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Diagnostic Trouble Code Table

WARNING: This page is about a different car, the 2012 Lexus LS 460. However, it is still accessible from the selected car via links, so may be relevant.

HINT: 

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the reference below.

WIRELESS DOOR LOCK CONTROL SYSTEM:

DTC Code Detection Item Trouble Area Reference
B1242 Wireless Door Lock Tuner Circuit Malfunction - Harness and connector
- Door control receiver
- Certification ECU
Refer to DTC B1242: Wireless Door Lock Tuner Circuit Malfunction