DTC P1617: Distance Control ECU Malfunction: Description
In the dynamic radar cruise control system, the ECM and driving support ECU communicate with one another to control the system based on certain designation information. If the designation information of the ECM and driving support ECU are different or the driving support ECU is malfunctioning, this DTC is stored.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| P1617 | While the vehicle speed is 50 km/h (30 mph) or more with the cruise control switch on, a designation signal from the ECM and a designation return signal from the driving support ECU do not match or the driving support ECU is malfunctioning for 0.3 seconds or more. |
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