Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2004 Toyota Sienna. 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 chart below (Proceed to the procedure given for that circuit).
NOTE:
The DTC detection method (See
PRE-CHECK ).
DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| B1242 | Wireless Door Lock Tuner Circuit Malfunction |