Diagnostic Test

WARNING: This page is about a different car, the 2019 RAM 3500 HD and 2019 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR OTHER DTCS
1. Ignition on, engine not running.
2. With the scan tool, read DTCs.
  Are there any other DTCs related to Fuel Pressure?
  
  Yes
  - Perform the diagnostics for those DTCs before proceeding with this one.
  No
  - Go To 2
CHECK FOR AN ACTIVE DTC
1. With the scan tool, record all Freeze frame data.
2. With the scan tool, erase DTCs.
3. Turn the ignition off for 75 seconds.
4. Turn the ignition on.
5. With the scan tool, read DTCs.
  Did DTC P008A reset?
  
  Yes
  - Go To 3
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
CHECK THE FUEL DELIVERY SYSTEM
1. Refer to CHECKING THE FUEL DELIVERY SYSTEM and perform the CHECKING THE FUEL DELIVERY SYSTEM diagnostic procedure.
  Were any problems found?
  
  Yes
  - Repairs are complete.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .