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Reverse Lamps

CONDITION POSSIBLE CAUSES CORRECTION
REVERSE LAMP DOES NOT ILLUMINATE 1. Ineffective LED lamp. 1. Test and replace reverse lamp LED assembly if required.
2. Ineffective ground circuit. 2. Test and repair open reverse lamp ground circuit if required.
3. Ineffective feed circuit. 3. Test and repair open reverse lamp feed circuit if required.
4. Stuck switch. 4. Remove the switch and check for debris. Clean and retest. Replace the switch if no improvement.
5. Ineffective switch. 5. Test and replace reverse lamp switch (manual transmission) or TRS (automatic transmission) if required.
6. Ineffective BCM inputs or outputs. 6. Use a diagnostic scan tool to test the BCM inputs and outputs. Refer to the appropriate diagnostic information.
REVERSE LAMP DOES NOT EXTINGUISH 1. Ineffective feed circuit. 1. Test and repair shorted reverse lamp feed circuit if required.
2. Stuck switch. 2. Remove the switch and check for debris. Clean and retest. Replace the switch if no improvement.
3. Ineffective switch. 3. Test and replace reverse lamp switch (manual transmission) or TRS (automatic transmission) if required.
4. Ineffective BCM inputs or outputs. 4. Use a diagnostic scan tool to test the BCM inputs and outputs. Refer to the appropriate diagnostic information.
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