DTC P1C16: Idle Control System Rpm Lower Than Expected (HPCM): 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.
- Detected when two consecutive driving cycles with fault occur. (Single engine startup is counted as one drive cycle.)
- GENERAL DESCRIPTION < Ref. to DTC P1C16 IDLE CONTROL SYSTEM RPM LOWER THAN EXPECTED (HPCM) , Diagnostic Trouble Code (DTC) Detecting Criteria.>