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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1318 (Lamps/Lighting - Exterior (Service Information)) >> Diagnosis And Testing >> Exterior Lighting >> Brake Lamps

Brake Lamps

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
CONDITION POSSIBLE CAUSES CORRECTION
BRAKE LAMP DOES NOT ILLUMINATE 1. Ineffective ground circuit. 1. Test and repair open brake lamp ground circuit if required.
2. Ineffective fuse. 2. Test and replace the fuse in the BCM if required.
3. Ineffective feed circuit. 3. Test and repair open brake lamp switch output circuit or stop lamp output circuit if required.
4. Ineffective switch. 4. Test and replace brake lamp switch 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.
BRAKE LAMP DOES NOT EXTINGUISH 1. Ineffective feed circuit. 1. Test and repair shorted brake lamp switch output circuit or stop lamp output circuit if required.
2. Improperly adjusted switch. 2. Adjust the brake lamp switch if required.
3. Ineffective switch. 3. Test and replace brake lamp switch 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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