When your 2024 Ram 3500 displays a P0302 code, it indicates cylinder 2 is experiencing misfires that the powertrain control module has detected. This flagship heavy-duty truck deserves prompt attention to maintain its industry-leading capabilities.
2024 Ram 3500 Powertrain Overview
The 2024 Ram 3500 offers the proven 6.4L HEMI V8 gasoline engine or the legendary 6.7L Cummins turbo diesel with available High Output tuning. Both engines represent the pinnacle of heavy-duty truck engineering, making proper diagnosis essential.
Understanding the Misfire Detection System
The advanced PCM monitors crankshaft position sensor data to detect variations in rotational speed caused by misfires. When cylinder 2 misfires exceed the calibrated threshold, P0302 is stored. The system is sensitive enough to detect even occasional misfires that may not be noticeable while driving.
HEMI V8 Diagnostic Focus
For the 6.4L HEMI, prioritize ignition system inspection. The coil-on-plug design isolates each cylinder's ignition components, making testing straightforward. Spark plug condition, coil pack function, and proper electrical connections should all be verified.
Cummins Diesel Investigation
The Cummins diesel uses compression ignition, eliminating spark-related causes. Focus on fuel delivery—the common rail injection system operates at extremely high pressures, and injector wear or failure commonly causes cylinder-specific misfires. Compression testing rules out mechanical issues.
New Vehicle Considerations
As a 2024 model, your Ram 3500 should be under comprehensive warranty coverage. Document the issue thoroughly and contact your dealer for diagnosis. Factory coverage typically addresses manufacturing defects that could cause early failures.