Passat Sedan L4-2.0L Turbo (BPY) (2007)
Air Bypass Valve: Customer Interest
Engine - MIL ON/DTC P0299 Stored in Memory
01 07 70
December 18, 2007
2013392 Supercedes T.B. Group 01 number 07-03 dated January 11, 2007 due to Part No. update and addition of Eos.
Affected Vehicles
Condition
MIL ON, DTC P0299 Stored in ECM Fault Memory
Technical Background
The condition may be the result of an abnormal Turbocharger Recirculating Valve -N249-.
Production Solution
Improved production.
Service
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Remove the Turbocharger Recirculating Valve from the Turbocharger Housing and visually inspect the rubber diaphragm for lacerations and/or
spring tension.
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If the diaphragm is lacerated (see picture) or if there is no spring tension:
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Replace the Turbocharger Recirculating Valve -N249-. If no rubber diaphragm damage was noted during inspection:
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Continue with diagnosis.