DTC C2191/91 Vehicle Speed Signal Error (Test Mode DTC): Description
WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
The tire pressure warning ECU receives a vehicle speed signal from the combination meter. This DTC is stored upon entering test mode, and cleared when a vehicle speed signal of 20 km/h (12 mph) is detected for 3 seconds or more. This DTC is output only in test mode.
DTC DETECTION CONDITION AND TROUBLE AREA
| DTC No. | DTC Detecting Condition | Trouble Area |
|---|---|---|
| C2191/91 | Vehicle speed signal circuit malfunction |
|