Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR THE DTC TO RETURN NOTE:
During cold ambient temperatures, it may be necessary to test drive the vehicle for an extended period to properly cycle the fail conditions for this DTC.
- With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
- For future reference, 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 75.0 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 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT DTC .
- CHECK FOR OTHER DTCS
- Refer to the recorded DTCs.
Are DTCs P24D0-00, P24DA-00, P24AE-00, U04A4-00, or U05A4-00 active or pending?
Yes
- Perform the applicable diagnostic procedure(s). Refer to DTC INDEX (1 OF 2) and/or DTC INDEX (2 OF 2) .
No
- Go To 3
- Refer to the recorded DTCs.
- CHECK THE EXHAUST SYSTEM FOR LEAKS
- Visually inspect the entire exhaust system for signs of a leak.
Were any exhaust leaks found?
Yes
- Perform the appropriate repair.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to 3.0L, POWERTRAIN VERIFICATION TEST .
No
- Go To 4
- Visually inspect the entire exhaust system for signs of a leak.
- CHECK THE PM SENSOR OPERATION NOTE:
The PM Sensor consists of a Module and a Probe (with a harness in between) which cannot be serviced separately. They are replaced as one unit.
- Using the wiring diagram/schematic as a guide, inspect the (vehicle harness) wiring and connectors between the PM Sensor (Module) and the Powertrain Control Module (PCM).
- Look for any chafed, pierced, pinched, or partially broken wires.
- Look for broken, bent, pushed out or corroded terminals.
- Monitor the scan tool data relative to this circuit and wiggle test the wiring and connectors.
- Look for the data to change or for the DTC to reset during the wiggle test.
- Perform any Technical Service Bulletins that may apply.
Were any problems found?
Yes
- Repair as necessary.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to 3.0L, POWERTRAIN VERIFICATION TEST .
No
- Replace the PM Sensor in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to 3.0L, POWERTRAIN VERIFICATION TEST .