Mass flow sensor (DM_EGR), short circuit to ground or open load
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 below 0.10 V.
Possible cause
The cables or connectors have been damaged causing a short circuit to ground (U31) or open load.