FixVault

Diagnostic Trouble Code Chart

Door ECU (driver side) 

DOOR ECU (DRIVER SIDE) DIAGNOSTIC TROUBLE CODE CHART

DTC No. Detection Item Diagnosis
B1231/31  Jam Protection Limit Switch Circuit on Driver Door Jam protection limit switch on driver door
B1232/32  Jam Protection Pulse Switch Circuit on Driver Door Jam protection pulse switch on driver door

Monitor Code 

The monitor code shows the switch condition when a DTC is output.

When a monitor code is indicated while the switch is not operated, the switch is detected in being stuck.

When monitor code is not indicated while switch is operated, it is detected that the switch contact condition is bad.

DIAGNOSTIC TROUBLE CODE CHART

DTC No. Detection Item Diagnosis
B1221/21  Power Window Switch Circuit on Driver Door Power window switch circuit on driver door