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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 1235 (Lamps/Lighting - Exterior (Service Information) 2500 Hd & 3500 Hd) >> Diagnosis And Testing >> Diagnosis And Testing - Exterior Lighting >> Rear Fog Lamps

Rear Fog Lamps

WARNING: This page is about a different car, the 2016 RAM 3500 HD and 2016 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
CONDITION POSSIBLE CAUSES CORRECTION
REAR FOG LAMP DOES NOT ILLUMINATE 1. Ineffective or missing bulb. 1. Test and replace rear fog lamp bulb if required.
2. Ineffective ground circuit. 2. Test and repair open rear fog lamp ground circuit if required.
3. Ineffective feed circuit. 3. Test and repair open fog lamp relay control rear circuit if required.
4. Incorrect BCM configuration. 4. Use a diagnostic scan tool to check and correct the BCM configuration settings if required. Refer to the appropriate diagnostic information.
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.
REAR FOG LAMP DOES NOT EXTINGUISH 1. Ineffective feed circuit. 1. Test and repair shorted fog lamp relay control rear circuit if required.
2. Ineffective BCM inputs or outputs. 2. Use a diagnostic scan tool to test the BCM inputs and outputs. Refer to the appropriate diagnostic information.
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