Diagnostic Test
WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- VERIFY DTC IS ACTIVE NOTE:
Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.
- CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC's
- With the scan tool, read all active DTC's from all modules.
- Check for:
- TIPM configuration.
- CAN B or C hardware electrical.
- VIN Missing/Mismatch.
- Battery or ignition related DTC's.
Does the scan tool display any active DTC's to the conditions listed above?
Yes
- Refer to 3.7L/4.7L/5.7L - DIAGNOSTIC CODE INDEX - NGC - 1500 & 2500 or 6.7L - DIAGNOSTIC CODE INDEX - 2500 & 3500 or 5.7L - DIAGNOSTIC CODE INDEX - 3500 CAB & CHASSIS or 6.7L - DIAGNOSTIC CODE INDEX - 3500 CAB & CHASSIS, 4500 & 5500 and perform the appropriate diagnostic test procedure.
No
- Go To 3.
- VERIFY THAT THE ECM/PCM IS ACTIVE ON THE BUS
- Ignition on, engine not running.
- With the scan tool, select Network Diagnostics.
- Verify that the PCM is active on the bus.
Is the PCM active on the bus?
Yes
- Go To 4.
No
- Perform the appropriate diagnostic procedure. Refer to TIPM - DIAGNOSIS AND TESTING .
- CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC's
- With the scan tool, select Network Diagnostics.
Is there more than one module with active DTC's "Logged Against" the PCM?
Yes
- Replace the Powertrain Control Module (PCM) in accordance with the service information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to 1500 & 2500 - 3.7L, 4.7L & 5.7L - POWERTRAIN VERIFICATION TEST or 2500 & 3500 - POWERTRAIN VERIFICATION TEST - 6.7L or 3500 CAB & CHASSIS - POWERTRAIN VERIFICATION TEST or 3500 CAB & CHASSIS, 4500 & 5500 - POWERTRAIN VERIFICATION TEST - 6.7L .
No
- Replace the module that set this DTC in accordance with the service information.
- Perform FDCM VERIFICATION TEST. Refer to FDCM VERIFICATION TEST .
- With the scan tool, select Network Diagnostics.
- INTERMITTENT WIRING AND CONNECTORS
- The conditions necessary to set this DTC are not present at this time.
- Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
- Wiggle test the wiring harness and connectors while checking for shorted and open circuits.
- Using the scan tool, monitor the data related to this circuit while performing the wiggle test. Look for the data to change or for the DTC to reset.
Were there any problems found?
Yes
- Repair as necessary.
- Perform FDCM VERIFICATION TEST. Refer to FDCM VERIFICATION TEST .
No
- Test complete.