DTC P1630 Communication Error from VSC to ECM; DTC U0122 Lost Communication with Vehicle Dynamics Control Module: Description
The skid control ECU sends signals such as cruise control cancel demand signals, brake operation demand response signals from the ECM, etc. to the ECM when the dynamic radar cruise control system is in operation.
DTC DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| P1630 | While dynamic radar cruise control is either preparing for operation or operating, if communication data from skid control ECU is inconsistent logically for certain amount of time, ECM records logical error code |
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| U0122 | While dynamic radar cruise control is either preparing for operation or operating, if communication data from skid control ECU is invalid for a certain amount of time, ECM records communication cut off code |
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