OBD Guide
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C15AE

Air Suspension Compressor Pressure Line Leak

C15AE is an OBD-II diagnostic trouble code meaning: Air Suspension Compressor Pressure Line Leak. Common causes: damage to air tubes, loose clamps. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Uneven body height
  • Frequent compressor operation
  • Reduced clearance
  • Dashboard warning

Causes

  • Damage to air tubes
  • Loose clamps
  • O-ring wear
  • Compressor fault

How to Fix

  1. Visual inspection of lines and connections
  2. Checking the tightness of the system using a soap solution
  3. Replacing damaged tubes or seals
  4. Tightening the clamps
  5. If necessary, replace the compressor

Related codes

C15A0C15A1C15A2

FAQ

What does the C15AE code mean?

C15AE is an OBD-II diagnostic trouble code that indicates: Air Suspension Compressor Pressure Line Leak

What causes a C15AE error code?

The most common causes of C15AE include: Damage to air tubes; Loose clamps; O-ring wear; Compressor fault.

How do I fix a C15AE diagnostic trouble code?

To fix C15AE: Visual inspection of lines and connections. Checking the tightness of the system using a soap solution. Replacing damaged tubes or seals. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C15AE?

Limited driving only, diagnose soon

How much does it cost to fix C15AE?

The estimated repair cost for C15AE is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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