Diagnostic Test
WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR AN ACTIVE DTC NOTE:
Diagnose any Communication DTCs before continuing.
- Ignition on
- With the scan tool, read DTCs and record on the repair order.NOTE:
It may be necessary to drive the vehicle to meet the conditions to set this DTC, try to repeat the conditions in which the fault originally set by reviewing the Freeze Frame data.
Is the DTC active or pending?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
- INTELLIGENT BATTERY SENSOR CIRCUIT DTCS SET IN THE BODY CONTROL MODULE
Are any Intelligent Battery Sensor Circuit DTCs set in the Body Control module?
Yes
- Diagnose the appropriate Intelligent Battery Sensor Circuit DTC in the Body Control module. Refer to BODY CONTROL MODULE (BCM) - DIAGNOSTIC CODE INDEX - 2500 HD & 3500 HD article .
No
- Go To 3
- VERIFY CORRECT BATTERY INSTALLED
- Verify that the correct battery is installed in the vehicle.
Is the correct battery installed?
Yes
- Replace the Intelligent Battery Sensor (IBS) in accordance with the Service Information. Refer to SENSOR, INTELLIGENT BATTERY (IBS), REMOVAL .
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Replace the Battery. Refer to BATTERY, REMOVAL .
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Verify that the correct battery is installed in the vehicle.