Diagnostic Test

WARNING: This page is about a different car, the 2016 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DTC
1. Ignition on, engine not running.
2. With the scan tool, read DTCs.
  NOTE:
  If there any Intake Manifold Temperature Sensor or Coolant Temperature Sensor DTCs present, perform the Diagnostics for those DTCs before continuing with this one.
  
  NOTE:
  If DTC U02A2-00 is present, perform the Diagnostics for those DTCs before continuing with this one.
  
  Is this DTC active?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT DTC .
DEF QUALITY SENSOR
1. Turn ignition off.
2. Disconnect the DEF Quality Sensor harness connector.
  NOTE:
  Check connectors for corrosion or foreign materials- Clean/repair as necessary.
  
  Are there dirty or damaged pins?
  
  Yes
  - Repair/Replace as necessary.
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
  No
  - Replace the DEF Quality Sensor in accordance with the Service Information.
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .