K24483157
Service Bulletin Details
Public Details for: K24483157
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Solution K24483157 Tuesday, March 6, 2018 7:37:54 PM CET Solution Title (customer effect) Diagnostic Trouble Codes ( DTC ) P208E And P103B Logging With Possible Derate ( SCR Inducement ) - OBD15, US14+OBD16 Emissions And Newer Cause P208E and or P103B may be generated due to the intermittent, temporary clogging of the Diesel Exhaust Fluid (DEF) dosing valve, normally at startup. Solution - DO NOT RUN A SERVICE REGENERATION OR CRYSTAL SUBLIMATION TO EXIT INDUCEMENT FOR THESE CODES. - IF THE CHASSIS CAME IN WITH DERATE WARNINGS ACTIVE, Proceed to section two Prior To Programming. I. Software Levels - Verify the chassis emissions level - Details can be found in the Product Details box on the Product tab in PTT as seen below: - Check Engine Control Module (EMS) software levels: • Updated software for OBD15 chassis will have a Main Software (MSW) 23167877 or newer • Updated software for US14+OBD16 chassis will have a Main Software (MSW) 23169815 or newer • Updated software for US17+OBD16 and newer chassis will have a Main Software (MSW) 23242993 or newer - For chassis that have older MSW part numbers than listed above: • Reprogram the following modules in the order listed. 1. Engine Control Module ( EMS ) 2. Aftertreatment Control Module ( ACM ) II. System Tests Premium Tech Tool (PTT) Operation number 2589-08-03-05 Aftertreatment selective catalytic reduction (SCR) system, found under Function Group 2 in the Test tab should be utilized to diagnose the problem and exit inducement in the order listed below: 1. Test A: System Pressure Build Up - This test confirms that the DEF pump builds pressure as expected (this test can be skipped if other tests will also be performed). - IF PRESSURE IS NOT BUILT, DO NOT REPLACE DEF PUMP. Follow the instructions below: 1. Start the truck and allow it to run for 10 minutes. 2. Shut off the truck. 3. Rerun the test. 2. Test B: Dosing Test - A graduated cylinder or other appropriate container with measurement accurate within 2 milliliters (cubic centimeters) should be used to measure dosing test results. 1. Sub-Test 2, Small dosing test - 120 seconds at 25% dosing 2. Sub-Test 3, Large dosing test - 120 seconds at 100% dosing 3. Sub-Test 4, Dosing Test, Exit inducement mode - This will clear any inducement (derate) condition caused by P208E or P103B. 3. Test C: Exit Inducement Mode - Test B, sub-test 4 mentioned in the previous section runs the diagnostic monitor on the dosing valve and verifies it is operating correctly. Test C will reset any inducement (derate) timers present. - This test should be run as the last step before releasing vehicle back to the customer so that if the problem is not completely fixed, the driver will still have 4 hours to reach a service location before the vehicle begins going into severe derate. Internal comments (BO) Do not recommend EECU /ACM replacements for this issue. Recommend GD along with this CBR. If the truck has been in multiple times for this issue, recommend thorough inspection for any clog/electrical issues. NOTE: OBD2015 (23167877 or newer) and OBD2016 (23169815 or newer) has new EECU SW released which has significant improvements. GHG2017+ (23242993 or newer) products has improvements. NOTE: Once SW is at or newer than mentioned above, only P103B causes derate. P208E only need to be diagnosed if fault is "CONFIRMED". NOTE: US13 and US14 chassis will need to have complete diagnosis performed to find the root cause. Solution visibility Dealer distribution Function(s)/component(s) affected Function affected exhaust , SCR , CV electronic control unit , 1 1 0 EMS , 2 1 0 ACM , Diagnostic tool Function Group Function Group 254 catalytic converter; exhaust emission control equipment , 2584 Dosage Valve; Injector Customer effect Main customer effect regeneration , calibration/programming/pairing/missing operation , diagnostics /methodology , efficiency/abnormal behavior , fault code/display Fault code(s) OBD 2013 Diagnostic Trouble Codes NA_MIDs P103B , P208E MID 128 EMS Conditions Vehicle operating mode Frequency of occurrence of problem when driving , when stationary always Administration Author ut0031h Last modified by RU4469V Creation date 15-12-2016 17:12 Date of last update 22-02-2018 17:02 Review date 30-04-2017 00:04 Status Published Average score 2 Number of scores 2 NA_Author_Group GTT NA_MACK_Vehicle_Range NA_MACK_Vehicle_Ran ge Cabover , LR , LEU , MRU , Conventional NA_VOLVO_Vehicle_Range NA_VOLVO_Vehicle_Ra nge Conventional , VNX , VNL , VNM , VHD , VAH Engine family Engine family Volvo , 11L Engine , 13L Engine , 16L Engine , Mack , MP7 , MP8 , MP10 Emission Standard Emission Standard US17 GHG , US16 , US15 , US13 OBD , US14 GHG