PROBLEM GUIDE

2012–2016 Subaru Impreza Common Problems

Here's what owners are experiencing, based on our research of real owner reports and repair data.

Last updated March 2026

249

complaints filed for the 2013 model year

2012–2016

Model years affected

$255 – $4,000

Typical repair cost, by problem

A passenger airbag occupant-detection sensor failing in humid conditions or with a passenger present — leaving 'airbag OFF' despite occupancy — is described by owners as 'the number 1 concern for 2013 Subaru Impreza owners,' the largest single complaint category (~40 complaints).

Quick Scan: 13 Issues

Click a problem for the full write-up — symptoms, what we found, and typical repair costs where we have them.

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PROBLEM DETAILS

Passenger airbag sensor fails in humid conditions

Leaves "airbag OFF" despite a passenger being present

Check engine light: On

The largest single complaint category for this vehicle (~40 complaints): the passenger airbag occupant-detection sensor fails in humid conditions or with a passenger present, leaving 'airbag OFF' despite occupancy — described by owners as 'the number 1 concern for 2013 Subaru Impreza owners.'

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Wiring harness fires in climate control and window switch areas

Some cases resulted in total vehicle loss

Check engine light: On

6 documented fires for this sampled year, in the climate control and window switch areas; the 'total loss' language in some reports indicates fires severe enough to destroy the vehicle rather than being contained to a single component.

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Excessive oil consumption, unfixed at the dealer

Burning a quart every 1,500 miles, with a burning-oil smell through the vents

Check engine light: On

One owner reports burning a quart every 1,500 miles, with a burning-oil smell through the vents, reported as unfixed at the dealer.

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Complete engine failure while highway driving

Tied to a blown fuse in the wire harness, requiring ECM replacement

Check engine light: On

A sudden loss of power at highway speed with an unusual cause: a blown fuse in the wire harness caused complete engine failure, requiring ECM replacement.

$255107,000 mi

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Rear brake line corrosion, complete brake failure

"Pedal to the floor"; also reported on the Subaru Legacy

Check engine light: On

Brake line corrosion at rear distribution blocks/unions causes complete brake failure — 'pedal to the floor' — echoing the same rear-brake-line-corrosion theme found on the Subaru Legacy, researched immediately before this vehicle in the same batch.

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CVT transmission valve body defects

Sudden power loss; an extended warranty suggests the manufacturer recognized the problem

Check engine light: On

CVT transmission valve body defects cause sudden power loss and complete failure; an extended warranty exists for this issue, suggesting a known manufacturing defect. Separately, one documented $4,000 CVT failure was later refunded by Subaru, consistent with the extended-warranty pattern NHTSA describes.

$4,00088,800 mi

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Improved Spark Plug Wires for Misfire Issues

Improved spark plug wires correct misfire issues

Check engine light: Off

Improved spark plug wires correct misfire issues. This is among the more frequently reported issues on this generation, with 37 owner reports on file.

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Check engine light due to a failed knock sensor

The check engine light comes on due to a failed knock sensor

Check engine light: On

The check engine light comes on due to a failed knock sensor. This is among the more frequently reported issues on this generation, with 40 owner reports on file.

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Cooling System Problems Cause Head Gasket Failure

Cooling system problems cause head gasket failure

Check engine light: Off

Cooling system problems cause head gasket failure. This is among the more frequently reported issues on this generation, with 30 owner reports on file.

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Passenger Seatbelt Light and Alarm Issue Persists With No Passenger Present

The passenger seatbelt light and alarm issue persists with no passenger present

Check engine light: Off

The passenger seatbelt light and alarm issue persists with no passenger present. This is among the more frequently reported issues on this generation, with 20 owner reports on file.

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Oil Leak From Rear of Engine Due to Failed Plastic Oil Baffle Plate

Oil leaks from the rear of the engine due to a failed plastic oil baffle plate

Check engine light: Off

Oil leaks from the rear of the engine due to a failed plastic oil baffle plate. This is among the more frequently reported issues on this generation, with 24 owner reports on file.

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Technical Service Bulletin for ABS Control Module

A technical service bulletin addresses the ABS control module

Check engine light: Off

A technical service bulletin addresses the ABS control module. This is among the more frequently reported issues on this generation, with 12 owner reports on file.

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Engine Oil May Leak From Camshaft/Crankshaft Front Seals

Engine oil leaks from the camshaft or crankshaft front seals

Check engine light: Off

Engine oil leaks from the camshaft or crankshaft front seals. This is among the more frequently reported issues on this generation, with 20 owner reports on file.

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No recall specific to this generation has been identified covering the airbag sensor, wiring harness fire, or CVT problems below, though an extended warranty exists for the CVT defect described below, suggesting a known manufacturing issue. Enter your VIN to get the confirmed, current recall picture for your specific car.

The information on this page is for general educational purposes only and is not a diagnosis. It is compiled from aggregated owner-reported data and publicly available sources, not from an inspection of your vehicle. Symptoms described here can have multiple causes, and the presence of a commonly reported problem does not mean your vehicle has it. Repair cost ranges are estimates that vary by region, shop, vehicle condition, and parts availability. Recall and service campaign information may be incomplete or out of date — verify current recall status with NHTSA or your manufacturer. MyGearGuru is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer; manufacturer and model names are used for identification only. Always consult a qualified technician before making repair decisions.

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