C051E

Multi-axis Acceleration Sensor Module A Intermittent/Erratic

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

The passive safety system fault indicator is on
Error C051E in the diagnostic scanner memory
Incorrect operation of airbags or pretensioners (in rare cases)

Causes

Damage to the sensor wiring harness
Oxidation or poor contact in connectors
Malfunction of the multi-axis acceleration sensor itself
Problems with power supply or sensor ground

How to Fix

Conduct a visual inspection of the sensor wiring harness and connectors
Check contacts for oxidation or damage
Test the sensor using diagnostic equipment
If necessary, replace the sensor or repair the wiring harness
Clear error memory and check if error is returned

Related codes

B00A0 B00A1 C0500