DTC P1615: Communication Error from Distance Control ECU to ECM: Description
The ECM sends the cruise control main switch signal, vehicle speed signal, etc. to the distance control ECU. The distance control ECU sends the acceleration signal, deceleration request signal, etc. to the ECM. The ECM controls cruise control according to these signals.
DTC DETECTION CONDITION AND TROUBLE AREA
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| P1615 | The vehicle speed is 40 km/h (25 mph) or more with the cruise control main switch on (vehicle-to-vehicle distance control mode) and the data sent from the distance control ECU to the ECM is abnormal. |
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