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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 833 (3.0L Diesel - DTCS P067C-00 To P20BE-00 - 1500) >> Diagnosis And Testing >> P2047-00-REDUCTANT Injector 1/1 Circuit >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR ACTIVE DTC 
    NOTE:

    If DTCs P1690, P1691, P1692, or P1693 are present, perform the Diagnostics on those DTCs before continuing with this one.

    NOTE:

    Inspect the Diesel Exhaust Fluid before continuing with this Diagnostic Tree. If there is evidence of contamination or degraded fluid; Perform the Diagnostic and Testing - Diesel Exhaust Fluid procedure.

    Refer to DIESEL EXHAUST FLUID EMISSIONS, DIAGNOSIS AND TESTING .

    1. Ignition on, engine not running.
    2. With the scan tool, erase DTCs in the Powertrain Control Module (PCM).
    3. Start the engine and allow to reach operating temperature.
    4. Test drive the vehicle during normal operating conditions.
    5. With the scan tool, read the PCM DTCs.

      Did this DTC return?

      Yes 

      • Go To  2

      No 

      • Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT DTC .
  2. DEF INJECTOR 
    1. Turn the ignition off.
    2. Disconnect the PCM C2 harness connector.
    3. Disconnect the DEF Injector harness connector.
    4. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
      • Proper connector installation.
      • Damaged connector locks.
      • Corrosion.
      • Other signs of water intrusion.
      • Weather seal damage (if equipped).
      • Bent terminals.
      • Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
      • Terminals that have been pushed back into the connector cavity.
      • Perform a terminal drag test on each connector terminal to verify proper terminal tension.

      Repair any conditions that are found.

    5. Reconnect all harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
    6. Ignition on, engine not running.
    7. With the scan tool, erase DTCs in the Powertrain Control Module (PCM).
    8. Start the engine and allow to reach operating temperature.
    9. Test drive the vehicle during normal operating conditions.
    10. With the scan tool, read the PCM DTCs.

      Does the scan tool display this DTC?

      Yes 

      • Go To  3

      No 

      • Test complete. Reset the SCR Timer: Using the scan tool, go to Misc. Functions>SCR Extend Mileage W Active Fault (and reset the Timer).
      • Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
  3. DEF INJECTOR 
    1. Turn the ignition off.
    2. Replace the DEF Injector in accordance with the Service Information. Refer to INJECTOR, DIESEL EXHAUST FLUID, REMOVAL .
    3. Ignition on, engine not running.
    4. With the scan tool, erase DTCs in the Powertrain Control Module (PCM).
    5. Start the engine and allow to reach operating temperature.
    6. Test drive the vehicle during normal operating conditions.
    7. With the scan tool, read the PCM DTCs.

      Does the scan tool display this DTC?

      Yes 

      • Go To  4

      No 

      • Test complete. Reset the SCR Timer: Using the scan tool, go to Misc. Functions>SCR Extend Mileage W Active Fault (and reset the Timer).
      • Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
  4. POWERTRAIN CONTROL MODULE 
    1. Disconnect all PCM harness connectors.
    2. Disconnect all related in-line harness connections (if equipped).
    3. Disconnect the related component harness connectors.
    4. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
      • Proper connector installation.
      • Damaged connector locks.
      • Corrosion.
      • Other signs of water intrusion.
      • Weather seal damage (if equipped).
      • Bent terminals.
      • Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
      • Terminals that have been pushed back into the connector cavity.
      • Perform a terminal drag test on each connector terminal to verify proper terminal tension.

      Repair any conditions that are found.

    5. Reconnect all PCM harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
    6. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
    7. Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
    8. With the scan tool, erase DTCs.
    9. Using the recorded Freeze Frame and Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
    10. With the scan tool, read PCM DTCs.

      Did the DTC return?

      Yes 

      • Replace the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to MODULE, POWERTRAIN CONTROL, REMOVAL .
      • Test complete. Reset the SCR Timer: Using the scan tool, go to Misc. Functions>SCR Extend Mileage W Active Fault (and reset the Timer).
      • Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .

      No 

      • Test complete.
      • Test complete. Reset the SCR Timer: Using the scan tool, go to Misc. Functions>SCR Extend Mileage W Active Fault (and reset the Timer).
      • Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
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