Roger Boeken
calisutra
VIP Member
on ERWIN Found a service document : (my translation from dutch below)
edit number : 2069697/4
electrical installation : hot air interior heater does not start released 13 jun. 2025
customer complaint:
interior heater does not start
or
Hot air interior heating switches off too early.
applicable california T6.1 build 2022
malfunction cannot be reproduced
in controller one or more of following malfunctions are registered:
P0562 ,U1400 , U1011 (voltage too low)
revision number 2069697/4
Excessive voltage drop in the cable between the second battery and the hot-air passenger compartment preheating.
Serial application October 2021.
Measure
Replace the 1.5 mm² cables with 2.5 mm² cables.
also a fuse under the passenger seat (number SH 4 20A yellow ) must be replaced with 25A white .
compleet descripton of the work to be done is in the 5 page document and takes several hours.
edit number : 2069697/4
electrical installation : hot air interior heater does not start released 13 jun. 2025
customer complaint:
interior heater does not start
or
Hot air interior heating switches off too early.
applicable california T6.1 build 2022
malfunction cannot be reproduced
in controller one or more of following malfunctions are registered:
P0562 ,U1400 , U1011 (voltage too low)
revision number 2069697/4
Excessive voltage drop in the cable between the second battery and the hot-air passenger compartment preheating.
Serial application October 2021.
Measure
Replace the 1.5 mm² cables with 2.5 mm² cables.
also a fuse under the passenger seat (number SH 4 20A yellow ) must be replaced with 25A white .
compleet descripton of the work to be done is in the 5 page document and takes several hours.
