DTC U201F:11 [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 U201F:11 (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM) DETECTION CONDITION AND POSSIBLE CAUSE

DESCRIPTION	Short to ground in keyless receiver circuit
DETECTION CONDITION	Keyless receiver power supply monitor voltage is less than 7.5 V for 0.5 s.
POSSIBLE CAUSE	Keyless receiver connector or terminals malfunction Keyless control module connector or terminals malfunction Short to ground in the wiring harness between the following terminals: Keyless receiver terminal A-Keyless control module terminal 3V Keyless receiver malfunction Keyless control module malfunction
Courtesy of MAZDA MOTORS CORP.