Alerts
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| Signal Name | Description | Condition | Impact |
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The vehicle gateway (GTW) detects its microSD card file system boot sector has become corrupted. The microSD card needs to be successfully formatted.
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The GTW file system driver detects the microSD card file system boot sector as corrupted.
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Controller area network (CAN) logs / logging and vehicle firmware updates will be unavailable. Previously stored logs will be lost due to file system corruption.
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Due to product security concerns, the vehicle gateway (GTW) has blocked a unified diagnostic services (UDS) message that the infotainment system attempted to send via GTW over a controller area network (CAN) bus. May result from a UDS message not having correct permissions (not whitelisted), but may also indicate an attempt to penetrate product security via the infotainment processor.
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The GTW receives a UDS message without adequate product security permissions (not whitelisted).
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UDS communication may not function as expected. Diagnostic routine(s) may not complete successfully due to lack of communication.
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GTW_w081_disVersionMismatch
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The vehicle gateway (GTW) detects an abnormally high amount of message traffic on the Chassis (CH) controller area network (CAN) bus. May result from a specific electronic control unit (ECU) showing unusual level of CAN activity or due to an unexpected event causing higher message rate than expected from multiple ECUs.
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The GTW detects the CH CAN bus has an abnormally high amount of message traffic (greater than 70% of maximum capacity, or bandwidth).
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Some CAN messages sent over the CH bus may be dropped / not received. Features depending on communication over the CH bus may be limited or unavailable.
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GTW_w079_can5Errors
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The vehicle gateway (GTW) detects an abnormally high amount of message traffic on the PARTY controller area network (CAN) bus. May result from a specific electronic control unit (ECU) showing unusual level of CAN activity or due to an unexpected event causing higher message rate than expected from multiple ECUs.
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The GTW detects the PARTY CAN bus has an abnormally high amount of message traffic (greater than 70% of maximum capacity, or bandwidth).
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Some CAN messages sent over the PARTY bus may be dropped / not received. Features depending on communication over the PARTY bus may be limited or unavailable.
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GTW_w078_can4Errors
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The vehicle gateway (GTW) detects an abnormally high amount of message traffic on the Vehicle (VEH) controller area network (CAN) bus. May result from a specific electronic control unit (ECU) showing unusual level of CAN activity or due to an unexpected event causing higher message rate than expected from multiple ECUs.
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The GTW detects the VEH CAN bus has an abnormally high amount of message traffic (greater than 70% of maximum capacity, or bandwidth).
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Some CAN messages sent over the VEH bus may be dropped / not received. Features depending on communication over the VEH bus may be limited or unavailable.
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GTW_w077_can3Errors
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The vehicle gateway (GTW) has detected an error affecting the car computer infotainment processor (BMP) power management integrated circuit (PMIC). May indicate a hardware condition affecting the infotainment processor's power supply.
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The GTW detects an error affecting BMP PMIC functionality. Alert log signal data should provide more information.
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Features depending on car computer infotainment processor functionality, including the touchscreen (UI) and connectivity, may be limited or unavailable.
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GTW_w076_can2Errors
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The vehicle gateway (GTW) has not received an expected system status message from the secondary Electronic Power-Assisted Steering (EPAS3S) electronic control unit (ECU) via the controller area network (CAN) within the required time period, indicating the EPAS3S ECU may be unavailable and power steering may be limited or unavailable.
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The GTW does not receive the system status CAN message from EPAS3S ECU during 5 consecutive message cycles (for 50ms) while the vehicle is in Drive.
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Power steering and Autopilot features depending on EPAS3S, including Autosteer, may be limited or unavailable.
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GTW_w075_can1Errors
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The vehicle gateway (GTW) has not received an expected system status message from the primary Electronic Power-Assisted Steering (EPAS3P) electronic control unit (ECU) via the controller area network (CAN) within the required time period, indicating the EPAS3P ECU may be unavailable and power steering may be limited or unavailable.
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The GTW does not receive the system status CAN message from EPAS3P ECU during 5 consecutive message cycles (for 50ms) while the vehicle is in Drive.
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Power steering and Autopilot features depending on EPAS3P, including Autosteer, may be limited or unavailable.
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The vehicle gateway (GTW) is cycling power (off, then on again) to the infotainment processor and touchscreen (UI) in response to user input via the steering wheel controls (a scroll-wheel reset request). This alert is primarily informational and for logging purposes.
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The GTW detects a steering wheel controls (scroll-wheel) reset request.
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A successful steering wheel controls (scroll-wheel) reset reboots infotainment features / components, including the touchscreen and car computer (may vary based on vehicle platform / infotainment system). This alert is intended to log the reset request and does not indicate any expected impact on vehicle functionality.
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GTW_w073_can5BusOff
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The vehicle gateway (GTW) detects that at least one electronic control unit (ECU) did not successfully install an update during an attempted vehicle software update. Version mismatch alerts should be present indicating any ECUs affected as the software they are running may now be incompatible with the software versions installed on other ECUs. The vehicle software update may also have aborted before changes were made to any ECUs.
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The GTW Updater application does not successfully install updated software on every ECU during an attempted vehicle software update.
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This alert is primarily informational and for logging purposes to indicate a vehicle software update did not install successfully on every expected ECU. No direct impact on vehicle functionality expected due to this alert, but it indicates the vehicle software update aborted or at least one ECU update did not succeed. Version mismatch alert(s) should be present to indicate any ECU not updated successfully.
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GTW_w069_can1BusOff
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Production security keys, which are used to validate vehicle software updates, have not been provisioned for the vehicle gateway (GTW). Production security keys are normally provisioned when the car computer is production-fused, so another alert may be present indicating the car computer and GTW need to be production-fused.
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Production security keys have not been provisioned for the GTW.
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The car computer and GTW are vulnerable to security risks, and the vehicle is unable to validate and install production vehicle software updates.
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The vehicle gateway (GTW) has reset unexpectedly due to an internal error (exception to normal operation). May occur due to either software or hardware conditions affecting GTW function.
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An exception to normal GTW function occurs, causing the GTW to reboot unexpectedly. Alert log signal data should provide more information.
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Features depending on GTW functionality may be limited or unavailable while the GTW reboots. Vehicle may enter limp mode, with other alerts present to indicate this condition if it occurs.
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