Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2009 Lexus GS 450h. However, it is still accessible from the selected car via links, so may be relevant.
WIRELESS DOOR LOCK CONTROL SYSTEM:
| DTC No. | Detection Item | Trouble Area | Refer to |
|---|---|---|---|
| B1242 | Wireless Door Lock Tuner Circuit Malfunction | - Wire harness - Door control receiver - Certification ECU |
Refer to DTC B1242: Wireless Door Lock Tuner Circuit Malfunction |