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Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2004 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE CHART

DTC No. Detection Item Trouble Area
B1221  Power Window Switch Circuit on Driver Door
  • Power window regulator master switch assy (D-door ECU)
B1231  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  Jam Protection Pulse Switch Circuit on Driver Door