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Home >> BMW >> 2014 >> 328d >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes (N47 & N57, Diesel) >> Fault Code Tests >> DTC P0299: BMW DTC 121531; DME -- Turbocharger/Supercharger 'A' UNDERBOOST Condition >> Fault description

Fault description

The Diagnosis monitor the charging pressure for implausibly low values.

Fault monitoring conditions:

The fault is detected when the absolute charging pressure is lower than the limit value.

Limit value: 500 mbar