All codes › P0299
P0299: Turbocharger/Supercharger "A" Underboost Condition
What it means
The turbo or supercharger isn't making as much boost as commanded.
Severity: Medium Low power; usually drivable.
Common causes
- Boost leak (cracked hose, intercooler)
- Wastegate stuck open
- Failing turbo
- Faulty boost control solenoid
Most common causes first. Exact causes vary by make, model and engine.
Can I fix it myself?
Sometimes DIY. Check intercooler hoses and clamps for boost leaks.
Repair cost
SEEDED ESTIMATE Roughly $140–$780
Most likely repair: boost solenoid / wastegate parts. Diagnosis fees, taxes and other causes are not included.
| Line | Low | High | Basis |
|---|---|---|---|
| Boost solenoid / wastegate parts | $40 | $300 | Editorial placeholder, parts price not yet cited |
| Labor 1–3 hr | $100 | $480 | $100–$160/hr, shop survey |
⚠️ This is an editorial placeholder range for this type of repair. It is not based on real invoices or licensed pricing data yet. Real ranges will appear here once enough reader invoices for P0299 are verified.
Verified reader invoices for P0299: 0. Share your repair bill to help build real costs.
Tools that can read P0299
- ScanFixAI: Pro $29.99/mo or $249.99/yr
- OBDAI: Annual PRO bundle $299
- BlueDriver Pro Next-Gen: $119.95 list ($99.95 sale seen)
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