Diagnostic Test

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, navigate to Systems Tests and actuate the Diesel Exhaust Fluid Prime Test.
3. With the scan tool, View DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION - 6.7L diagnostic procedure. Refer to STANDARD PROCEDURE .
CHECK THE DEF LINE AND FITTINGS FOR RESTRICTIONS
1. Turn the ignition off.
2. Remove the line from the fitting at the DEF Supply Pump Assembly and DEF Injector and inspect the fittings for signs of crystallization or blockages.
  Were any blockages found?
  
  Yes
  - Repair or replace the blocked lines or fittings as necessary.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to STANDARD PROCEDURE .
  No
  - Replace the DEF Supply Pump Assembly in accordance with the service information. Refer to ASSEMBLY, DIESEL EXHAUST FLUID PUMP, REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to STANDARD PROCEDURE .