Exhaust press sensor, short circuit to +24V
â–¶ How to fix
Check the exhaust pressure sensor, check its connectors and wires.
What you'll see
No driver-visible symptom recorded.
System reaction
The system is using exhaust pressure model. No particulate filter regeneration will be performed.
Diagnostic depth
Detection
The voltage has been too high
Possible cause
Short circuit to battery voltage (U30) or loss of ground.