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, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULE (BCM) - DTCS B2119-15 TO C1006-13DTC TROUBLESHOOTINGB2121-15-IGNITION RUN CONTROL 1-CIRCUIT SHORT TO BATTERY OR OPENDIAGNOSTIC TEST

2023 Dodge and Ram Durango R/T, RWD

Diagnostic Test

2023 Dodge and Ram Durango R/T, RWDSECTION Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. With the scan tool, read Body Control Module (BCM) DTCs and record on the repair order.
2. Record the Environmental Data and any DTCs.
3. With the scan tool, erase DTCs.
4. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
5. With the scan tool, read BCM DTCs.
  Did the DTC return?
  
  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 RUN RELAY FOR PROPER OPERATION
1. Turn the ignition off.
2. Remove the Run Relay from the Power Distribution Center (PDC) Assembly.
  NOTE:
  If the substituted relay does not change the DTC status to Stored, reinstall the relay that was previously removed.
3. Temporarily substitute the relay with a known good relay.
4. Turn the ignition to the RUN position.
5. With the scan tool, read DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go To 3
  No
  - Replace the Run Relay.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE PDC ASSEMBLY GROUND CIRCUIT FOR AN OPEN
1. Turn the ignition off.
2. Remove the Run Relay from the PDC Assembly.
3. Measure the resistance of the PDC Assembly Ground circuit between ground and the Run Relay terminal in the PDC Assembly.
  Is the resistance above 3.0 Ohms?
  
  Yes
  - Go To 7
  No
  - Go To 4
CHECK FOR VOLTAGE ON THE (K619) RUN RELAY CONTROL CIRCUIT
1. Turn the ignition to the ACC position.
2. Measure the voltage on the (K619) Run Relay Control circuit at Run Relay terminal in the PDC Assembly.
  Is the voltage above 3.5 volts?
  
  Yes
  - Go To 5
  No
  - Go To 6
CHECK THE (K619) RUN RELAY CONTROL CIRCUIT FOR A SHORT TO VOLTAGE
1. Turn the ignition off.
2. Disconnect the PDC Assembly harness connector containing the circuit being tested.
3. Turn the ignition to the ACC position.
4. Measure the voltage on the (K619) Run Relay Control circuit at the PDC Assembly harness connector.
  Is the voltage above 3.5 volts?
  
  Yes
  - Repair the short to voltage in the (K619) Run Relay Control circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 8
CHECK THE (K619) IGNITION RUN RELAY CONTROL CIRCUIT FOR AN OPEN
1. Turn the ignition off.
2. Disconnect the BCM C5/E harness connector.
3. Measure the resistance of the (K619) Run Relay Control circuit between the C5/E harness connector and the Run Relay terminal in the PDC Assembly.
  Is the resistance above 3.0 Ohms?
  
  Yes
  - Go To 7
  No
  - Go To 9
CHECK THE PDC ASSEMBLY FOR AN INTERNAL OPEN
1. If Diagnosing the PDC Assembly Ground Circuit: Disconnect the PDC Assembly harness connector containing the circuit being tested.
2. Measure the resistance between ground and the PDC Assembly Ground circuit at the PDC Assembly harness connector.
3. If Diagnosing the (K619) Run Relay Control Circuit: Disconnect the PDC Assembly harness connector containing the circuit being tested.
4. Measure the resistance of the (K619) Run Relay Control circuit between the PDC Assembly harness connector and the BCM C5/E harness connector.
  Is the resistance above 3.0 Ohms?
  
  Yes
  - Repair the open in either the PDC Assembly Ground circuit or the (K619) Run Relay Control circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 8
CHECK RELATED PDC ASSEMBLY HARNESS CONNECTIONS
1. Disconnect all PDC Assembly harness connectors.
2. Disconnect all related in-line harness connections (if equipped).
3. Disconnect the related component harness connectors.
4. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
  - Proper connector installation.
  - Damaged connector locks.
  - Corrosion.
  - Other signs of water intrusion.
  - Weather seal damage (if equipped).
  - Bent terminals.
  - Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
  - Terminals that have been pushed back into the connector cavity.
  - Perform a terminal drag test on each connector terminal to verify proper terminal tension.
  Repair any conditions that are found.
5. Connect all PDC Assembly harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
6. Connect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
7. Connect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
8. With the scan tool, erase DTCs.
9. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
10. With the scan tool, read BCM DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Power Distribution Center (PDC) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  - Test complete.
CHECK RELATED BCM HARNESS CONNECTIONS
1. Disconnect all BCM harness connectors.
2. Disconnect all related in-line harness connections (if equipped).
3. Disconnect the related component harness connectors.
4. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
  - Proper connector installation.
  - Damaged connector locks.
  - Corrosion.
  - Other signs of water intrusion.
  - Weather seal damage (if equipped).
  - Bent terminals.
  - Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
  - Terminals that have been pushed back into the connector cavity.
  - Perform a terminal drag test on each connector terminal to verify proper terminal tension.
  Repair any conditions that are found.
5. Reconnect all BCM harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
6. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
7. Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
8. With the scan tool, erase DTCs.
9. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
10. With the scan tool, read BCM DTCs.
  Did the DTC return?
  
  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
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  - Test complete.

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.