves are operated by oil pressure through an electro-hydraulic block. Degraded oil, a low level or a dirty secondary filter starve the system of pressure, and over time the actuator fails internally.
Check for the garage: Change the oil and filter with the correct specification, inspect the MultiAir mesh filter and measure oil pressure before replacing the actuator.
Cost cited in the source: Oil change: the cheapest step and often enough; MultiAir actuator: approx. €650–1,400 (converted from dollars)A rough figure from the original database, not an up-to-date quote.

Applies if: Only cars built up to 21/2/2020 without a drain hole in the silencer.

Won't start in frost because of frozen water in the silencer (500X, Renegade and Compass)Exhaust and emissions

Engine / equipment: Fiat 500X (2016–2020), Jeep Renegade (2015–2020) and Jeep Compass (2017–2018) built without a drain hole in the silencer
Period mentioned: 2015–2020
Symptoms: Below freezing the starter turns but the engine does not start; on days without frost it starts fine. More likely after short trips.
Possible cause described: Condensation water collects in the rear silencer and freezes, blocking the exhaust. FCA bulletin 09-004-20 (also valid in Europe) says to drill a 3 mm drain hole in the silencer.
Check for the garage: Ask the garage about bulletin 09-004-20 and whether the silencer already has the drain hole; until then, avoid leaving the car outside in frost right after a very short trip.
Cost cited in the source: Short garage job: drilling a drain hole; ask for a quote.A rough figure from the original database, not an up-to-date quote.

Applies if: Bulletin for Latin America, cars built up to 31/7/2019.

ABS and stability warning lights caused by oxidised or wet wheel speed sensorsBrakes / electronics

Engine / equipment: Renegade and Compass (II)
Period mentioned: 2018–2019
Symptoms: The ABS, stability control and engine warning lights come on together, especially after washing the car or in rain, and sometimes go off by themselves; codes C0031, C0034, C0037 or C003A.
Possible cause described: The wheel speed sensors oxidise or let water in. FCA has all four replaced (bulletin 05-001-20, October 2020) on Renegade and Compass cars built up to 31/7/2019 for Latin America.
Check for the garage: With the ABS light on the brakes work, but without ABS or stability control: drive carefully and go to the garage soon, where they can read the wheel sensor codes.
Cost cited in the source: No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Applies if: Weak points of this model from inspections, breakdown statistics and recalls; anything specific to one engine is stated in the sheet.

1.4 MultiAir turbo, oil dilution, 9-speed gearbox and campaigns on the RenegadeKnown weak points

Engine / equipment: Jeep Renegade (petrol, diesel and 4xe)
Period mentioned: 2014 onwards
Symptoms: The early 1.4 MultiAir turbo; oil dilution on the direct-injection petrols even at low mileage; a ZF 9-speed (4x4) that shifts badly from 4th to 5th; cracking door seals, wind noise and Uconnect faults; on diesels, typical high-mileage wear.
Possible cause described: Recalls (KBA): rear centre buckle (6/10/2014–21/1/2015), towbar (25/8/2014–25/6/2016), a 9-speed gearbox connection that could shift to neutral (2014–2015), an incorrectly updated airbag module (13/3/2018–6/4/2019) and curtain-airbag connectors (2020–2021).
Check for the garage: Check every campaign by VIN; check the oil level (dilution); test the automatic shifts.
Cost cited in the source: No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.