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Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2010 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

HINT: 

If a trouble code is output 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 or connector
- Door control receiver
- Certification ECU
Refer to DTC B1242: Wireless Door Lock Tuner Circuit Malfunction