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P3425 — Cylinder Deactivation System — Bank 2

Cylinder deactivation fault on bank 2.

Severity: MediumRepair: $200-$3,000Difficulty: Advanced

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Common symptoms of P3425

Common causes of P3425

Repair cost & difficulty

Typical cost to fix P3425: $200-$3,000 · Difficulty: Advanced

Pro tip: Same as P3400 — AFM lifter failure is very common on GM V8s.

Vehicles commonly affected

GM, Chrysler, Honda

Related trouble codes

P3400P3401

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ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.