p0299
Moderate
Suzuki · SUVs & Crossovers
Turbocharger/Supercharger Underboost Condition
Quick Answer
Error code P0299 on your Suzuki SUVs & Crossovers means: Turbocharger/Supercharger Underboost Condition. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
WB32T100FF21JB74JCZC33LY
Likely Causes
  1. Faulty turbocharger wastegate valve
  2. Boost pressure sensor malfunction
  3. Turbo bearing wear or damage
  4. Intercooler leak
  5. Intake manifold leak
How to Fix It
1
Test boost pressure sensor signal and accuracy
2
Inspect turbo for bearing play and damage
3
Check wastegate valve operation
4
Perform boost pressure test
5
Inspect intercooler and pipes for leaks
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Turbocharger assembly
Boost pressure sensor
Wastegate valve
Intercooler
Boost gauge and testing equipment
Related Error Codes
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