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Home DTC Codes C0186 Medium · 30-60min
C0186 Warning

OBD2 Code C0186: 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 oscilloscope (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 C0186

What does code C0186 mean?

OBD2 Code C0186: Suspension - Sensor or Actuator. Piloted suspension malfunction.

What are the symptoms of code C0186?

Code C0186 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 C0186?

The most common causes of code C0186 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 C0186?

Code C0186 has moderate severity (Warning). Short-term driving remains possible, but a prompt check is recommended to prevent worsening.

How do I fix code C0186?

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.