Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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CAN undervoltage detected.
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CAN network voltage below specification
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VDC/TC disabled, EBR functionality disabled
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Stability Control Active Too Long.
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Continuous and strong VDC intervention at front axle for >= 10s
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VDC/TC disabled
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ABS controler has detected, that there has been no pressure increase for an implausible long time.
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ABS controller detects that there have been no pressure increases and wheel has not recovered. Returns brake pressure control to driver
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VDC/TC disabled, possible wheel lock
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ABS Active Too Long.
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Continuous and strong ABS intervention at front axle for >= 10s
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VDC/TC disabled
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Brake Pedal Switch Plausibility monitor against master cylinder pressure sensor failed.
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Master cylinder pressure rise is not correlated with switch state
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Degrades automatic braking functionality
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Brake Pedal Switch Plausibility monitor against master cylinder pressure sensor failed.
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Master cylinder pressure rise is not correlated with switch state
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Degrades automatic braking functionality
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Brake Pedal Switch A: Signal stuck high.
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HW failure, connection failure, or improper installation of BLS switch
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Degrades automatic braking functionality
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Brake Fluid: Fluid level low. Ensure brake fluid levels are appropriate.
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Brake fluid level signal reported low
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Vehicle braking performance/functionality may degrade
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Brake Pressure Sensor A: Plausibility against second signal failed.
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Pressure sensor sensitivity is out of specification
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Will disable VDC/TC and degrade ABS
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Brake Pressure Sensor A: Adjustment not possible (Offset too large).
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The offset value of the master cylinder pressure sensor Ps MC1 is out of specification.
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Will disable VDC/TC and degrade ABS
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Brake Pressure Sensor A: Line Short to Ground or Interruption.
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Pressure Sensor Master Cylinder 1 Line Error
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Will disable VDC/TC and degrade ABS
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Right Rear Wheel Speed Sensor Generic Fault.
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WSS test failure of WSS_RR (Short circuit supply line to UBATT short circuits between sensors any line failure)
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Will disable VDC/TC and degrade ABS
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Wss fault due to Alignment or adjustment incorrect.
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Bad airgap, wheel vibrations or incorrectly mounted WSS.
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Will disable VDC/TC and degrade ABS
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Right Rear Wheel Speed Sensor: Plausibility against second signal failed due to monitoring of wheel speed differences.
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Large wheel speed diff relative to other sensors detected
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Will disable VDC/TC and degrade ABS
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Right Rear Wheel Speed Sensor against second signal failed due WSS signal interferences or disturbances.
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WSS signal interferences or disturbances
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Will disable VDC/TC and degrade ABS
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WSS fault due to missing wheel speed signal.
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No stop pulses occurred on WSS
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Will disable VDC/TC and degrade ABS
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WSS fault due to missing wheel speed signal.
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Wss fault due to missing wheel speed sensor signal
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Will disable VDC/TC and degrade ABS
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WSS_RR HET TU buffer noise (enormous amount of edges ocurred).
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Signal from WSS is noisy/implausible
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Will disable VDC/TC and degrade ABS
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Maximum wheel speed reached. Range monitoring for WSS signal which monitors non-plausible high wheel velocity.
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HW failure in wheel speed sensor
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Will disable VDC/TC and degrade ABS
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WSS_RR line interruption (sensor or supply line).
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WSS line failure (no exact failure reason detectable).
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Will disable VDC/TC and degrade ABS
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