DTC P1631/65 Communication Error from ECM to Skid Control ECU; DTC U0100/78 Communication Stop from ECM to Distance Control ECU, VSC: Description
WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
Therefore, if the skid control ECU detects a communication error from the ECM, it sends a malfunction signal back to the ECM.
DTC DETECTION CONDITIONS
| DTC No. | DTC Detection Conditions | Trouble Areas |
|---|---|---|
| P1631/65 | While the cruise control is either preparing for operation or operating, if the ECM continuously receives a logical error signal from the skid control ECU for a certain amount of time, the ECM records this logical error code |
|
| U0100/78 | While the cruise control is either preparing for operation or operating, if the ECM continuously receives a communication cut off signal from the skid control ECU for a certain amount of time, the ECM records this communication cut off code |
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