Collision Repair
Tesla RCM Replacement & Post-Crash Reset (Toolbox)
After airbag deployment, the Tesla RCM must be replaced and post-crash data cleared in Toolbox. A collision tech's walkthrough — order, safety, pitfalls.
⚡ Tesla Battery & Electrical Guides
From 12V battery swaps to diagnosing electrical gremlins — everything you need to keep your Tesla's electrical system healthy. These guides cover all Model 3, Model Y, Model S, and Model X variants.
Electrical
Tesla MCU Upgrade: Is It Worth It? Complete 2026 Guide
Tesla MCU1 to MCU2 upgrade — worth $1,500+? Costs, DIY eMMC repair ($50), yellow-border fixes, MCU3 AMD Ryzen specs, and exactly who should upgrade in 2026.
Connectivity
Tesla Bluetooth Not Working: 10 Quick Fixes (2026)
Tesla Bluetooth not connecting, phone key failing, or audio cutting out? Step-by-step fixes for all models incl. Model 3 Highland and Model Y Juniper (2026).
Electrical
Tesla Pyrofuse Explained: What It Does & When It Blows
Everything about the Tesla pyrotechnic fuse: how it protects you in a crash, what happens when it blows, alert codes BMS_u031/u032, cost, and why it's not DIY.
Electrical
Tesla Key Fob Battery Replacement (Model S & X)
Tesla key fob battery replacement for Model S and X. CR2032 type, swap in 2 minutes, plus re-pairing, passive entry fix, and troubleshooting tips.
Battery
Tesla Range Loss: Why It Happens & How to Fix It (2026)
Tesla losing range fast? 2026 guide to fixing vampire drain, battery degradation, and range drops: LFP vs NMC, BMS calibration, and seasonal tips.
Battery
Tesla BMS Calibration: Recalibrate for Accurate Range
Tesla showing wrong range or not charging to full? How to recalibrate the Battery Management System (BMS), step by step, for all Tesla models.
Electrical
Tesla Warning Lights & Error Messages Explained
See a warning on your Tesla screen? Every warning light, error message, and alert icon explained — what they mean, how serious they are, and what to do next.
Electrical
Tesla Won't Start or Turn On? 8 Fixes to Get Moving Again
Tesla won't start, won't go into drive, or completely dead? Step-by-step troubleshooting for key detection, 12V battery, high-voltage issues, and more.
Battery
Tesla Battery Degradation: What's Normal vs What's a Problem
Check your Tesla's battery health in 3 numbers: exact kWh thresholds by model, the 70% warranty rule, May 2026 fleet data, and real repair cases.
Diagnostics
Tesla OBD2 Scanner & Diagnostics: Best Tools for DIY Repair
Find the best OBD2 scanners and diagnostic tools for Tesla Model 3, Y, S & X. Read DTCs, clear faults, access hidden data. Complete buyer's guide.
Interior & Electronics
Tesla Wireless Charger Not Working: Complete Fix Guide
Fix your Tesla wireless phone charger: alignment issues, overheating, case problems, and module replacement for Model 3 and Y. Complete troubleshooting guide.
Electrical
Tesla Trunk Wiring Harness Repair (Model 3/Y)
Tesla trunk wiring harness broken? Fix intermittent backup camera, tail lights, and trunk latch issues from worn wires in the lid. DIY repair guide.
Interior & Electronics
Tesla Model 3/Y Speaker & Audio Upgrade Guide
Upgrade your Tesla Model 3 or Y audio system: factory speaker specs, door speaker and subwoofer install, amplifier upgrades, and DSP tuning — step by step.
Electrical
Tesla 12V Battery Replacement: Step-by-Step DIY Guide
Tesla 12V battery dead or warning showing? Emergency jump plus full DIY replacement for Model 3, Y, S, X & Cybertruck. Saves €200+ vs service.
Electrical
Tesla Dashcam USB Setup: From Compatible Drive to Saved Clip
Set up Tesla Dashcam for the first time: check the USB drive and recording port, choose saving settings, and verify playback before relying on it.
Electrical
Tesla Phone Key Not Working? 10 Fixes That Work
Tesla phone key not unlocking your car? 10 proven fixes for Bluetooth key issues. Covers iPhone and Android troubleshooting steps.
Connectivity
Tesla LTE Not Working? Connectivity Fixes Guide
Tesla LTE or premium connectivity not working? Troubleshoot cellular issues, check subscription status, and fix connectivity problems.
Electrical
Tesla Screen Black or Not Turning On? Safe First Checks
Black or frozen Tesla screen? Stop safely before restarting it. Follow Tesla's touchscreen restart and power-cycle steps, and know when to contact service.