Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE CHART
| DTC No. | Circuit Inspection | Trouble Area |
|---|---|---|
| No DTC | "System OK" | - |
| 1 | "Code 1" GPS antenna failure |
|
| 2 | "Code 2" Button module failure |
|
| 3 | "Code 3" Transceiver failure |
|
| 4 | "Code 4" ECU failure | Telephone ECU (Mayday ECU) |
| 5 | "Code 5" Back-up battery failure |
|
| 6 | "Code 6" Loss of BEAN communication |
|
HINT:
After all of the instruction messages have been provided, the voice of "Diagnostic complete" follows.