Attempting to Fix a $100,000 Amazon Rivian Delivery Van Without Rivian's Help

Title

Attempting to Fix a $100,000 Amazon Rivian Delivery Van Without Rivian's Help

One-Sentence Summary

A DIY mechanic purchases a non-functional Amazon delivery van at a buy-here-pay-here lot and attempts to diagnose and fix a persistent parking brake fault without access to Rivian's proprietary diagnostic tools or software.

Key Takeaways

• [0:00] The van was purchased for $10,000 despite being valued at $100,000, with all systems functioning except the vehicle refusing to move due to a parking brake system fault.

• [1:01] Without factory diagnostic software or service information, the mechanic must rely on creative problem-solving and borrowed expertise to diagnose the issue.

• [6:20] The Amazon van's design prioritizes utility and serviceability over luxury, with exposed components and minimal weather protection, leading to visible corrosion on ground connections.

• [8:53] Electronic parking brakes on modern EVs are a recurring problem across multiple vehicle types, with the mechanic noting previous issues on a Lexus and Lucid as well.

• [13:00] Testing reveals both rear electronic parking brake motors have measurable resistance (0.7 and 1.2 ohms), with the left side showing noticeably higher resistance than the right side.

• [19:10] A 3D printer proves invaluable in fabricating a custom tool needed to manually back off the parking brake calipers, demonstrating the value of DIY manufacturing.

• [34:43] After physically freeing both rear wheels and verifying the parking brake motors work independently, the vehicle still refuses to move, indicating the problem is software-level and requires Rivian's proprietary reset procedure.

Suggested Category Tags

• Automotive repair
• EV troubleshooting
• DIY mechanics
• Rivian vehicles
• Right to repair