P0300 on Tesla Cybertruck: Fix & DLC Location
Factory diagnostic troubleshooting wire for fault code P0300 (P0300: Random or Multiple Cylinder Misfire Detected) specifically on the Tesla Cybertruck (2024–2026, 800V Architecture / Dual Motor AWD (600HP) / Cyberbeast Tri-Motor (845HP)).
1. Symptoms of P0300 on Tesla Cybertruck
When the Engine Control Module (ECM/PCM) on your Tesla Cybertruck (800V Architecture / Dual Motor AWD (600HP) / Cyberbeast Tri-Motor (845HP)) logs fault code P0300, drivers commonly observe:
2. Most Likely Causes on Tesla Cybertruck
Historical warranty claims and technical repair bulletins for Tesla Cybertruck point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Tesla Cybertruck
Plug a handheld OBD-II scanner into the 16-pin port under the dashboard. Check if specific cylinder codes like P0301 (Cylinder 1) or P0304 (Cylinder 4) accompany P0300. on the Tesla Cybertruck equipped with 800V Architecture / Dual Motor AWD (600HP) / Cyberbeast Tri-Motor (845HP).
Remove the ignition coils, use a spark plug socket with ratchet to unthread spark plugs. Inspect electrode tips for carbon buildup, oil fouling, or burnt gaps. Replace with OEM iridium plugs gapped to spec. on the Tesla Cybertruck equipped with 800V Architecture / Dual Motor AWD (600HP) / Cyberbeast Tri-Motor (845HP).
Perform an ignition swap test: Swap coil from a suspected misfiring cylinder to an adjacent cylinder. Clear codes and re-scan. If the misfire moves, replace the faulty coil. on the Tesla Cybertruck equipped with 800V Architecture / Dual Motor AWD (600HP) / Cyberbeast Tri-Motor (845HP).
Inspect PCV hoses, intake boot, and vacuum lines for cracking or hissing sounds while engine idles. Smoke test the intake if necessary. on the Tesla Cybertruck equipped with 800V Architecture / Dual Motor AWD (600HP) / Cyberbeast Tri-Motor (845HP).
Add a bottle of premium fuel injector cleaner (e.g. Chevron Techron). Clear the OBD-II codes with your scanner and take the car on a 15-minute drive cycle to confirm readiness monitors reset. on the Tesla Cybertruck equipped with 800V Architecture / Dual Motor AWD (600HP) / Cyberbeast Tri-Motor (845HP).
Other Common Fault Codes on Tesla Cybertruck
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Tesla Cybertruck:
4. Tesla Cybertruck P0300 FAQs
What causes code P0300 to trigger on a Tesla Cybertruck?
On the Tesla Cybertruck (800V Architecture / Dual Motor AWD (600HP) / Cyberbeast Tri-Motor (845HP)), P0300 is most frequently caused by Worn or fouled spark plugs and damaged spark plug wires or Failing ignition coils or coil packs.
Where is the OBD-II port located on my Tesla Cybertruck?
On the Tesla Cybertruck, the 16-pin DLC diagnostic connector is located Driver footwell lower bulkhead interface. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Tesla Cybertruck with code P0300?
No. Driving with a flashing check engine light causes irreversible catalytic converter damage. Given that P0300 carries a Critical severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.