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U0073VolvoVolvo XC60 HubAll Volvo U0073Critical Severity

U0073 on Volvo XC60

Control Module Communication Bus A Off

Factory diagnostic protocol and troubleshooting wire for fault code U0073 specifically for the Volvo XC60 (2020–2026, 2.0L Turbo B5 (247HP) / B6 (295HP) / T8 Recharge PHEV (455HP)).

Verified OEM Telemetry & Field Repair Tree
Volvo XC602020–2026
Volvo XC60
SUV2.0L Turbo B5 (247HP) / B6 (295HP) / T8 Recharge PHEV (455HP)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
XC60 SAE Mode $01
ECU Network Bus
500 kbps CAN-FD
ISO 15765-4 Compliant
Drivability Status
Not Recommended
Critical urgency level
Est. Repair Cost
$150 - $850 (DIY: $40 - $200)
Parts & Labor DIY
Check U0073 On Another Volvo Model:
Diagnose U0073 on Specific XC60 Model Year:

1. Symptoms of U0073 on Volvo XC60

When the Engine Control Module (ECM/PCM) on your Volvo XC60 (2.0L Turbo B5 (247HP) / B6 (295HP) / T8 Recharge PHEV (455HP)) logs fault code U0073, drivers commonly observe:

StabiliTrak / Traction / ABS / Engine warning lights lit on Volvo XC60 (2.0L Turbo B5 (247HP) / B6 (295HP) / T8 Recharge PHEV (455HP))
Transmission shifting harshly or refusing to shift out of 2nd gear on Volvo XC60 (2.0L Turbo B5 (247HP) / B6 (295HP) / T8 Recharge PHEV (455HP))
No communication with TCM, ABS, or BCM on Volvo XC60 (2.0L Turbo B5 (247HP) / B6 (295HP) / T8 Recharge PHEV (455HP))
Engine may refuse to crank on Volvo XC60 (2.0L Turbo B5 (247HP) / B6 (295HP) / T8 Recharge PHEV (455HP))
Volvo XC60 OBD-II Port Location
The 16-pin diagnostic connector is located Driver lower kick panel near OBD door. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Volvo XC60

Historical warranty claims and technical repair bulletins for Volvo XC60 point to the following failure distribution:

55%
Loose or corroded ground connection on transmission or frame (Volvo OEM Part)
25%
Faulty Transmission Control Module (TCM) or ABS module pulling bus down (Volvo OEM Part)
12%
Poor connection at large body-to-chassis pass-through harness connector (Volvo OEM Part)
8%
Aftermarket accessory (remote starter, GPS tracker, cheap OBD scanner) broadcasting invalid data (Volvo OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for Volvo XC60.

3. Step-by-Step DIY Repair Guide for Volvo XC60

01
Unplug All Aftermarket OBD-II Devices

Remove any aftermarket insurance dongles, GPS trackers, or scan tools plugged into the DLC port. on the Volvo XC60 equipped with 2.0L Turbo B5 (247HP) / B6 (295HP) / T8 Recharge PHEV (455HP).

Required Tool: None
02
Inspect Frame and Transmission Ground Straps

Inspect braided ground straps on engine and transmission. Clean all contact surfaces to bare metal. on the Volvo XC60 equipped with 2.0L Turbo B5 (247HP) / B6 (295HP) / T8 Recharge PHEV (455HP).

Required Tool: Wire Brush, Sockets
03
Perform Full Vehicle Network Topology Scan

Scan all modules on vehicle. Note which modules are online and which are offline to pinpoint the break in the network daisy-chain. on the Volvo XC60 equipped with 2.0L Turbo B5 (247HP) / B6 (295HP) / T8 Recharge PHEV (455HP).

Required Tool: Full-System OBD-II Diagnostic Scanner
04
Check Terminating Resistance (60 Ohms)

Verify 60 ohms across Pins 6 and 14 with battery disconnected. on the Volvo XC60 equipped with 2.0L Turbo B5 (247HP) / B6 (295HP) / T8 Recharge PHEV (455HP).

Required Tool: Multimeter
05
Clear All System DTCs & Road Test

Clear DTCs from all modules and road test to verify error-free network transmission. on the Volvo XC60 equipped with 2.0L Turbo B5 (247HP) / B6 (295HP) / T8 Recharge PHEV (455HP).

Required Tool: Scan Tool
Recommended Parts & Testing Tools

Equipment for Diagnosing Volvo XC60 (U0073)

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Direct-Fit Replacement Part

Volvo XC60 OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for Volvo XC60.

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Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

$29.99 Prime
View on Amazon
Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

Compare OEM & Aftermarket Replacement Sensors for Volvo XC60Verified direct-fit pricing from Denso, Bosch, Motorcraft, and ACDelco on Amazon.
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Other Common Fault Codes on Volvo XC60

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Volvo XC60:

4. Volvo XC60 U0073 FAQs

What causes code U0073 to trigger on a Volvo XC60?

On the Volvo XC60 (2.0L Turbo B5 (247HP) / B6 (295HP) / T8 Recharge PHEV (455HP)), U0073 is most frequently caused by Loose or corroded ground connection on transmission or frame or Faulty Transmission Control Module (TCM) or ABS module pulling bus down.

Where is the OBD-II port located on my Volvo XC60?

On the Volvo XC60, the 16-pin DLC diagnostic connector is located Driver lower kick panel near OBD door. 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 XC60 with code U0073?

No. Bus is shut down due to excessive transmission errors, leaving vehicle in unpredictable limp mode. Given that U0073 carries a Critical severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.