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Persistent TPMS Warning on 2024 Lucid Air Pure - Tires are Fine!

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Mike T. · rep 0 · May 25, 5:17 AM · 1 replies · solved · Question

Vehicle: 2024 Lucid Air Pure

I'm getting a constant TPMS (Tire Pressure Monitoring System) warning light on my 2024 Lucid Air Pure, and it's driving me nuts. I've manually checked all four tires with a reliable gauge, and they are all at the recommended pressure.

I've tried driving for a bit, hoping it would reset, but the warning light just stays on. It started a couple of days ago out of nowhere. Is there a specific reset procedure for Lucid vehicles, or could this be a faulty sensor already? Any advice would be appreciated!

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 5:17 AM

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ClearTheCode admin answer:

A persistent TPMS warning light, even after verifying tire pressures, is a common electrical issue that can stem from several sources. Here's how to approach it for your 2024 Lucid Air Pure:

  1. Verify Tire Pressure (Again):
    • Double-check all four tires, including the spare if applicable, with a high-quality tire pressure gauge. Ensure they are inflated to the exact pressure specified on your vehicle's door jamb sticker. Even a slight discrepancy can trigger the light.
  2. Drive Cycle for Reset:
    • After adjusting pressures, drive your vehicle for at least 10-15 minutes at speeds above 25 mph. This allows the TPMS sensors to transmit updated data to the receiver and for the system to recalibrate. Sometimes, a longer drive is needed.
  3. Check for Physical Damage:
    • Inspect your tire sidewalls and valve stems for any visible damage that might have impacted a sensor.

Common Causes:

  • Sensor Battery Failure: TPMS sensors are battery-powered, and while your car is new, a defective battery is possible. Sensor batteries typically last 5-10 years, but premature failure can occur.
  • Faulty TPMS Sensor: The sensor itself might be damaged or malfunctioning, preventing it from transmitting data correctly.
  • TPMS Receiver/Module Issue: The component in the vehicle that receives signals from the sensors could be faulty or experiencing a communication error.
  • Wheel/Tire Service: If you recently had new tires installed or rotated, the sensors might not have been properly relearned by the system.

Potential OBD Codes: While TPMS issues often trigger a specific dashboard light, they can also generate diagnostic trouble codes (DTCs) that a scanner can read. Common codes include:

  • C0040: Generic code indicating a TPMS malfunction.
  • C0041 - C0044: Specific codes often corresponding to individual wheel sensor failures (e.g., C0041 for front left, C0042 for front right, etc.).
  • U0100 - U01FF Range: Communication error codes, if the TPMS module is not communicating with other vehicle systems.

When to See a Shop: If the warning light persists after verifying pressures and completing a drive cycle, it's best to visit a Lucid service center. They have specialized diagnostic tools to read specific TPMS codes, identify which sensor (or module) is at fault, and perform the necessary sensor replacement or system relearn procedure. Ignoring a TPMS light, even if pressures seem fine, means you won't be alerted to actual low pressure situations in the future.

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