P0404 on Chrysler Voyager
Factory diagnostic protocol and troubleshooting wire for fault code P0404 specifically for the Chrysler Voyager (2020–2026, 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic)).
1. Symptoms of P0404 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 P0404, 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
Compare commanded EGR percentage vs actual position voltage. on the Chrysler Voyager equipped with 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic).
Clean carbon buildup restricting valve stroke. on the Chrysler Voyager equipped with 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic).
If potentiometer is worn out, install new OEM electronic EGR valve. on the Chrysler Voyager equipped with 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic).
Clear DTCs and complete an EGR monitor drive cycle. on the Chrysler Voyager equipped with 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic).
Equipment for Diagnosing Chrysler Voyager (P0404)
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 P0404 FAQs
What causes code P0404 to trigger on a Chrysler Voyager?
On the Chrysler Voyager (3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic)), P0404 is most frequently caused by Carbon deposits restricting linear EGR pintle movement or Worn internal EGR position feedback potentiometer.
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 P0404?
Yes. Normal drivability is maintained in most conditions. Given that P0404 carries a Medium severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.