B1211: EIC Switch-2 Assembly Circuit Short To Battery

Possible Causes

• Faulty sensor or actuator in the body system (e.g., airbag, seat, door)
• Wiring or connector issues in the body circuit
• Malfunctioning body control module (BCM)
• Improperly installed or damaged components
• Software or calibration issues

Diagnosis and Repair

• Use an OBD-II scanner to confirm the B-code and check related codes
• Inspect wiring and connectors for damage or loose connections
• Test sensors or actuators (e.g., airbag sensors, door switches) with a multimeter
• Check for proper installation of components
• Replace faulty components or update module software
• Clear codes and verify repair during a test drive

Related Error Codes

See also: B1200, B1201, B1202, B1203, B1204

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