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p2279
Easy Fix
Volkswagen · SUVs
Intake Air System Leak
Quick Answer
Error code P2279 on your Volkswagen SUVs means: Intake Air System Leak. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
CAID4ID6B25N5N-LWBCRAtlas Cross Sport SE 2024Atlas Cross Sport SEL 2024Atlas Cross Sport SEL R-Line 2024Atlas SE 2024Atlas SEL 2024Atlas SEL Premium R-Line 2024ID.4 Pro 2024ID.4 Pro S 2024ID.4 Pro S Plus 2024ID.4 Standard 2024Taos S 2024Taos SE 2024Taos SEL 2024Tiguan S 2024Tiguan SE 2024Tiguan SEL 2024Tiguan SEL R-Line 2024
Likely Causes
  1. Cracked or loose turbo inlet pipe or intercooler hose
  2. Failed intake manifold gasket
  3. Torn or disconnected PCV hoses or breather pipes
  4. Leaking diverter valve diaphragm
  5. Cracked charge pipe or intercooler end tank
How to Fix It
1
Visually inspect all intake piping from the turbo outlet to the throttle body for loose clamps or cracks
2
Perform a smoke test on the intake system to pinpoint the exact location of the leak
3
Check the PCV valve, oil separator, and all breather hoses for cracks or disconnections
4
Inspect the diverter valve for a torn diaphragm by removing and applying vacuum
5
Replace any damaged boots, pipes, or gaskets and torque all clamps to specification
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Turbo inlet pipe or charge pipe
Intake manifold gasket
PCV valve and hoses
Diverter valve
Intercooler hose clamps
Related Error Codes
P0171P0300P0301P0420P0411
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