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.

ACTIVE DTC
NOTE:
Check the DEF System for any visual signs of tampering.
1. Ignition on, engine not running.
2. With the scan tool check for active DTCs.
  Are there any other DEF System DTCs present?
  
  Yes
  - Diagnose and repair those DTCs before continuing.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Go To 2
ACTIVE DTC
View repair

Yes
- If this DTC is present, the DEF Tank is Empty causing a derate of 5 mph. A minimum of two and a half gallons of approved Diesel Exhaust Fluid must be added.
- Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
No
- Perform the INTERMITTENT CONDITION - 6.7L. Refer to INTERMITTENT CONDITION - 6.7L .