What are the most common Hyundai Elantra problems?
According to Au7o's analysis of 345+ owner reports, the 2009 Hyundai Elantra has 4 documented issues. The most frequently reported are: Airbag Sensor and Control Module Malfunction, ABS Module Short Circuit Causing Engine Compartment Fire (Recall 20V061), P0011 — Intake Camshaft Timing Over-Advanced (Bank 1) from Stuck CVVT Oil Control Valve. Of these, 2 are rated critical and should be addressed promptly.
Is the Hyundai Elantra reliable?
The 2009 Hyundai Elantra has 4 known issues documented across 345+ owner reports. 2 issues are rated critical: Airbag Sensor and Control Module Malfunction and ABS Module Short Circuit Causing Engine Compartment Fire (Recall 20V061). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Hyundai Elantra problems?
Repair costs for known Hyundai Elantra issues range from $0 to $500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Airbag Sensor and Control Module Malfunction, typically costs $0-$500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2007-2013 Hyundai Elantra Airbag Sensor and Control Module Malfunction?
Multiple airbag-related recalls affect Elantras due to driver seat track position sensor issues and passenger weight sensor contamination. The driver's airbag may deploy at incorrect pressure, and the passenger airbag may deploy regardless of occupant weight. Nearly 285,000 vehic… Repairs typically run $0-$500. Severity: high.
What is the 2006-2011 Hyundai Elantra ABS Module Short Circuit Causing Engine Compartment Fire (Recall 20V061)?
The anti-lock brake (ABS) hydraulic control module stays electrically energized even after the car is shut off. Over time, moisture can intrude into the module's circuit board and create a slowly developing electrical short. Because the circuit is live with the key off, the short… Repairs typically run $0-$0. Severity: high.
What is the 2009-2020 Hyundai Elantra P0011 — Intake Camshaft Timing Over-Advanced (Bank 1) from Stuck CVVT Oil Control Valve?
P0011 sets when the intake camshaft is more advanced than the PCM commanded (or the CVVT system won't respond correctly). On the Elantra this is most often a stuck/clogged intake Oil Control Valve (CVVT solenoid): the valve's fine internal screen plugs with oil varnish/sludge, so… Repairs typically run $120-$400. Severity: medium.
What is the 2007-2020 Hyundai Elantra P0171 — System Too Lean (Bank 1) from Vacuum Leak / Dirty MAF?
On the Elantra's inline-4 (Beta II 2.0L in 2007-2010, Nu 2.0L in 2011+), P0171 means fuel trims have gone too positive because unmetered air is entering the engine. The classic Elantra trigger is a vacuum leak — most often a hardened/cracked PCV hose or a leaking intake-manifold… Repairs typically run $50-$450. Severity: medium.
