DTC P1616: Communication Error from ECM to Distance Control ECU: 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 |
|---|---|---|
| P1616 | 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 ECM to the distance control ECU is abnormal. |
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