DTC C191A: Malfunction in Signal from Steering Sensor to Rear Active Stabilizer Control ECU: Description

If the rear active stabilizer control ECU receives a steering sensor malfunction signal, DTC C191A is output. The steering sensor is diagnosed by the skid control ECU and steering control ECU. If electronically controlled brake system and Variable Gear Ratio Steering (VGRS) system related DTCs are output, perform a diagnosis for those DTCs. If no electronically controlled brake or VGRS system DTCs are output, there may be a malfunction in the rear active stabilizer control ECU.