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 RAM2023DURANGO R/T PREMIUM, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULE (BCM) - DTCS B1208-11 TO B16F7-11DTC TROUBLESHOOTINGB16AF-15-LEFT STOP LAMP CONTROL-CIRCUIT SHORT TO BATTERY OR OPENDIAGNOSTIC TEST
2023 Dodge and Ram Durango R/T Premium, AWD
Diagnostic Test
2023 Dodge and Ram Durango R/T Premium, AWDSECTION Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- Turn the ignition on.
- Apply the Brake Pedal.
- With the scan tool, read BCM DTCs.
Does the scan tool display this DTC as active?
Yes
- Go To 2
No
- Test complete. 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.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- CHECK THE (L52) LEFT STOP LAMP DRIVER CIRCUIT FOR A SHORT TO VOLTAGE
- Release the Brake Pedal.
- Turn the ignition off.
- Disconnect the Left Tail Lamp Assembly harness connector.
- Turn the ignition on.
- Measure the voltage on the (L52) Left Stop Lamp Driver circuit at the Left Tail Lamp Assembly harness connector.
Is there any voltage present?
Yes
- Repair the short to voltage in the (L52) Left Stop Lamp Driver circuit.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Go To 3
- CHECK THE (L52) LEFT STOP LAMP DRIVER CIRCUIT FOR AN OPEN
- Turn the ignition off.
- Disconnect the BCM C6/F harness connector.
- Measure the resistance of the (L52) Left Stop Lamp Driver circuit between the Left Tail Lamp Assembly harness connector and the BCM C6/F harness connector.
Is the resistance above 3.0 Ohms?
Yes
- Repair the open in the (L52) Left Stop Lamp Driver circuit.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Go To 4
- CHECK THE (Z923) GROUND CIRCUIT FOR AN OPEN
- Using a 12-volt test light connected to 12-volts, check the (Z923) Ground circuit at the Left Tail Lamp Assembly harness connector.
Does the test light illuminate brightly?
Yes
- Go To 5
No
- Repair the open in the (Z923) Ground circuit.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- Using a 12-volt test light connected to 12-volts, check the (Z923) Ground circuit at the Left Tail Lamp Assembly harness connector.
- CHECK THE BCM FOR CORRECT OPERATION
- Turn the ignition off.
- Connect the BCM C6/F harness connector.
- Connect a 12-volt test light between the (L52) Left Stop Lamp Driver circuit and the (Z923) Ground circuit at the Left Tail Lamp Assembly harness connector.
- Turn the ignition on.
- Apply the Brake Pedal.
Does the test light illuminate brightly?
Yes
- Replace the Left Stop Lamp in accordance with the Service Information. Refer to LAMP, TAIL STOP TURN, REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- 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 .
RENDER: 1.0x
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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.