If you notice any of the following symptoms, your vehicle probably needs adjustment or repair. Contact your Toyota dealer as soon as possible.
Visible symptoms
(Water dripping from the air conditioning after use is normal.)
Audible symptoms
Operational symptoms
If your vehicle needs to be towed
Fuel pump shut off systemToyota CH-R Service Manual > Blind Spot Monitor System: Software Incompatibility with Body Control Module "B" (U1331)
DESCRIPTION
This DTC is stored when the destination information of the main body ECU (multiplex
network body ECU) does not match that of the blind spot monitor sensors.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U1331
...
Toyota CH-R Service Manual > Smart Key System(for Start Function): Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Smart Key System (for Start Function)
DTC No.
Detection Item
Link
B2271
Ignition Hold Monitor Malfunction
B2274
ACC Monitor Malfunction
...