Mass flow sensor (DM_EGR), short circuit to +24V
â–¶ How to fix
Check the connectors and wiring.
What you'll see
No driver-visible symptom recorded.
System reaction
The engine will use a calculated value of the mass flow and engine performance will be affected.
Diagnostic depth
Detection
The voltage has been above 4.90 V.
Possible cause
Short circuit to battery voltage (U30).