Closing the doors with the remote control and the cruise control not working.

[Thetrill]

Hello,
I recently owned a Citroen C4 Picasso 1.6BlueHDI from 2016. facelift version.

I have a problem with the door closing with the remote control not working.

I replaced the battery in the remote control.
The remote control has been checked with a tester - it sends the signal correctly.

I disconnected the battery for several minutes to restart the computer in the car.

The diagnostic computer shows two keys added to the vehicle. Unfortunately, I don't have the equipment to reprogram the key.

I checked all the fuses.

Does anyone of you know any procedure for adapting/synchronizing the key with the car?

I will add that the car starts normally after inserting the key into the slot, and the central locking system closes and opens all doors correctly using the key blade.

I will also add that today I noticed that the cruise control in this car does not work. I don't know if it's somehow related.

Diagnostic trouble codes:
B1328 Rear screen and/or mirrors control fault
B132A Air conditioning circuit low pressure
B1505 Microphone input fault
B1000 Calibration downloading foult

Thank you for all your help.

[GiveMeABreak]

Pop the VIN up so we can relate these codes to the vehicle specially.

[Thetrill]

VF7**************[VIN obfuscated, can be read by forum staff]

[GiveMeABreak]

B1328: The last 2 digits of the fault code are missing, so could be either B132811 or 15.

Fault Code:	B1328 11
Description of Fault:	Rear screen and/or mirrors de-icing control fault: Short circuit to earth. Detection of a short circuit to earth. (Activation impossible or random deactivation of the rear screen and/or door mirrors de-icing control). Conditions of activation of the diagnostics The following conditions have to be met: - Engine running - BSI output in non-operating mode (Rear screen and/or mirrors de-icing control)
Conditions for Fault to clear:	Absence of short circuit to earth
Downgrade Modes whilst Fault is active:	Deactivation of the BSI output (Rear screen and/or mirrors de-icing control)
Symptoms:	Malfunction of the de-icing of the rear screen and/or mirrors Consumption of power is excessive
Suspect Areas:	Built-in systems interface Passenger compartment fuse box (BFH3) Relay "R1" of the passenger compartment fuse box (BFH3) Electrical harness Connectors

Fault Code:	B1328 15
Description of Fault:	Rear screen and/or mirrors de-icing control fault: Open circuit or short circuit to positive. Detection of a short circuit to positive or of an open circuit (Impossible to activate the rear screen and/or door mirrors de-icing control). Conditions of activation of the diagnostics The following conditions have to be met: - Engine running - Controlled mode of the BSI output (Rear screen and/or mirrors de-icing control)
Conditions for Fault to clear:	Absence of a short circuit to positive or of an open circuit
Downgrade Modes whilst Fault is active:	Deactivation of the BSI output (Rear screen and/or mirrors de-icing control)
Symptoms:	Malfunction of the de-icing of the rear screen and/or mirrors
Suspect Areas:	Built-in systems interface Passenger compartment fuse box (BFH3) Relay "R1" of the passenger compartment fuse box (BFH3) Electrical harness Connectors

Fault Code:	B132A 84
Description of Fault:	Air conditioning circuit low pressure safety fault: Signal below the tolerance range. Low pressure safety active (For more than 1s).
Conditions for Fault to clear:	Low pressure safety inactive
Downgrade Modes whilst Fault is active:
Symptoms:	Malfunction of the production of cold air Malfunction of the regulation of the requested temperature Malfunction of the windscreen demisting/de-icing
Suspect Areas:	Air conditioning pressure sensor Electrical harness

So I would also check the refrigerant - it that gets too low the compressor will cut off and the A/C won't work as a safety measure.

B1505 Again there are missing parts to the end of the code so could be lots of issues, but they indicate generally a short circuit to positive or earth. If you've had the unit out, check all the connectors at the rear as a pin could be loose.

B1000 Can't help with this as again missing the last 2 parts of the code and without this there is no way of telling what system this refers to - could be any ECU!