Diagnosis Procedure

1. Turn ignition switch ON.
2. Connect CONSULT and check for the following current or past "ENGINE" diagnostic trouble codes:
   • U04A4-00
   • U12A3-00
   • P24AE
   • P24AF
   • P24B0-00
   • P24B1
   • P24B5
   • P24B6-00
   • P24B7-00
   • P24C6-00
   • P24C7-00
   • P24C8
   • P24C9-00
   • P24D0
   • P24D1-00
   • P24DA
   • P2AB0-00

Are any of the above DTCs detected as current or past?

YES

Perform diagnosis of applicable DTC. Refer to DTC Index .

NO

GO TO 2 .

Using CONSULT, check for the following other current or past "ENGINE" diagnostic trouble codes:

• P1451
• P242F-00
• P244A-00
• P2460-00
• P2461-00
• P2462-00
• P2463-00

Any DEF quality related DTCs detected as current or past?

YES

Perform diagnosis of applicable DTC. Refer to DTC Index .

NO

GO TO 3 .

Using CONSULT, check for the following other current or past "ENGINE" diagnostic trouble codes:

• P2459-00
• P24A2-00

Any DPF regeneration related DTCs detected as current or past?

YES

Perform diagnosis of applicable DTC. Refer to DTC Index .

NO

GO TO 4.

Check for DTC P1644-00 being current or past on the CONSULT screen.

Is applicable DTC detected as current or past?

YES

• An internal error has been detected in the aftertreatment particulate matter sensor. Replace the aftertreatment particulate matter sensor. refer to Removal and Installation .
• GO TO 5.

NO

Refer to Intermittent Incident .

1. Connect all components.
2. With CONSULT, erase all DTCs.
3. Operate the engine within the conditions for setting DTC found in the DTC description.
4. Check for existing "ENGINE" diagnostic trouble codes.

Did the P1644-00 DTC return?

YES

Troubleshooting procedure needs to be repeated. Refer to DTC Description .

NO

Repair complete.