P1252

P1252

Diagnosis information - Control unit DME (DFI)

Boost pressure adjuster Bank 1 stiff
(Electronic adjuster for turbocharger)

Diagnostic conditions
- Driving (different load ranges), then:
- Switch off ignition
- Switch on ignition

Possible fault causes
- Connecting rod (ball socket) stiff/Faulty (Electronic adjuster for Turbocharger x Turbocharger)
- Boost pressure adjuster (Electronic adjuster for turbocharger) stiff /Faulty
- Turbocharger stiff/Faulty

Fault setting condition(s)
- The electronic adjuster indicates that the current position deviates from the required position for more than 2 s by min. 2.5 °.

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