P1634 — Honda Fit

Honda Fit hybrid having DTC P1634 means that the vehicle has problem in hybrid system. The hybrid system is controlled by a range of multiple ECM,s. Most of the time this code corresponds to a faulty IMA module or the DC-DC converter itself. Diagnostics of the system can reveal the exact problem area. This DTC is also set if the 12V auxiliary power battery becomes weak. Sometimes This causes the vehicle to run in a failsafe environment and performance becomes very poor.