GSIC - Global Service Information Center

### DTC P0234/34 Turbocharger / Supercharger Overboost Condition

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0234/34, P0299/34 AND /OR P1251/34)

READ DATA LIST (MAP)

CHECK EXHAUST SYSTEM

CHECK AIR CLEANER FILTER

CHECK INTAKE SYSTEM

INSPECT TURBOCHARGER SUB-ASSEMBLY

CHECK ECM (VNTI VOLTAGE)

CHECK ECM (VNTO VOLTAGE)

CHECK EGR VALVE ASSEMBLY

INSPECT INTAKE AIR TEMPERATURE SENSOR