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Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

DTC No. Detection Item Trouble Area
B1221 (DTC B1221 POWER WINDOW SWITCH CIRCUIT ON DRIVER DOOR  ) Power Window Switch Circuit on Driver Door
  • Power window regulator master switch assy (D-door ECU)
B1231 (DTC B1231 JAM PROTECTION LIMIT SWITCH CIRCUIT ON DRIVER DOOR, DTC B1232 JAM PROTECTION PULSE SWITCH CIRCUIT ON DRIVER DOOR  ) Jam Protection Limit Switch Circuit on Driver Door
  • Power window regulator motor assy LH (Driver side)
  • Wire harness
  • Power window regulator master switch assy (D-door ECU)
B1232 (DTC B1231 JAM PROTECTION LIMIT SWITCH CIRCUIT ON DRIVER DOOR, DTC B1232 JAM PROTECTION PULSE SWITCH CIRCUIT ON DRIVER DOOR  ) Jam Protection Pulse Switch Circuit on Driver Door