DTC C191B: Rear Vehicle Speed Signal: Description
If the rear active stabilizer control ECU receives a wheel speed malfunction signal, DTC C191B is output. The wheel speed signal is diagnosed by the skid control ECU. If electronically controlled brake system related DTCs are output, perform a diagnosis for those DTCs. If no electronically controlled brake system DTCs are output, there may be a malfunction in the rear active stabilizer control ECU.
| DTC Code | Detection Condition | Trouble Area |
|---|---|---|
| C191B | Wheel speed signals are sent from skid control ECU to rear active stabilizer control ECU, but signal reception is possible only for 1 wheel or less for 5 seconds |
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