C0191

Longitudinal Accelerometer Signal Voltage

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Airbag light is on
The SRS system may not work in an accident.

Causes

Open or short circuit in the sensor wiring harness
Accelerometer malfunction
Problems with the SRS control unit
Contact corrosion

How to Fix

Check the wiring harness for opens and shorts
Test the accelerometer using a scanner
Replace the accelerometer if necessary
Check the SRS control unit

Related codes

B0001 B0002 C0190