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+--- Thread: Calibrating the Occupant Weight Sensor (OWS) SPA II (/showthread.php?tid=956)
Calibrating the Occupant Weight Sensor (OWS) SPA II - Helpful - 07-16-2025
Auto Volvo XC60 SPA ICup (AAOS).
Now I have a message that the passenger is always present in the seat. I converted the European passenger seat and switched the passenger presence sensor from European to US, to a gel cushion. I've already checked and it seems that the leather seat cushion cover (32357793) and the seat cushion foam (31498851) all match the American market. I've already completely disconnected the leather cover to relieve pressure on the sensor, but it didn't help. Only when I lift the seat cushion a little does the message about the passenger presence disappear, so the sensor is working. I kept installing the sensor from my old seats and the sensor still signals about the passenger. I disconnected the battery and waited, it didn't help either.
In the ECU Tools section in the SRS subsection there is a position #205D - occupant weight sensor (ows) calibration response#, its diagnosed but how do I run this calibration? Now when diagnosing (5B4C) there are no errors on the sensor but it shows that the sensor has "small weight".
How can I calibrate the occupant weight sensor (OWS)? Is such a calibration operation even possible?
RE: Calibrating the Occupant Weight Sensor (OWS) SPA II - Shyrik - 08-27-2025
Hi. I have the same problem. Did you manage to solve it?
RE: Calibrating the Occupant Weight Sensor (OWS) SPA II - Helpful - 09-02-2025
(08-27-2025, 09:19 PM)Shyrik Wrote: Hi. I have the same problem. Did you manage to solve it?
Hi! No, I couldn't solve anything or find at least a way to solve it. The only thing is, since the car is from the USA, I returned it back to the information system like in America. And this is an alarm about an unfastened passenger, it signals 5 times and then the indicator on the instrument panel stops glowing very quickly.
RE: Calibrating the Occupant Weight Sensor (OWS) SPA II - Shyrik - 09-06-2025
(09-02-2025, 07:31 PM)Helpful Wrote:I had the same problem. I cut out a space in the filler for this sensor, because I didn't want anything to put too much pressure on it. Then I went to the dealer, and Vida has the option to calibrate this sensor. They calibrated it. I don't have this problem anymore. However, I want to reiterate that it's important to cut out a space in the filler to reduce the pressure on the sensor. If there's too much pressure, the sensor may not calibrate properly.(08-27-2025, 09:19 PM)Shyrik Wrote: Hi. I have the same problem. Did you manage to solve it?
Hi! No, I couldn't solve anything or find at least a way to solve it. The only thing is, since the car is from the USA, I returned it back to the information system like in America. And this is an alarm about an unfastened passenger, it signals 5 times and then the indicator on the instrument panel stops glowing very quickly.
RE: Calibrating the Occupant Weight Sensor (OWS) SPA II - Helpful - 09-09-2025
(09-06-2025, 07:47 AM)Shyrik Wrote:(09-02-2025, 07:31 PM)Helpful Wrote:I had the same problem. I cut out a space in the filler for this sensor, because I didn't want anything to put too much pressure on it. Then I went to the dealer, and Vida has the option to calibrate this sensor. They calibrated it. I don't have this problem anymore. However, I want to reiterate that it's important to cut out a space in the filler to reduce the pressure on the sensor. If there's too much pressure, the sensor may not calibrate properly.(08-27-2025, 09:19 PM)Shyrik Wrote: Hi. I have the same problem. Did you manage to solve it?
Hi! No, I couldn't solve anything or find at least a way to solve it. The only thing is, since the car is from the USA, I returned it back to the information system like in America. And this is an alarm about an unfastened passenger, it signals 5 times and then the indicator on the instrument panel stops glowing very quickly.
Thanks for the information!!! The first thing I did was call the dealer and they categorically told me that they can't calibrate this sensor. I don't even know how
Now I'll try to ask another dealer.
RE: Calibrating the Occupant Weight Sensor (OWS) SPA II - Shyrik - 09-09-2025
This needs to be looked for in Vida
- 4/176 Supplemental Restraint System Module (SRS).
The name may not be exact, but they should be able to find it using the digital code.
