DTC C1201/51 Engine Control System Malfunction: Description
WARNING: This page is about a different car, the 2008 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
If a malfunction in the engine control system is detected through the CAN, the operations of VSC and TRAC are prohibited by the fail-safe function. When the signals from the engine are input normally, the fail-safe is canceled and the DTC is stored.
DTC DETECTION CONDITION CHART
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1201/51 | Engine control system malfunction signal continues for 1.2 seconds. | SFI system |