DTC P1794:17 [Advanced Keyless Entry And Push Button Start System]: Notes

WARNING: This page is about a different car, the 2010 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DTC P1794:17 (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM) DETECTION CONDITION AND POSSIBLE CAUSE

DESCRIPTION	High voltage in power supply circuit (+B2)
DETECTION CONDITION	Keyless control module power supply circuit (+B2) voltage is 16.5 V or more for 0.5 s.
POSSIBLE CAUSE	PCM DTC is stored Generator malfunction Keyless control module malfunction