Honda CR-V 2012–2014 — technical service bulletin
Bulletin A15-016 · NHTSA communication 10115801 · issued Aug 12, 2017
Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2012–2014
model years
3
vehicle entries
Official summary
Service bulletin - The electric differential pressure solenoid (EDPS) in the rear differential has excessive oil pressure, causing the AWD indicator to come on and DTC C-1858-73 (differential fluid pressure deviation high) to set.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.