DTC P1C18: Generator System "B" Performance: Diagnosis
WARNING: This page is about a different car, the 2015 Subaru XV Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.
- Detects malfunctions due to open harness or trouble in the charging device.
- Detects abnormal conditions in the charging system for the 12 volt engine restart battery due to the integrated starter generator.
- Immediately at fault recognition