U0073 on Jeep Cherokee
Factory diagnostic protocol and troubleshooting wire for fault code U0073 specifically for the Jeep Cherokee (2020–2026, 2.4L Tigershark MultiAir / 2.0L Turbo (270HP) / 3.2L Pentastar V6).
1. Symptoms of U0073 on Jeep Cherokee
When the Engine Control Module (ECM/PCM) on your Jeep Cherokee (2.4L Tigershark MultiAir / 2.0L Turbo (270HP) / 3.2L Pentastar V6) logs fault code U0073, drivers commonly observe:
2. Most Likely Causes on Jeep Cherokee
Historical warranty claims and technical repair bulletins for Jeep Cherokee point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Jeep Cherokee
Remove any aftermarket insurance dongles, GPS trackers, or scan tools plugged into the DLC port. on the Jeep Cherokee equipped with 2.4L Tigershark MultiAir / 2.0L Turbo (270HP) / 3.2L Pentastar V6.
Inspect braided ground straps on engine and transmission. Clean all contact surfaces to bare metal. on the Jeep Cherokee equipped with 2.4L Tigershark MultiAir / 2.0L Turbo (270HP) / 3.2L Pentastar V6.
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 Jeep Cherokee equipped with 2.4L Tigershark MultiAir / 2.0L Turbo (270HP) / 3.2L Pentastar V6.
Verify 60 ohms across Pins 6 and 14 with battery disconnected. on the Jeep Cherokee equipped with 2.4L Tigershark MultiAir / 2.0L Turbo (270HP) / 3.2L Pentastar V6.
Clear DTCs from all modules and road test to verify error-free network transmission. on the Jeep Cherokee equipped with 2.4L Tigershark MultiAir / 2.0L Turbo (270HP) / 3.2L Pentastar V6.
Equipment for Diagnosing Jeep Cherokee (U0073)
Jeep Cherokee OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Jeep Cherokee.
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 Jeep Cherokee
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Jeep Cherokee:
4. Jeep Cherokee U0073 FAQs
What causes code U0073 to trigger on a Jeep Cherokee?
On the Jeep Cherokee (2.4L Tigershark MultiAir / 2.0L Turbo (270HP) / 3.2L Pentastar V6), 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 Jeep Cherokee?
On the Jeep Cherokee, the 16-pin DLC diagnostic connector is located Under driver side lower dash trim 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 Jeep Cherokee 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.

