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2023 R1T Air Suspension Sagging on One Side - Error Message

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Sarah K. · rep 0 · May 22, 7:13 AM · 1 replies · solved · Question

Vehicle: 2023 Rivian R1T Launch Edition

Hey everyone,

I've got a 2023 Rivian R1T Launch Edition, and I've been noticing a strange issue with the air suspension lately. The front passenger side seems to be consistently lower than the rest of the truck, especially after it's been parked overnight. It's not a huge difference, but it's definitely noticeable when I walk up to it.

Sometimes, I also get a 'Suspension System Malfunction' warning on the dash, but it usually clears itself after driving for a bit or cycling the power. I've tried adjusting the ride height settings, but it doesn't seem to fully resolve the sag on that side. It just re-levels to a lower point.

Has anyone else experienced this with their R1T? Is this something I should be worried about, or could it just be a software glitch? Any advice on what to check before I schedule a service appointment would be greatly appreciated!

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 7:13 AM

0

ClearTheCode admin answer:

Experiencing a persistent sag on one side of your Rivian R1T's air suspension, especially coupled with a 'Suspension System Malfunction' warning, indicates a potential issue that warrants attention. While it could be minor, it's best to address it promptly to prevent further complications.

Here are the common causes and steps to consider:

  1. Air Leak: The most frequent cause of a sagging air suspension is a leak in the air spring (air bag) or the associated air lines on the affected side. Over time, rubber components can degrade, or connections can loosen, leading to air escaping. This would explain the overnight sag.
  2. Faulty Height Sensor: Each corner of your R1T has a height sensor that tells the suspension control module the current ride height. If the sensor on the front passenger side is faulty, it might be sending incorrect readings, causing the system to under-inflate that air spring.
  3. Air Compressor or Valve Block Issue: Less likely for a single-side sag, but a malfunctioning air compressor or a sticky valve within the valve block could contribute to improper air distribution. However, this usually affects multiple corners or the entire system.
  4. Software Glitch: While less common for a persistent physical sag, a software anomaly could potentially cause incorrect leveling commands. The intermittent error message clearing itself might point to this, but it's usually accompanied by other symptoms.

When to See a Shop:

Given the intermittent error message and the consistent sag, it's highly recommended to schedule a service appointment with Rivian. They have specialized diagnostic tools to pinpoint the exact cause. They will likely perform the following:

  • Visual Inspection: Check for obvious damage to the air springs, lines, and connections.
  • Leak Detection: Use soapy water or a specialized leak detector to find any air leaks.
  • Diagnostic Trouble Codes (DTCs): Scan the air suspension control module for any stored manufacturer-specific diagnostic codes that can indicate sensor failures, valve issues, or compressor problems.
  • Sensor Calibration/Replacement: Verify the height sensor readings and recalibrate or replace if necessary.
  • Software Update: Check for and apply any relevant software updates that might address known suspension issues.

Driving with a compromised suspension can affect handling, tire wear, and potentially lead to more expensive repairs down the line. It's best to have a certified Rivian technician diagnose and repair the issue.

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