P1477, Leakage Diagnostic Pump Reed Switch Did Not Open (BMW)

P1353 Valve lift control cylinder X - small lift
Possible fault causes:
- Fuel injector faulty or borderline (opens too late/ not long enough/ not enough/ leaking)
- Valve lifter of the specified cylinder faulty (intake valve of the specified cylinder gets stuck during the small lift)
P1372 Valve lift control, bank 1
Possible fault causes:
- Insufficient oil supply for faulty bank 1 (e.g., due to faulty scavenging restrictor in the cylinder head, dirt in the oil circuit, ... )
- Greatly differing exhaust backpressure values between the banks (e.g., due to constricted or blocked opening of an exhaust branch)
- Loose contact or corrosion on connectors or lines
- Solenoid hydraulic valve for valve lift control on bank 1 faulty
- Incorrectly adjusted timing of the intake or exhaust camshaft of a bank
- An oxygen sensor is aged or faulty
P2404 Leakage diagnosis pump, Reed switch
Possible fault causes:
- Vacuum system leaking
- The system consists of the mechanical vacuum pump (on the vehicle engine), the leakage diagnosis pump, the intake pipe switch-over valve and, where appropriate, the exhaust flaps in the rear muffler
- Vacuum pump has mechanical fault
- Tank vent valve stuck in closed position
- Purge-air line between tank vent valve and carbon canister blocked
- Short circuit to B+/ground or open circuit in signal line
- Leakage diagnosis pump faulty

https://blog.bavauto.com/5677/bmw-e46-3-series-engine-electronics-fuse-pack-in-underhood-e-box/

Fuse 1 - 30A - DME, Injectors, SMG Hydraulic unit
Fuse 2 - 30A - DME, Idle control valve, Fuel tank ventilation valve, Fuel pump
Fuse 3 - 20A - E-box fan, Transmission RPM sensor, Camshaft positioning sensors, Mass airflow sensor, Fuel pump relay, Secondary air pump relay, A/C Compressor relay, Fuel tank leakage diagnostic module, SMG selector lever
Fuse 4 - 30A - Oxygen sensors and oxygen sensor heater circuits.
Fuse 5 - 30A - Fuel injector relay.

code p 1447 refers to diagnostic module tank leakage (DM-TL) pump too high during switching
the code is manufacturer specific so at this point , go to a service dealer and ask what that all means
if you don't get sense there find an accredited service center with experience on BMW cars and get it explained

Where is the module located in a 2009 BMW 528ixdrive

Hi Robert, No it is not normal for the coolant level to drop at any time. The BMW has a system which must be bled to free it of all air. The bleed screw is situated on the radiator and has a screw driver slot. Open the bleed screw and replace the coolant with the recommended coolant and then finish topping up with water until all bubbles have cleared from the system. Observe the level and if it drops again have a pressure test carried out on the system as if the level drops again, there must be a leakage. Likely places are hoses, and the water pump. If it is the water pump, the leakage may only be evident during engine operation, unless the leakage is severe in which case you will notice coolant dripping. Regards John

Fault codes do not have a single reason for being set, there are multiple reasons. here is the info you need to know about this code.
P1447 - Evaporative Emission Control System Purge Flow Monitor
Possible causes- EVAP canister purge volume control solenoid valve stuck closed
- EVAP control system pressure sensor and the circuit
- Loose, disconnected or improper connection of rubber tube
- Blocked rubber tube
- Cracked EVAP canister
- EVAP canister purge volume control solenoid valve circuit
- Closed throttle position switch
- Blocked purge port
- Closed throttle position switch

Im going throught this problem also P1477 code on my E46/99 bmw 328i, also dont forget to check all the vacume lines, it is very common on this car that the hoses they use go rotten very quick, along with the intake tubes or elbows, i found massive holes on my mine also many vacume lines damaged, i still have the 1477 code, but ive seen various post were people swapped the fuel breather valve, i checked all the canister tours the rear of the vehicle, they all seemed fine , no broken lines, everything is tight but the fuel breather valve its only between 80 to 100$, compare to the 350$ canister... go figure, and its fixed quite a few cars, so ill give it try, wipe the codes, and hope it doesnt come back, good luck....

2001 bmw 740iL with code p1441 is the leakage diagnostic pump, you will need to check the connection to the pump and also test the evap system for any leaks, you may have a leak in the system, may be a loose gas cap or a line leaking, this system is for the fuel vapors, there are lines that run from the fuel tank to engine and is filtered into a canister and theres valves and leakage pump in lines, a smoke machine would be needed along with a scan tool to check valves and get readings from system.you can check the gas cap and look around for broken lines. good day

Code P1477 means: EVAP LDP Circuit Malfunction. (It may just be a faulty gas cap)

Leakage Diagnostic Pump Reed Switch Did Not Open