Toyota CH-R Service Manual > Can Communication System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Diagnostic Trouble Code Chart
DTC No.
Detection Item
Trouble Area
Link
B1003
ECU Malfunction
Central gateway ECU (network gateway ECU)
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Toyota 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
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