2013–2015 Toyota Avalon: Brake warning light (hybrid brake booster)
Likely causes, ranked
- Brake booster or booster pump assembly (replaced under Toyota coverage)$0–$0Shop
Real-owner fix counts will appear here as reports come in.
DIY or shop: See DIY or shop section
Parts to check
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Symptom: Brake warning lights, a buzzing pump, and changes in brake feel.
Likely causes
- Brake booster/pump. Toyota extended coverage for the hybrid brake booster on these Avalons.
DIY or shop?
Dealer.
Useful steps
- Read the brake codes.
- Ask the dealer about the coverage.
Vehicle focus: 2013–2015 Toyota Avalon.
Safety / mechanic note
Brake problems are safety-critical. Verify with a mechanic before driving.
Related trouble codes
Recalls & service bulletins
Technical service bulletins
- Toyota hybrid brake booster coverage Coverage for verified brake booster/pump failures on 2013–2015 Avalon Hybrid with brake warning lamps and codes C1391, C1252, C1256 or C1253 (secondary coverage to 10 years/150,000 miles). Details
NHTSA complaints: 46 keyword-matched complaints (of 297 unique complaints filed under NHTSA model names AVALON HYBRID, 2013–2015; NHTSA complaints API by model year, queried 2026-10-15).
Always check your VIN for open recalls at nhtsa.gov/recalls.
Sources
What actually fixed it?
Had this problem? Tell other owners what the real fix was. Reports are counted above; we never show made-up numbers.