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Home DTC Codes C0172 Medium · 30-60min
C0172 Warning

OBD2 Code C0172: 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 4 tool(s)

Tools Required

multimeter OBD scanner wiring diagram jack and stands (optional)

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 C0172

What does code C0172 mean?

OBD2 Code C0172: Suspension - Sensor or Actuator. Piloted suspension malfunction.

What are the symptoms of code C0172?

Code C0172 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 C0172?

The most common causes of code C0172 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 C0172?

Code C0172 has moderate severity (Warning). Short-term driving remains possible, but a prompt check is recommended to prevent worsening.

How do I fix code C0172?

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.