The most common causes of B1215 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 B1215: (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 B1215?

Driving with B1215 is not recommended for extended distances. Schedule service within a few days to prevent further damage. Monitor for any additional warning lights.

B1215

Warning

Running Board Lamp Circuit Short to Battery

Severity

Warning

What does B1215 mean?

Fault code B1215 means "Running Board Lamp Circuit Short to Battery". 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