Widespread recalls due to faulty Takata airbag inflators that can rupture and expel metal fragments. Many complaints stem from delayed remedy part availability. Estimated repair cost: $0 (Recall).

Service Brakes Issues

Complaints include inconsistent braking feel, unintended acceleration during braking, and the vehicle creeping forward when stopped. Some owners report brake pedal losing pressure and going to the firewall. Estimated repair cost: $400 - $800.

Electrical System Problems

Rodent damage to soy-based wiring harnesses is a recurring issue, leading to malfunctions in various systems (ABS, 4WD, backup camera). Backup camera failures and general electrical gremlins are also reported. Estimated repair cost: $200 - $1,000+.

Issues with the Evaporative Emission Control System, often related to a failed charcoal canister, can trigger check engine lights. Estimated repair cost: $200 - $500.

CARFOCALvehicle research

2012 Toyota 4Runner Maintenance guide

Name: Maintenance dataset for 2012 Toyota 4Runner
Creator: Carfocal

v1.0Updated May 30, 2026Ethan Miller4 Sources Analyzed7 Critical Recalls

MAINTENANCE SUMMARY

The 2012 Toyota 4Runner, with 11 recalls and 110 complaints, presents a mixed ownership experience. Key concerns include the pervasive Takata airbag recalls and reported issues with the service brakes and electrical system.

View Critical Issue: Cracked Cylinder Head

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Reliability Score

Est. Annual Maintenance Cost

$500 - $700

TSBs & Recalls

164 TSBs | 11 Recalls

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Key Takeaways

The 2012 Toyota 4Runner is significantly impacted by Takata airbag recalls, leading to numerous complaints.
Owners should be aware of potential issues with the service brakes and electrical system, including rodent damage to wiring.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance