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Home DTC Codes C0155 Medium · 30-60min
C0155 Warning

OBD2 Code C0155: Suspension - Sensor or Actuator

Piloted suspension malfunction.

ECU: BCM

Detected Root Component

Chassis Component

Confidence level: low

Observed Symptoms

  • Rigid or uncomfortable suspension
  • Excessive body roll when cornering
  • Dashboard errors

Possible Causes

  • Defective sensor
  • Damaged wiring
  • Corroded connector
  • Faulty BCM module
Diagnostic Progress 0 %
Difficulty Medium
Est. time 30-60min
Tools Required 5 tool(s)

Tools Required

multimeter OBD scanner wiring diagram flashlight backprobe pins

Interactive Diagnostic

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Diagnostic Result

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Parts likely to be the cause (Capteur ABS)

Capteur ABS

Capteur ABS

Photo d'illustration : Capteur ABS

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Frequently asked questions about code C0155

What does code C0155 mean?

OBD2 Code C0155: Suspension - Sensor or Actuator. Piloted suspension malfunction.

What are the symptoms of code C0155?

Code C0155 may cause: Rigid or uncomfortable suspension, Excessive body roll when cornering, Dashboard errors. The intensity of these symptoms varies depending on the vehicle and driving conditions.

What causes code C0155?

The most common causes of code C0155 are: Defective sensor, Damaged wiring, Corroded connector, Faulty BCM module. A proper OBD2 diagnostic will pinpoint the exact cause.

Is it serious to drive with code C0155?

Code C0155 has moderate severity (Warning). Short-term driving remains possible, but a prompt check is recommended to prevent worsening.

How do I fix code C0155?

Start by reading the code with an OBD2 scanner, then follow the interactive decision tree on this page. Priority causes to check: Defective sensor, Damaged wiring, Corroded connector, Faulty BCM module. Difficulty: Medium · Estimated time: 30-60min.