Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2009 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
If a trouble code is indicated during the DTC check, check the circuit listed for that code in the table below. Then proceed to the appropriate information.
DIAGNOSTIC TROUBLE CODE CHART
| DTC Code | Detection Item | Trouble Area | See |
|---|---|---|---|
| B1242 | Wireless Door Lock Tuner Circuit Malfunction | 1. Door control receiver 2. Wire harness or connector 3. Certification ECU (smart key ECU assembly) |
Refer to DTC B1242: Wireless Door Lock Tuner Circuit Malfunction |