🔧 Diagnostic Summary: Why Your Ram 1500 Is Still in the Shop

🧠 What We Found

• Multiple modules (ECM, TCM, ABS, BCM) are failing to communicate—this isn’t isolated, it’s systemic.
• The 545RFE transmission relies on precise electrical signals to time clutch engagement. Those signals are corrupted.
• Corrosion on the engine block and frame is degrading ground paths, introducing noise and voltage drop across the CAN network.

📉 What the Scope Shows

We scoped the solenoid control signal and found distorted, noisy waveforms—no clean pulses, no reliable clutch timing.

This confirms the issue is electrical, not mechanical. The OD clutch isn’t failing on its own—it’s being misfired by corrupted control logic.

🛠️ What We’re Doing

• Testing the original PCM to verify if it restores clean communication across the CAN bus.
• Verifying power and ground integrity across all module paths—frame, block, harness.
• Isolating modules that may be corrupting the bus or leaking voltage into shared circuits.
• Scoping solenoid control and comparing against known-good waveforms from healthy 545RFE units.

✅ Why It Matters

This isn’t a parts swap—it’s a forensic electrical repair. We’re rebuilding the communication backbone that allows your transmission to function. Without it, OD clutch timing fails, solenoids misfire, and the whole system spirals into mechanical damage.

📊 Diagnostic Progress