P0049

P0049

Diagnosis information - Control unit DME (DFI)

Turbocharger Overspeed protection

Diagnostic conditions
- Full-throttle acceleration

Possible fault causes
- Boost pressure too high (P0234) at great height

Fault setting condition(s)
- Turbocharger exceeds speed limits --> approx. 170,000 ... 180,000 1/min (See [Information])

Fault effects
- Boost pressure control switched off (Boost pressure low)
- Reduction Engine torque

INFORMATION
The turbocharger's speed is calculated from various input variables.