Electrical Compass Symptom Troubleshooting Index
Symptom
Diagnostic Procedure
Also Check for
Azimuth (direction) information is not shown on the display
Blown the fuse associated with the system
Compass shows wrong direction
Check if the zone setting is correct for the vehicle geographical location
Check for sources of strong magnetic fields near the electrical compass unit (i.e. Non-OEM electronics including radar detectors, toll road transponders, and/or speakers, magnetized tires and body panels, etc.)
Audio unit (B-CAN)
Compass does not calibrate
Make sure the rear door and the tailgate are closed
Check for sources of strong magnetic fields near the electrical compass unit (i.e. Non-OEM electronics including radar detectors, toll road transponders, and/or speakers, magnetized tires and body panels, etc.)
Audio unit (B-CAN)
Self-test has failed (flashing the CAL and NW)
Reboot the electrical compass unit