C0187

Lateral Accelerometer Circuit Range/Performance

Severity

🔴 High

Can you drive?

Do not drive — 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

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

Related codes

B0073 B0074 C0196