U0073 on Chrysler Voyager
Factory diagnostic protocol and troubleshooting wire for fault code U0073 specifically for the Chrysler Voyager (2020–2026, 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic)).
1. Symptoms of U0073 on Chrysler Voyager
When the Engine Control Module (ECM/PCM) on your Chrysler Voyager (3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic)) logs fault code U0073, drivers commonly observe:
2. Most Likely Causes on Chrysler Voyager
Historical warranty claims and technical repair bulletins for Chrysler Voyager point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Chrysler Voyager
Remove any aftermarket insurance dongles, GPS trackers, or scan tools plugged into the DLC port. on the Chrysler Voyager equipped with 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic).
Inspect braided ground straps on engine and transmission. Clean all contact surfaces to bare metal. on the Chrysler Voyager equipped with 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic).
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 Chrysler Voyager equipped with 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic).
Verify 60 ohms across Pins 6 and 14 with battery disconnected. on the Chrysler Voyager equipped with 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic).
Clear DTCs from all modules and road test to verify error-free network transmission. on the Chrysler Voyager equipped with 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic).
Equipment for Diagnosing Chrysler Voyager (U0073)
Chrysler Voyager OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Chrysler Voyager.
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 Chrysler Voyager
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Chrysler Voyager:
4. Chrysler Voyager U0073 FAQs
What causes code U0073 to trigger on a Chrysler Voyager?
On the Chrysler Voyager (3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic)), 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 Chrysler Voyager?
On the Chrysler Voyager, the 16-pin DLC diagnostic connector is located Driver lower kick panel near hood release lever. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Chrysler Voyager 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.

