IK1200478 - On vehicle DOC Cleaning MaxxForce 7 Engines

NHTSA ID Number: 10164504

Manufacturer Communication Number: IK1200478

Summary

On vehicle DOC Cleaning MaxxForce® 7 Engines

 

1 Affected Product

Vehicle

MAKE MODEL YEAR
INTERNATIONAL INTERNATIONAL 9999

DESCRIPTION

A method to clean the DOC on the vehicle with NED in combination with ZTSE 6031 has been developed.

A partially plugged DOC may cause excessive Exhaust Back Pressure and cause a rise in engine oil level due to fuel dilution.

When the ECM calibration is updated the (parameter 87002) Customer Password (CPW) is restored to Calibration default (0000). You will need to acquire the CPW and program it back in when finished with the update. The only exception to this is if the ECM is updated with NETS and we have the CPW saved in our database, then the CPW will be programmed back into the ECM during a cal update. If this happens, see the note on step 11 of this article.

 

SYMPTOMS

Loss of Power

Excessive regens

Unable to regen

Rise in oil level

High exhaust back pressure

 

POSSIBLE DIAGNOSTIC TROUBLE CODES

DTC MODULE DESCRIPTION
2352 ECM Remote Throttle Signal Out-of-Range

 

SERVICE PROCEDURE

To prevent unexpected movement of the vehicle and possible serious personal injury or death, park the vehicle on a flat, level surface, set the parking brake, turn the engine off and chock the wheels to prevent vehicle from moving in both directions.

To avoid personal injury from the muffler and exhaust system allow the vehicle to cool sufficiently before servicing the muffler and exhaust system.

Maintain adequate clearance between all parts of the exhaust system and all hoses, wires and lines for engine cooling, brake system, fuel system, power steering system and electrical system. Ensure that all components near the exhaust system are free of oil or other flammable debris. If the

heat from DOC cleaning accumulates to certain amount near the exhaust system, it may set nearby items on fire and result in property damage, personal injury or death.

  1. Remove the three M10 X 50 flange bolts at the rear of the DPF.
  2. Insert Restrictor plate torque bolts to 40 lbf-ft. (School Bus and horizontal tailpipe only) See Photo 1
  3. Disconnect both the EGDP tubes from the rubber hose at the EGDP Sensor

CAUTION :

UPDATE! A tool modification kit for ZTSE6031 was shipped to all dealers in May 2011. ZTSE6031 should ONLY be used AFTER this modification has been completed.
Additional information- https://evalue.internationaldelivers.com/service/sfnpdf/IT11-126.pdf
and https://evalue.internationaldelivers.com/service/sfns/sfn1042_1.xml

  1. Install the 2 EGDP Plugs and hoses supplied with tool kit. See Photo 3
  2. Ensure Parking Brake is set.
  3. Open hood

WARNING:

To prevent unexpected movement of the vehicle and possible serious personal injury or death, park the vehicle on a flat, level surface, set the parking brake, turn the engine off and chock the wheels to prevent vehicle from moving in both directions.

WARNING:

Open hood during on‐vehicle DOC cleaning. This can greatly reduce the effects of heat on hoses, wiring and other components near the exhaust system. If the heat from DOC cleaning accumulates to certain amount near the exhaust system, it may set nearby items on fire and result in property damage, personal injury or death

  1. Connect NED, ignition Key-On identify vehicle.
  2. NED menu click on Procedures.
  3. Scroll down to KOER Aftertreatment Procedures, click-on DOC Cleaning Procedure.
  4. NED will now the load parameters required to run this procedure, this may take a few moments.

Note: During steps 10-11 of the procedure if the message displayed below appears there is a customer password present in this vehicle.

You will need the customer password to move forward. Change the password (parameter 87002) to 0000, run the procedure and then program the customer password back into the engine when the procedure is complete. If the customer password is unavailable please contact tech central.

  1. DTC 2352 and 1213 may set ignore these DTC codes.
  2. After reading the pre-test information click "OK", See below:
  3. Start engine when prompted.
  4. Click "OK" after engine is running.
  5. The cleaning procedure will now start, engine RPM will increase automatically and will return to idle automatically after the cleaning process has been completed.

NOTE:

Procedure will run approximately 5 minutes after EGT 1 and EGT 2 reach 800 degrees.

  1. Allow engine to remain at idle until prompted to turn engine off.
  2. Please turn engine off. Press "OK" to continue.
  3. Leave engine off and click "OK".
  4. "Turn Key On" but leave engine off when prompted.
  5. Click "OK".
  6. NED will now Change back the original parameters and clear the codes.
  7. NED will automatically save a Snap Shot that needs to be attached to the case file.
  8. Click "OK".
  1. The cleaning procedure has been successfully performed with the "DOC Cleaned"
  2. Click "OK".
  3. Verify codes have been cleared.
  4. NED can now be disconnected hood closed and unit moved back in building.

WARNING:

Exhaust will be very hot and care should be taken to prevent injury during the following steps. Wear Heat protective gloves.

  1. Remove restrictor plate or cap
  2. If the retrictor plate was used Inspect the gasket and reuse if possible.
  3. Reinstall bolts, Torque bolts to 45 lbf-ft.
  4. Remove EGDP Plug.
  5. Reconnect EGDP hoses to tubes.

NOTE:

After Running the DOC Cleaning Procedure, fault code 1213 Remote Throttle Signal Out of Range may become active.

 

DTC MODULE DESCRIPTION
1213 ECM Remote Throttle Signal Out-of-Range

 

RESOLUTION

Connect with Service Maxx, set ECM parameter 75001 to 2, In Cab Operation only.

 



Document ID: IK1200478

Revision: 14

Last Modified: 8/13/2019

https://www.nhtsa.gov/recalls?nhtsaId=10164504

https://static.nhtsa.gov/odi/tsbs/2019/MC-10164504-0001.pdf

Download (PDF, 764KB)


 

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Last update on 2019-10-13 / Affiliate links / Images from Amazon Product Advertising API

Last update on 2019-10-13 / Affiliate links / Images from Amazon Product Advertising API

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