OBD Guide
ENFRDEESPT

C155E

Ride Height Pressure Vent Control

C155E is an OBD-II diagnostic trouble code meaning: Ride Height Pressure Vent Control. Common causes: air leak in pneumatic system, pressure control solenoid malfunction. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Incorrect suspension height
  • The car tilts when driving
  • Check engine light comes on
  • Suspension does not adjust automatically

Causes

  • Air leak in pneumatic system
  • Pressure control solenoid malfunction
  • Pressure sensor error
  • Wiring harness damage
  • Problems with the suspension control unit

How to Fix

  1. Carry out diagnostics of the suspension system
  2. Check the tightness of the pneumatic circuits
  3. Check the functionality of solenoids and sensors
  4. Inspect the wiring harness for damage
  5. If necessary, replace faulty components

Related codes

C1561C1562C1559

FAQ

What does the C155E code mean?

C155E is an OBD-II diagnostic trouble code that indicates: Ride Height Pressure Vent Control

What causes a C155E error code?

The most common causes of C155E include: Air leak in pneumatic system; Pressure control solenoid malfunction; Pressure sensor error; Wiring harness damage.

How do I fix a C155E diagnostic trouble code?

To fix C155E: Carry out diagnostics of the suspension system. Check the tightness of the pneumatic circuits. Check the functionality of solenoids and sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C155E?

Limited driving only, diagnose soon

How much does it cost to fix C155E?

The estimated repair cost for C155E is $56–278. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat