C1243

Symptoms

• The passive safety system fault indicator is on
• Lack of airbag response during testing
• Errors in other related systems

Causes

• Acceleration sensor jammed
• Open or short circuit in wiring harness
• Contact corrosion
• Mechanical damage to the sensor
• Control unit malfunction

How to Fix

1. Check the integrity of the sensor and its fastening
2. Inspect the wiring harness for damage
3. Clean contacts from corrosion
4. Replace sensor if necessary
5. Reset the error and check the system

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