U0073 on Kia Telluride
Factory diagnostic protocol and troubleshooting wire for fault code U0073 specifically for the Kia Telluride (2020–2026, 3.8L Lambda II V6 (291HP / 262 lb-ft torque)).
1. Symptoms of U0073 on Kia Telluride
When the Engine Control Module (ECM/PCM) on your Kia Telluride (3.8L Lambda II V6 (291HP / 262 lb-ft torque)) logs fault code U0073, drivers commonly observe:
2. Most Likely Causes on Kia Telluride
Historical warranty claims and technical repair bulletins for Kia Telluride point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Kia Telluride
Remove any aftermarket insurance dongles, GPS trackers, or scan tools plugged into the DLC port. on the Kia Telluride equipped with 3.8L Lambda II V6 (291HP / 262 lb-ft torque).
Inspect braided ground straps on engine and transmission. Clean all contact surfaces to bare metal. on the Kia Telluride equipped with 3.8L Lambda II V6 (291HP / 262 lb-ft torque).
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 Kia Telluride equipped with 3.8L Lambda II V6 (291HP / 262 lb-ft torque).
Verify 60 ohms across Pins 6 and 14 with battery disconnected. on the Kia Telluride equipped with 3.8L Lambda II V6 (291HP / 262 lb-ft torque).
Clear DTCs from all modules and road test to verify error-free network transmission. on the Kia Telluride equipped with 3.8L Lambda II V6 (291HP / 262 lb-ft torque).
Equipment for Diagnosing Kia Telluride (U0073)
Kia Telluride OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Kia Telluride.
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 Kia Telluride
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Kia Telluride:
4. Kia Telluride U0073 FAQs
What causes code U0073 to trigger on a Kia Telluride?
On the Kia Telluride (3.8L Lambda II V6 (291HP / 262 lb-ft torque)), 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 Kia Telluride?
On the Kia Telluride, the 16-pin DLC diagnostic connector is located Under driver side dashboard near fuse box panel. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Kia Telluride 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.

