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2022 Air Grand Touring Completely Dead - Won't Power On

0

Mike T. · rep 0 · May 25, 5:13 AM · 1 replies · solved · Question

Vehicle: 2022 Lucid Air Grand Touring

My 2022 Lucid Air Grand Touring is completely dead. I went to get in it this morning, and absolutely nothing. No lights, no screens, no response from the key fob, and the charging port light isn't on. It's like the car has absolutely no power whatsoever. I tried charging the 12V battery with a jump pack, but still nothing happened.

This is really concerning for an EV. Is there a main fuse or a reset procedure I should try? What could cause a Lucid to be completely unresponsive like this?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 5:13 AM

0

ClearTheCode admin answer:

A completely dead 2022 Lucid Air Grand Touring, with no response from any systems, is a serious issue that often points to a fundamental power delivery problem. Even though it's an EV, the 12V auxiliary battery plays a crucial role in powering the vehicle's control modules, infotainment, and initiating the high-voltage system.

Troubleshooting Steps (Limited):

  1. Verify 12V Battery Connection: Double-check that your jump pack or charger is correctly connected to the 12V battery terminals (usually located under the hood or in the frunk). Ensure the terminals themselves are clean and tight.
  2. Try a Different 12V Charger/Jump Pack: If possible, try a different known-good 12V battery source, as your current one might be faulty or insufficient.
  3. Check for Main 12V Fuse (if accessible): While less common for a complete shutdown, a blown main 12V fuse could cause this. However, these are often not easily user-serviceable.

Potential Causes:

  • Critically Discharged 12V Battery: Despite trying a jump pack, if the 12V battery is completely dead or internally shorted, it might not accept a charge or provide enough power to 'wake up' the vehicle's systems. EVs rely heavily on the 12V battery for initial boot-up.
  • Main High-Voltage Contactor Issue: The high-voltage battery pack is isolated by contactors. If these fail to close (e.g., due to a fault or a signal from the BMS), the main high-voltage system won't power up, leading to a completely dead vehicle.
  • Software Glitch/Module Failure: A severe software error or failure of a critical control module (like the Body Control Module) could prevent the car from initiating its power-up sequence.
  • Charging System Failure (12V): The DC-DC converter, which charges the 12V battery from the high-voltage battery, could be faulty, leading to the 12V battery draining over time.

When to see a shop:

  • Immediately. If a confirmed good 12V battery charge or replacement doesn't bring the car to life, this issue requires professional diagnosis from a Lucid service center. Do not attempt to open high-voltage components. This situation warrants calling Lucid Roadside Assistance to have your vehicle safely transported for specialized EV diagnostics and repair.
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