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Discussion Starter #1 (Edited)
2004 407 2.2 Petrol
Have replaced the Engine Bay Fusebox with a second hand unit but now have these problems.
Sometimes will crank but not fire, turn the Key off and try again and it will go but ESP Fault on Dash.
Codes are

Heating/ventilation
F702 Passenger Compartment humidity Sensor Fault

Under inflation detection
U1108 Absence of communication on the CAN with the Engine ECU
U1105 Absence of communication on the CAN with the steering wheel angle sensor

Power Steering electric pump unit
U1105 Speed of rotation of the steering wheel information fault

ABS/Traction control
U1325 Communication with gyroscope accelerometer sensor
U1305 Steering wheel angle sensor
U1105 Steering wheel angle sensor
U1125 Communication with gyroscope accelerometer sensor

injection/ignition
P0571 Incoherence between 2 stop switches
Help please!!!!
 

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2004 407 2.2 Petrol
Have replaced the Engine Bay Fusebox with a second hand unit but now have these problems.
Sometimes will crank but not fire, turn the Key off and try again and it will go but ESP Fault on Dash.
Codes are

Heating/ventilation
F702 Passenger Compartment humidity Sensor Fault

Under inflation detection
U1108 Absence of communication on the CAN with the Engine ECU
U1105 Absence of communication on the CAN with the steering wheel angle sensor

Power Steering electric pump unit
U1105 Speed of rotation of the steering wheel information fault

ABS/Traction control
U1325 Communication with gyroscope accelerometer sensor
U1305 Steering wheel angle sensor
U1105 Steering wheel angle sensor
U1125 Communication with gyroscope accelerometer sensor

injection/ignition
P0571 Incoherence between 2 stop switches
Help please!!!!
Why did you change the BSM in the first place?

You need to connect using lexia/diagbox and clear all faults.

The faults youre getting are not related to the BSM change.

Then you need to do a BSI RESET.
Just type BSI reset peugeot in your search window
 

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Discussion Starter #5
Original BSM died completely and I think the replacement is faulty also. I have another one to try so will follow the reset procedure.
Thank you.
 

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Discussion Starter #7
Ok, I have a working Fusebox but all the errors are still present. Lots of those errors seem related to steering. Could it be a Com2000 fault?.
Battery is less than 2 years old and cranks the engine over fast.
 

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Discussion Starter #8
Today I tried a different Com2003 unit, but still getting the same errors. I was unable to use Diagbox to calibrate the Steering angle sensor due to the ESP Fault.
I have heard of faulty Brake light swirches causing these faults, is that correct?
Is there an ABS/ESC ECU?
 

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Today I tried a different Com2003 unit, but still getting the same errors. I was unable to use Diagbox to calibrate the Steering angle sensor due to the ESP Fault.
I have heard of faulty Brake light swirches causing these faults, is that correct?
Is there an ABS/ESC ECU?
There is not a seperate control box for the abs, it is the ecu and abs talking to each other.
I think you have a current issue since a lot of the faults arent as such related.
Maybe a bad ground or a blown fuse. Maybe just a bad fuse.
There was another guy in here that had a powersteering warning failure come on all the time. That was causef bad a bad (not blown) 70A fuse
 

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Discussion Starter #10
Today I removed the Brake light Switch. It has 4 terminals with 1 pair being Normally Open and the other pair Normally Closed. They both switched when I pressed the plunger. Is this correct?
I also removed the BSI/Glovebox Fusebox and checked all plugs and fuses, everything appeared to be fine.
On first start up I had no error messages at all, however after stopping the Engine and restarting it all my faults came back.
Is it correct if I replace this BSI I need to replace the Engine ECU and have matching Transponder Chips from the Key?
I have removed, cleaned and tested all Fuses.
Any Ideas???
 

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What do you mean both switched? One set should be open, the other closed at either positions (pressed, not pressed).
 

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Discussion Starter #12
One set is open and closes when pressed. The other set is closed and then opens when pressed. Both switches are changing on a press but they stay opposite of each other.
 
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