OBD Guide

C0187

Lateral Accelerometer Circuit Range/Performance

C0187 is an OBD-II diagnostic trouble code meaning: Lateral Accelerometer Circuit Range/Performance. Common causes: open or shorted sensor wiring harness, side accelerometer malfunction.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately

Symptoms

  • SRS/airbag light is on
  • The passive safety system may not operate in a side impact.
  • False airbag deployment

Causes

  • Open or shorted sensor wiring harness
  • Side accelerometer malfunction
  • Poor contact in connectors
  • Mechanical damage to the sensor (shock, vibration)
  • Problems with the SRS control unit

How to Fix

  1. Diagnostics of the SRS system using a scanner
  2. Visual inspection of the wiring harness and connectors
  3. Checking resistance and sensor signals
  4. Replacing the side accelerometer if necessary
  5. Cleaning contacts and restoring connections
  6. Resetting the error and testing the system

Related codes

Error C0187 by Vehicle Brand

FAQ

What does the C0187 code mean?

C0187 is an OBD-II diagnostic trouble code that indicates: Lateral Accelerometer Circuit Range/Performance

What causes a C0187 error code?

The most common causes of C0187 include: Open or shorted sensor wiring harness; Side accelerometer malfunction; Poor contact in connectors; Mechanical damage to the sensor (shock, vibration).

How do I fix a C0187 diagnostic trouble code?

To fix C0187: Diagnostics of the SRS system using a scanner. Visual inspection of the wiring harness and connectors. Checking resistance and sensor signals. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0187?

Do not drive โ€” repair immediately

See also: Russian version ยท NationStat