U0104 on Volvo S60
Factory diagnostic protocol and troubleshooting wire for fault code U0104 specifically for the Volvo S60 (2020–2026, 2.0L B5 (247HP) / T8 Recharge PHEV (455HP AWD)).
1. Symptoms of U0104 on Volvo S60
When the Engine Control Module (ECM/PCM) on your Volvo S60 (2.0L B5 (247HP) / T8 Recharge PHEV (455HP AWD)) logs fault code U0104, drivers commonly observe:
2. Most Likely Causes on Volvo S60
Historical warranty claims and technical repair bulletins for Volvo S60 point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Volvo S60
Clean snow, ice, mud, or dead bugs off front radar emblem. on the Volvo S60 equipped with 2.0L B5 (247HP) / T8 Recharge PHEV (455HP AWD).
Verify power feed to radar sensor. on the Volvo S60 equipped with 2.0L B5 (247HP) / T8 Recharge PHEV (455HP AWD).
Execute optical/radar alignment procedure if bumper was removed. on the Volvo S60 equipped with 2.0L B5 (247HP) / T8 Recharge PHEV (455HP AWD).
Clear DTCs and test cruise on highway. on the Volvo S60 equipped with 2.0L B5 (247HP) / T8 Recharge PHEV (455HP AWD).
Equipment for Diagnosing Volvo S60 (U0104)
Volvo S60 OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Volvo S60.
AstroAI Auto-Ranging Digital Multimeter
Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.
BlueDriver Bluetooth Pro OBDII Scan Tool
Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.
Other Common Fault Codes on Volvo S60
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Volvo S60:
4. Volvo S60 U0104 FAQs
What causes code U0104 to trigger on a Volvo S60?
On the Volvo S60 (2.0L B5 (247HP) / T8 Recharge PHEV (455HP AWD)), U0104 is most frequently caused by Blocked or dirty front radar sensor in grille/bumper or Blown radar module fuse.
Where is the OBD-II port located on my Volvo S60?
On the Volvo S60, the 16-pin DLC diagnostic connector is located Driver lower dash trim above foot pedal cluster. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Volvo S60 with code U0104?
Yes. Normal driving is unaffected, but Adaptive Cruise Control will not engage. Given that U0104 carries a Low severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.