Front parking sensors

[Kenn]

I bought a harness with the connectors for the PDC and the fog lights, which had a connector that ended in the wheel arch, from there to the CEM I built a new harness.

Hi
Is 32217750 is the correct harness for 4 sensors and 2 front fog lights? Also, do you have a picture or a schematic for the cable from the wheel arch to the CEM?

Genuine Wire Harness for 2019-2022 Volvo | Part# 32217750 | Over 30% Off All Genuine Volvo Parts & Accessories | Volvo Parts Counter

Thanks in advance   3221775032217750322177503221775032217750

[Marcp]

Hello,

I’m not sure about that. I bought this harness for 6 PDC sensors. I didn’t use the two side ones, but since you’re doing the installation, I would run the cable together with the two fog light connectors.

Cable reference: 31453603.

I also bought a male connector to make my own interconnection cable.

For the fog light, one pin goes to chassis ground. You will find several grounding points.

On the forum you will find the fog light connections, or you can also check this wiring diagram. I don’t remember the exact pins from memory.

My recommendation: since you’re already running cables, it’s a good idea to run a few extra wires in case you want to add auxiliary lights, a siren, or any other accessory in the future.

If you have any questions, feel free to send me a private message, but remember that everything is already explained on the forum.

Important: from around 2022 onwards, I believe the PDC control is no longer handled directly by the CEM, so this manual may not apply.

Installation guide:
https://drive.google.com/file/d/1bMXwI4W...p=drivesdk

Wiring diagram:
https://drive.google.com/file/d/1DUgwt5j...p=drivesdk

[Kenn]

Hi, can anyone say how many connected pins is needed for foglight and 4 pdc? My connector has a lot of cables but just plastic dummies instead of pdc in the the front. I think there are 8 cables going to the CEM from the connector.

Thanks in advance

   

[Marcp]

Hi mate,

Each sensor has 3 wires: positive, negative, and signal.

The positive and negative are shared, so there are only 2 wires for all of them.

For the fog lights, you have 1 GND wire that goes to the chassis and 1 signal wire for each light.

In total, with 4 sensors and 2 fog lights, you have 10 wires.

I’m not sure which connector you’re looking at, but the shape doesn’t look familiar to me. The number of pins and wire colors also don’t match the diagram or your connector.

Please double-check it.

Let me know if anything.

Best regards.

[Kenn]

Hi friend

[quote pid="8757" dateline="1775335865"]
This is the connector that's In front of the left front wheel behind the fender lining (wheel arch). I'll try to attach more photos. Is this not the correct connector?
Best regards

[/quote]

[Helpful]

Replying to my own post here!

It’s funny when people just say "this has been done before, go read the forum," but they are always talking about Sensus.
Mine is the Android system. But I actually pulled it off! I successfully added 4 front parking sensors to a 2022/2023 XC60 iCup (Android) Plug-in Hybrid.
Heads up for the Android system: the parking sensors are managed by the ASDM module, which is located in the trunk!
Here is what you need for the installation:
- Front bumper wiring harness for 4 parking sensors
- 4 parking sensors
- 6 automotive-grade wires, 0.5 mm² gauge (must be automotive type with thin insulation), 9 meters each (I got 10 meters just to be safe)
- Wiring diagram
- Wire loom/conduit (around 3 meters)
- Fabric tesa/harness tape
And a lot of free time.
Additionally, I added a quick-disconnect plug right before the ASDM module. This way, when visiting an official dealership, I can easily unplug the sensors so the ASDM doesn't register anything extra. For this setup, you will also need 12 connector pins and one 6-pin connector (male + female).

The test activation went smoothly, and everything worked perfectly.

But right now, I'm a bit paranoid after those recent configuration updates where my IHU and CSM modules stopped responding.