OBD Guide
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C15A7

Air Suspension Up Button Stuck

C15A7 is an OBD-II diagnostic trouble code meaning: Air Suspension Up Button Stuck. Common causes: sticking of the mechanical part of the button, oxidation of button contacts. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • The air suspension lift button does not work
  • Suspension does not adjust automatically
  • Suspension fault indicator is on

Causes

  • Sticking of the mechanical part of the button
  • Oxidation of button contacts
  • Open circuit or short circuit in the wiring harness
  • Malfunction of the suspension control unit

How to Fix

  1. Diagnostics of the state of the button and its contacts/circuit
  2. Checking the integrity of the wiring harness
  3. Cleaning or behind the buttons
  4. Replacing the control unit if necessary

Related codes

C15A0C15A1C15A2

FAQ

What does the C15A7 code mean?

C15A7 is an OBD-II diagnostic trouble code that indicates: Air Suspension Up Button Stuck

What causes a C15A7 error code?

The most common causes of C15A7 include: Sticking of the mechanical part of the button; Oxidation of button contacts; Open circuit or short circuit in the wiring harness; Malfunction of the suspension control unit.

How do I fix a C15A7 diagnostic trouble code?

To fix C15A7: Diagnostics of the state of the button and its contacts/circuit. Checking the integrity of the wiring harness. Cleaning or behind the buttons. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C15A7?

Limited driving only, diagnose soon

How much does it cost to fix C15A7?

The estimated repair cost for C15A7 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat