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Backup Lamps

WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.
CONDITION POSSIBLE CAUSES CORRECTION
BACKUP LAMP DOES NOT ILLUMINATE 1. Ineffective or missing bulb. 1. Test and replace backup lamp bulb if required.
2. Ineffective ground circuit. 2. Test and repair open backup lamp ground circuit if required.
3. Ineffective feed circuit. 3. Test and repair open backup lamp feed circuit if required.
4. Ineffective switch. 4. Test and replace backup lamp switch (manual transmission) or TRS (automatic transmission) if required.
5. Ineffective BCM inputs or outputs. 5. Use a diagnostic scan tool to test the BCM inputs and outputs. Refer to the appropriate diagnostic information.
BACKUP LAMP DOES NOT EXTINGUISH 1. Ineffective feed circuit. 1. Test and repair shorted backup lamp feed circuit if required.
2. Ineffective switch. 2. Test and replace backup lamp switch (manual transmission) or TRS (automatic transmission) if required.
3. Ineffective BCM inputs or outputs. 3. Use a diagnostic scan tool to test the BCM inputs and outputs. Refer to the appropriate diagnostic information.
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