Thanks cwerdna, but I'm not about to give up my "You forgot to plug in!" reminders. That's the #1 reason why I replaced the TCU!
For now I'll just reinstall the phone app as needed. Annoying, weird, but it works.
As I posted at http://www.mynissanleaf.com/viewtopic.p ... 23#p534823 regarding NTB18-045:jlv wrote:P31C2 is also part of the problem (listed in the link I posted above).Supersleeper wrote:Now has P31C2. This looks new.
Glad it's working for you now, but it's interesting that you needed to pull the negative terminal to get it to resolve. Are you getting text messages/notifications (on charging complete)?
Yay! P3131 was exactly what I'd see accompanying the yellow ! car light when I had saved charging locations and auto-saving of them.2011-2015 LEAF; 12 VOLT BATTERY LOSES CHARGE AND/OR TELEMATICS SERVICES DO NOT WORK This bulletin applies only to vehicles equipped with a 3G Telematics control unit. IF YOU CONFIRM The 12 V battery continuously loses its charge and/or Remote Telematics services do not work. NOTE: DTCs P3131 (SYSTEM SHUTOFF ERROR) and/or P31C2 (TCU) may be found stored. ACTION 1. Refer to page 2, step 2 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle being worked on. 2. If this bulletin applies, reprogram the Telematics control unit (TCU).