A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0521

2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)  
A L L  Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0521
Diagnosis of tumble flap 'Intake manifold' : Short circuit to ground of sensor lines / Tumble flap shafts stick in the actuated position. (P2004)

Possible cause:
- Tumble flap shafts stick in the actuated position. Affected functions:
- Engine output

------------------------------------------------
  Test 1: Diagnosis of tumble flap 'Intake manifold' : Short circuit to ground of sensor lines / Tumble flap shafts stick in the actuated position.
1. Diagnosis of tumble flap 'Intake manifold' : Short circuit to ground of sensor lines / Tumble flap shafts stick in the actuated position. Warning!Communication with ECU required.