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P02042024 Model Year TelemetryCritical Severity

P0204 on 2024 Jeep Wrangler

Injector Circuit Malfunction - Cylinder 4

Technical troubleshooting wire for fault code P0204 specifically tailored for the 2024 Jeep Wrangler. Includes wiring sensor pinouts, freeze frame PID parameters, and step-by-step diagnostic tree.

2024 Engine Control Module (ECM) Specific Calibration
Jeep Wrangler2024 Wrangler
2024 Jeep Wrangler
SUV3.6L Pentastar V6 / 2.0L Turbo 4-Cyl / 4xe Hybrid (375HP) / 6.4L 392 HEMI (470HP)
2024 Stats
Vehicle
2024 Wrangler
3.6L Pentastar V6 / 2.0L Turbo 4-Cyl / 4xe Hybrid (375HP) / 6.4L 392 HEMI (470HP)
ECU Subsystem
Automotive OBD-II
SAE Mode $01 & $02
Est. Repair Cost
$150 - $550 (DIY: $40 - $180)
OEM Parts & DIY
Urgency Level
Critical
Tow to Shop
Switch Wrangler Model Year for P0204

Common 2024 Wrangler Symptoms

  • Flashing CEL
  • Engine vibration and sputtering
  • Sluggish acceleration
  • P0304 code

Likely Root Causes on 2024 Wrangler

  • Faulty Cylinder 4 fuel injector
  • Broken wiring harness
  • Loose connector lock
  • ECM driver fault

Step-by-Step Fix Protocol for 2024 Jeep Wrangler

Step 1: Scan & Record Freeze Frame Data

Connect an OBD-II scanner to the DLC port under the driver dashboard. Record engine RPM, Short Term / Long Term Fuel Trim (STFT/LTFT), and engine coolant temperature at the moment P0204 set.

Step 2: Inspect Wiring Harness & Pin Voltages

Inspect the sensor connector on the 2024 Wrangler engine bay. Use a multimeter to verify reference voltage (5.0V / 12.0V) and ground continuity.

Step 3: Component Replacement & PCM Reset

Replace the verified defective component using OEM or equivalent grade parts. Clear DTC P0204 and complete an EPA drive cycle to verify readiness monitors set to READY.

Recommended Parts & Testing Tools

Equipment for Diagnosing 2024 Jeep Wrangler (P0204)

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2024 Jeep Wrangler OEM Replacement Sensor

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Direct-fit replacement assembly engineered to OEM tolerances for 2024 Jeep Wrangler.

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Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

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BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

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