Hi experts,

I've got an issue with my front passenger door. When I lock/unlock the car with remote - no issues, works as expected. When i start the car and drive, when the auto lock engaged, i can hear lock firing 4 times, and same happens if i press lock button on the console, and once doors are locked front passenger window won't go down. If it is already open, I can still close it, but it won't open unless the lock is unlocked. If i physically disconnect DCM, then central locking works as expected. Where do i start?

Error during scan:

Address 52: Door Elect, Pass. (J387) Labels:| 5QX-959-X92-52.clb

Part No SW: 5Q4 959 592 C HW: 5Q4 959 592 B

Component: TSG BFS 009 0015

Serial number: 0000135368267 Dataset Number: 5E0157t____ 0014

Coding: 00110020D001048000001100

Shop #: WSC 73430 790 00161

ASAM Dataset: EV_DCUPasseSideEWMAXCONT 006001

ROD: EV_DCUPasseSideEWMAXCONT_VW37.rod

VCID: 4487F917CF9BD6BBAE-8010

Rear Passenger Door Control Module:

Subsystem 1 - Part No SW: 5Q0 959 811 A HW: 5Q0 959 811 A Labels: 5QX-959-81X-V1.CLB

Component: FOND_FHSG_PSG 005 0005

Serial number: 00000000000004984426

Coding: 050200

2 Faults Found:

65593 - Switch for Central Locking

B122D 29 [00001000] - Signal Implausible

Intermittent - Confirmed - Tested Since Memory Clear

Freeze Frame:

Fault Priority: 3

Fault Frequency: 254

Reset counter: 183

Mileage: 72508 km

Date: 2023.11.15

Time: 11:51:07

65652 - Motors for Central Locking

B122B 13 [00001001] - Open Circuit

Confirmed - Tested Since Memory Clear

Freeze Frame:

Fault Priority: 3

Fault Frequency: 32

Reset counter: 127

Mileage: 72508 km

Date: 2023.11.15

Time: 11:51:07

Try lubrication with some silicon spray on the lock mechanism first before you delve into replacement. Try and work the lock several times, see if that works. If no joy, then its a new door lock motor that will be needed.

A new lock motor is inexpensive if you go for a pattern part. My local trusted garage sorted mine out cheaply a couple of years ago.