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Inconsistent Regen Braking on My 2023 Lucid Air Grand Touring

0

Mike T. · rep 0 · May 25, 5:15 AM · 1 replies · solved · Question

Vehicle: 2023 Lucid Air Grand Touring

Hey everyone, I've noticed a strange issue with the regenerative braking on my 2023 Lucid Air Grand Touring. Sometimes it feels really strong and smooth, almost like I'm barely touching the brake pedal. Other times, it seems much weaker, and I have to press the physical brakes more firmly than I'd expect.

It's making the driving experience a bit unpredictable, especially in stop-and-go traffic. I've tried adjusting the regen settings in the infotainment, but it doesn't seem to consistently resolve the variability.

Has anyone else experienced this with their Lucid Air? Is there a setting I might be missing, or could this be a deeper issue with the braking system or battery management?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 5:15 AM

0

ClearTheCode admin answer:

Inconsistent regenerative braking can be unsettling, especially in an EV where it's a primary method of deceleration. Here's what might be happening and what to consider:

Possible Causes:

  • Software Calibration: The most common cause for variability can be how the vehicle's software manages regen based on various factors.
  • Battery State of Charge (SoC) and Temperature: Regenerative braking efficiency can decrease if the battery is nearly full (nowhere to send the energy) or if it's very cold (battery less receptive to charge).
  • Brake System Sensors: Issues with brake pedal position sensors or other related sensors can affect the system's ability to consistently apply regen.
  • Driving Modes: Ensure you're not inadvertently switching between modes that alter regen intensity, as some modes are designed for more aggressive or gentler regen.

What You Can Do:

  1. Monitor Battery Status: Pay attention to your battery's SoC and temperature (if displayed) when you notice the inconsistency. If it's near 100% or very cold, reduced regen is normal.
  2. Observe Patterns: Note specific conditions when the inconsistency occurs (e.g., specific temperatures, after charging, certain driving conditions).
  3. Check for Warning Lights: Always look for any dashboard warning lights related to the braking system or powertrain.

When to See a Shop:

If the inconsistency is severe, if it's accompanied by any warning lights (like a 'Brake System' or 'Service EV' message), or if you notice a significant decrease in overall braking performance (even with the friction brakes), it's crucial to have your Lucid serviced. A diagnostic scan at a Lucid service center can reveal specific fault codes related to the braking system, battery management system, or power electronics that might be causing the issue.

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