: Often appears alongside code 80415B (Bonnet contact: Short circuit to ground). Common Solutions
A cylinder misfire under load is an obvious culprit. But subtle issues—like a partially clogged injector or a failing coil pack that only fails at high RPM—cause tiny, rapid torque fluctuations that the DME’s torque model cannot follow. The DME logs 80416D before it sets a standard misfire code (P030X). bmw 80416d
If the hood isn't sitting perfectly flush, the switch may not be fully depressed, triggering an "intermittent" open signal as the car vibrates during driving. : Often appears alongside code 80415B (Bonnet contact:
Because this sensor is part of the vehicle’s anti-theft system, a faulty switch can cause the car alarm to go off randomly while parked. The DME logs 80416D before it sets a
Use an electronic cleaner or compressed air to remove gunk from the hood latches where the microswitches are located.
Do not replace parts randomly. Follow this logical, professional workflow.