Bendix Commercial Vehicle Systems WINGMAN ADVANCED FLR20 SENSOR - Manual (Page 22)

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Table 6B: Action Code and the Recommended Service to Use
Service
Action
Letter
Recommended Service (FLR20 Radar Sensors Only)
A
Possible causes:
• Some error conditions may occur at extreme high or low temperatures. These trouble
codes must be diagnosed with the ambient temperature above 32°F (0°C) and below
100°F (38°C).
Perform the following:
• Clear the Wingman Advanced trouble codes using the procedure in Section 4.4: Clearing
Diagnostic Trouble Codes (DTCs).
• If the error returns, call the Bendix Tech Team for assistance at 1-800-AIR-BRAKE (1-800-247-2725,
option 2).
B
Possible causes:
These trouble codes result from incorrect ignition, battery supply voltage, or wiring harness issues as
measured at the radar sensor.
Review the following sections:
• 4.5: Ignition Voltage Too Low
• 4.5: Ignition Voltage Too High
• 4.5: Power Supply Tests
• 4.8: Troubleshooting Wiring Harnesses
Perform the following:
• Verify ignition supply voltage to the radar sensor is between 9 to 16 VDC.
• Visually check for damaged or corroded connectors.
• Visually check for damaged wiring.
• Clear the Wingman Advanced trouble codes using the procedure in Section 4.4: Clearing Diagnostic
Trouble Codes (DTCs). If the error returns, call the Bendix Tech Team for assistance at
1-800-AIR-BRAKE (1-800-247-2725, option 2).
C
Possible causes:
These trouble codes may arise from infrequent conditions that could occur normally.
Perform the following:
• Check for sensor obstruction. Clean dirt or packed snow or ice from the sensor if present.
• Clear the Wingman Advanced trouble codes using the procedure in Section 4.4: Clearing
Diagnostic Trouble Codes (DTCs).
• If the error returns, call the Bendix Tech Team for assistance at 1-800-AIR-BRAKE (1-800-247-2725,
option 2).
D
This DTC is not an indicator of a malfunctioning sensor. Do not replace the sensor.
Possible causes:
Radar sensor OUT OF ALIGNMENT
Perform the following:
• Go to Appendix B1 and use the flowchart to find out the procedure needed. Follow the actions
directed in the procedure and align the radar.
• Clear the Wingman Advanced trouble codes using the procedure in Section 4.4: Clearing Diagnostic
Trouble Codes (DTCs).
• If the error returns, call Bendix for assistance at 1-800-AIR-BRAKE (1-800-247-2725, option 2).
E
This DTC is not an indicator of a malfunctioning sensor. Do not replace the sensor.
Possible causes:
The Wingman system is indicating a required signal from the ABS controller is missing or the ABS is
sending message indicating an error. This DTC could be accompanied by other active DTCs.
Review the following sections:
• 1.10: Radar Sensor Interchangeability
Perform the following:
• Check the ABS for trouble codes using the Bendix’s diagnostic procedures. Some examples are
incorrect ABS ECU software version, incorrect parameter settings, or failure of a component in the
ABS or ESP systems.
• Clear the Wingman Advanced trouble codes using the procedure in Section 4.4: Clearing Diagnostic
Trouble Codes (DTCs).
• If the error returns, call Bendix for assistance at 1-800-AIR-BRAKE (1-800-247-2725, option 2).
TABLE 6B - USE THE SERVICE ACTION CODE FOUND IN TABLE 6A TO FIND THE RECOMMENDED ACTIONS TO TAKE.