Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
If a malfunction code is displayed during the DTC check, check the circuit listed for that code in the table below.
DIAGNOSTIC TROUBLE CODE CHART
| DTC |
Description |
| DTC B1222 |
DOOR LOCK SWITCH CIRCUIT ON DRIVER DOOR |
| DTC B1224 |
DOOR LOCK SWITCH CIRCUIT ON PASSENGER DOOR |
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