Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM2020DURANGO GT, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULE (BCM) - DTCS B1208-11 TO B2103-15DTC TROUBLESHOOTINGB16CF-11-LEFT DRL LAMP CONTROL - CIRCUIT SHORT TO GROUNDDIAGNOSTIC TEST
2020 Dodge and Ram Durango GT, AWD
Diagnostic Test
2020 Dodge and Ram Durango GT, AWDSECTION Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- Turn the ignition on.
- Activate the Daytime Running Lamps (DRL).
- With the scan tool, read Body Control Module (BCM) DTCs and record on the repair order.
Is the DTC active?
Yes
- Go To 2
No
- The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. If no problems are found, test complete.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST
- CHECK THE LEFT FRONT LAMP ASSEMBLY
- Turn the ignition off.
- Disconnect the Left Front Lamp Assembly harness connector.
- Turn the ignition on.
- Activate the Daytime Running Lamps (DRL).
- With the scan tool, read BCM DTCs.
Is the DTC active?
Yes
- Go To 3
No
- Replace the Left Front Daytime Running Lamp Bulb in accordance with the Service Information. Refer to UNIT, FRONT LAMP, STANDARD PROCEDURE .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST
- CHECK THE (L58) LEFT DRL LAMP DRIVER CIRCUIT FOR A SHORT TO GROUND
- Turn the ignition off.
- Disconnect the BCM D harness connector.
- Check for continuity between ground and the (L58) Left DRL Lamp Driver circuit at the Left Front Lamp Assembly harness connector.
Is there continuity between ground and the (L58) Left DRL Lamp Driver circuit?
Yes
- Replace the Body Control Module (BCM) in accordance with the Service Information. Refer to MODULE, BODY CONTROL (BCM), REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST
No
- Repair the short to ground in the (L58) Left DRL Lamp Driver circuit.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.