Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2003 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 and proceed to the appropriate section.
DTC CHART
| DTC No. | Circuit Inspection | Trouble Area |
|---|---|---|
| DTC B1242 Wireless Door Lock Tuner Circuit Malfunction | Wireless Door Lock Tuner Circuit Malfunction |
|