P2004 on Chrysler Pacifica Hybrid
Factory diagnostic protocol and troubleshooting wire for fault code P2004 specifically for the Chrysler Pacifica Hybrid (2020–2026, 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV)).
1. Symptoms of P2004 on Chrysler Pacifica Hybrid
When the Engine Control Module (ECM/PCM) on your Chrysler Pacifica Hybrid (3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV)) logs fault code P2004, drivers commonly observe:
2. Most Likely Causes on Chrysler Pacifica Hybrid
Historical warranty claims and technical repair bulletins for Chrysler Pacifica Hybrid point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Chrysler Pacifica Hybrid
Check the mechanical plastic linkage arms at the end of the intake manifold. Verify arms are not popped off or broken. on the Chrysler Pacifica Hybrid equipped with 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV).
Move the runner lever by hand. It should spring back smoothly without binding or gritty resistance. on the Chrysler Pacifica Hybrid equipped with 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV).
Command IMRC open and closed with bi-directional scan tool or check vacuum supply to diaphragm. on the Chrysler Pacifica Hybrid equipped with 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV).
Replace the broken linkage/actuator motor or remove manifold to clean heavy carbon deposits around the butterfly flaps. on the Chrysler Pacifica Hybrid equipped with 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV).
Clear trouble codes and confirm low-end acceleration is restored. on the Chrysler Pacifica Hybrid equipped with 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV).
Equipment for Diagnosing Chrysler Pacifica Hybrid (P2004)
Chrysler Pacifica Hybrid OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Chrysler Pacifica Hybrid.
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 Pacifica Hybrid
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Chrysler Pacifica Hybrid:
4. Chrysler Pacifica Hybrid P2004 FAQs
What causes code P2004 to trigger on a Chrysler Pacifica Hybrid?
On the Chrysler Pacifica Hybrid (3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV)), P2004 is most frequently caused by Carbon buildup binding the intake manifold swirl flap runner plates or Broken plastic IMRC actuator linkage rod or vacuum diaphragm.
Where is the OBD-II port located on my Chrysler Pacifica Hybrid?
On the Chrysler Pacifica Hybrid, the 16-pin DLC diagnostic connector is located Under driver side dashboard above foot pedal assembly. 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 Pacifica Hybrid with code P2004?
Yes. Low-end engine torque will feel sluggish, but vehicle is drivable. Given that P2004 carries a Medium severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.

