The most common causes of B1210 include: Electrical connector corrosion or damage; Control module communication error; Switch or actuator failure; Wiring short circuit or open circuit. A professional OBD-II scan tool is recommended for accurate diagnosis.

Recommended steps to address B1210: (1) Schedule service as soon as possible (2) Inspect the affected electrical component and its wiring (3) Check for water intrusion in connector areas. Always consult a qualified EV technician for high-voltage system repairs.

Is it safe to drive with B1210?

Driving with B1210 is not recommended for extended distances. Schedule service within a few days to prevent further damage. Monitor for any additional warning lights.

B1210

Warning

EIC Switch-2 Assembly Circuit Open

Severity

Warning

What does B1210 mean?

Fault code B1210 means "EIC Switch-2 Assembly Circuit Open". It is a manufacturer-specific diagnostic trouble code (DTC) in the body electronics system, classified as "body" with a severity level of "warning". This code indicates a condition that should be addressed soon. Schedule a diagnostic appointment within the next few days to prevent further damage. This code is defined by the SAE J2012 / ISO 15031-6 standard and applies to OBD-II compliant vehicles sold in the US, EU, and other global markets.

Possible Causes

Electrical connector corrosion or damage
Control module communication error
Switch or actuator failure
Wiring short circuit or open circuit

Recommended Actions

1 Schedule service as soon as possible
2 Inspect the affected electrical component and its wiring
3 Check for water intrusion in connector areas