Diagnostic Test
- CHECK FOR ANY SERVICE BULLETINS OR PCM SOFTWARE UPDATES
- Check for any applicable Service Bulletins or Flash updates related to the DTC.
Are there any applicable Service Bulletins or Flash updates?
Yes
- Perform the applicable repair.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 2
- Check for any applicable Service Bulletins or Flash updates related to the DTC.
- READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR THE DTC TO RETURN
- With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
- For future reference, with the scan tool, run and save a vehicle Scan Report and all related recorded data.
- With the scan tool, erase all DTCs.
- Turn the ignition off for a minimum of 10.0 seconds.
- Turn the ignition on.
- Using the When Monitored and Set Conditions above and recorded data, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read DTCs.
Did the DTC return?
Yes
- Go To 3
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
- CHECK FOR OTHER DTCS
- Refer to the recorded DTCs.
Are there any 5-Volt Supply circuit or Crankcase Pressure Sensor circuit DTCs active or pending?
Yes
- Perform the applicable diagnostic procedure(s). Refer to DIAGNOSTIC CODE INDEX .
No
- Go To 4
- Refer to the recorded DTCs.
- CHECK THE EGR VALVE COLD HOSE FOR LEAKS
- Visually inspect the EGR Cold Hose for proper installation, damage, and signs of leaking.
Were any issues found with the EGR System?
Yes
- Perform the appropriate repair.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 5
- Visually inspect the EGR Cold Hose for proper installation, damage, and signs of leaking.
- CHECK THE CRANKCASE HOSES FOR CLOGGING, LEAKS, OR OTHER DAMAGE
- Turn the ignition off.
- Inspect the Crankcase Hose and connections for signs of clogging, leaks, or other damage.
Is the Crankcase Hose broken, pinched, leaking, or otherwise damaged?
Yes
- Replace the damaged hose in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 6
- CHECK THE INTAKE MANIFOLD FOR LEAKS
- Visually inspect the Intake Manifold for signs leaks or damage.
Were any issues or leaks found at the Intake Manifold?
Yes
- Perform the appropriate repair in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Replace the PCV Valve in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Visually inspect the Intake Manifold for signs leaks or damage.