DTC C2173/73: Vehicle Speed or Engine Speed Signal Malfunction: Description
The tire pressure warning ECU receives a vehicle speed signal from the combination meter and an engine speed signal from the ECM. The tire pressure warning ECU uses these signals to detect DTCs C2121/21 to C2125/25 (No Signal from Transmitter) and DTC C2177/77 (Initialization not Completed).
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| C2173/73 | Following condition (a) or (b) is met for a total of 15 minutes: (a) No engine speed signal while vehicle speed is 8 km/h (5 mph) or more (b) No vehicle speed signal while engine speed is a specified value |
|
HINT:
This DTC is set at the same time as DTCs C2121/21 to C2125/25 are being set.