Diagnostic Test

WARNING: This page is about a different car, the 2024 RAM ProMaster EV. However, it is still accessible from the selected car via links, so may be relevant.

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 Next Step.
  No
  - Perform the appropriate INTERMITTENT CONDITION diagnostic procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CHECK FOR ANY SERVICE BULLETINS OR MODULE SOFTWARE UPDATES
1. Check for any applicable Service Bulletins or Flash updates related to the DTC.
  Are there any applicable Service Bulletins or Flash updates?
  
  Yes
  - Perform the applicable repair.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go to Next Step.
VISUALLY INSPECT THE INTELLIGENT BATTERY SENSOR FOR DAMAGE AND CYCLE THE SENSOR CONNECTOR
1. Visually inspect the negative battery cable connection to the Intelligent Battery Sensor (IBS) for any damage or corrosion and repair as needed.
2. Disconnect the Intelligent Battery Sensor.
3. Wait a minimum of 30 seconds.
4. With the scan tool, erase DTCs.
5. With the scan tool, read BCM DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Intelligent Battery Sensor (IBS) in accordance with the Service Information. Refer to SENSOR, INTELLIGENT BATTERY (IBS), REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Perform the appropriate INTERMITTENT CONDITION diagnostic procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .