24-EM-002H
Service Bulletin Details
Public Details for: 24-EM-002H
Certain 2016-2021my tucson (tl) 2.0l vehicles may experience continued dtc P1326 after the ecu update has been performed per tsb 22-01-028h-1 (or later) a??Engine monitoring logic (service campaign 966)a??.
- 2021 - 2020 - 2019 - 2018 - 2017 - 2016 -
Models from 2021
2021 HYUNDAI TUCSON |
Models from 2020
2020 HYUNDAI TUCSON |
Models from 2019
2019 HYUNDAI TUCSON |
Models from 2018
2018 HYUNDAI TUCSON |
Models from 2017
2017 HYUNDAI TUCSON |
Models from 2016
2016 HYUNDAI TUCSON |
GROUP ENGINE Technical Service Bulletin SUBJECT: DATE MARCH 2024 NUMBER 24-EM-002H MODEL(S) TUCSON (TL) CONTINUED DTC P1326 AFTER KSDS ENGINE MONITORING LOGIC ECU UPDATE Description: Certain 2016-2021MY Tucson (TL) 2.0L vehicles may experience continued DTC P1326 after the ECU update has been performed per TSB 22-01-028H-1 (or later) “ENGINE MONITORING LOGIC (SERVICE CAMPAIGN 966)”. Follow the service procedure outlined in this bulletin to repair this condition. Applicable Vehicles: • 2016 - 2021MY Tucson (TL) 2.0L vehicles with Service Campaign 966 already completed. Service Process Flowchart: Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service Advisors, Technicians, Body Shop Manager, Fleet Repair SUBJECT: CONTINUED DTC P1326 AFTER KSDS ENGINE MONITORING LOGIC ECU UPDATE Service Procedure: STUI This TSB includes Repair validation photos. Refer to the latest Digital Documentation Policy for requirements. 1. Confirm with GDS scan tool that DTC P1326 exists and perform Engine Mechanical Pre-Check inspection steps listed below. This must be done to resolve any contributing factors that may result in DTC P1326. Perform ALL inspections listed and correct, as necessary. This TSB only applies if DTC P1326 condition exists. *** ENGINE MECHANICAL PRE-CHECK *** 2. Check engine oil condition. Engine oil must be CLEAN with oil change maintenance work performed within the last 3,000 miles/6 months and topped off to the “F” mark. 3. Check coolant level. If coolant level is low or coolant condition is poor, top off or replace as needed. 4. Spark Knock/Pre-ignition due to fuel quality or combustion chamber deposits. If engine has spark knock/pre-ignition during acceleration and throttle tip-in, check for fuel quality/contamination, and combustion chamber deposits. If fuel quality issue or a combustion chamber deposit condition was found and resolved, be sure to reset the engine adaptive values prior to vehicle retest. 5. Knock Sensor installation quality and connection. Installation to the block must be on a cleaned casting surface and with the correct tightening torque. Knock sensor connection to the engine harness must be free of any pin corrosion or intermittent contact concern due to debris/water. Clean the 2 pin connection points with an electrical contact cleaner and compressed air. 6. PASSES BCT Inspection with NO abnormal engine noises. Engine passes Bearing Clearance Test per TSB 22-01-023H-2 (or later) “DTC P1326 – ENGINE BEARING INSPECTION / ENGINE REPLACEMENT (SERVICE CAMPAIGN T6G)”. Diagnose and resolve the source of any observed abnormal engine noise. Some mechanical sounds are normal. Compare with like vehicle/engine. NOTE: Apply the appropriate Op Code according to the Inspection Op Code Table per TSB 22-01-024H-2 (or later) “OP CODE/PART NUMBER (REFERENCE GUIDE FOR SERVICE CAMPAIGN T6G)” 7. After steps 2-6 above for have been performed with all necessary adjustments and repairs made, retest the vehicle (with a brief test drive) to duplicate continued DTC P1326. No DTC P1326 observed. Service procedure is now complete, no other steps required. Continued DTC P1326 observed. Continue to next step for manual ECU update process. TSB #: 24-EM-002H Page 2 of 5 SUBJECT: SUBJECT: CONTINUED DTC P1326 AFTER KSDS ENGINE MONITORING LOGIC ECU UPDATE 8. Prepare for ECU update. Capture ECU ROM ID of the vehicle (confirm with the ECU P/N label on module if needed). Refer to HTSS “Fix It Right” under symptom “General Information – Special Instructions”. GDS Information: Model Event # Description Tucson 2.0L (TL) 1052 IMPROVED KSDS LOGIC APPLICATION FOR SPECIFIC ISSUE (ADDENDUM) NOTE: • Do not perform ECU update without completing the ENGINE MECHANICAL PRE-CHECK. • This is a specific manual-only ECU update to be applied when deemed necessary with Techline review after all mechanical inspections and appropriate repairs have been completed. • Not all vehicles will require an ECU update for final repair. ROM ID Information Table: • Verify the ECM ROM ID before updating the software. Refer to the table below. • IMMO (O) = Start Stop Button NON IMMO (X) = Key Start VEHICLE MY 2WD/4WD IMMO 16MY 2WD 4WD X X O 2WD X 17MY O 4WD X 2WD 18MY 4WD 2WD Tucson 2.0L (TL) 19MY 4WD 2WD 2WD 20MY 4WD 2WD 4WD 21MY 2WD O X O X O X O X O X O X O X O X O X O X ECU P/NO 39133-2ETA0 39133-2ETA2 39131-2ETA4 39131-2ETA6 39133-2ETA4 39133-2ETA6 39131-2ETA5 39131-2ETA7 39133-2ETA5 39133-2ETA7 39131-2ETA8 39133-2ETA8 39131-2ETA9 39133-2ETA9 39131-2ETF0 39133-2ETF0 39131-2ETF1 39133-2ETF1 39131-2ETF2 39133-2ETF2 39131-2E321 39131-2E322 39131-2E323 39131-2E324 39131-2E325 39131-2E326 39131-2E903 39131-2E904 39131-2E905 39131-2E906 TSB #: 24-EM-002H ECU ROM ID OLD NEW GGTL-FNUAPK02C00 GGTL-FNUAPK03D00 GGTL-FNUAPK03C00 GGTL-FNUAPK04D00 GGTL-GNUAQK01C00 GGTL-GNUAQK02C00 GGTL-GNUAPK01C00 GGTL-GNUAPK02C00 GGTL-GNUAQK01D00 GGTL-GNUAQK02D00 GGTL-GNUAPK01D00 GGTL-GNUAPK02D00 GGTL-HNUAQK01C00 GGTL-HNUAQK02C00 GGTL-HNUAPK01C00 GGTL-HNUAPK02C00 GGTL-HNUAQK01D00 GGTL-HNUAQK02D00 GGTL-HNUAPK01D00 GGTL-HNUAPK02D00 GGTL-INUAQK00C00 GGTL-INUAQK01C00 GGTL-INUAPK00C00 GGTL-INUAPK01C00 GGTL-INUAQK00D00 GGTL-INUAQK01D00 GGTL-INUAPK00D00 GGTL-INUAPK01D00 GGTL-INSAQK00C00 GGTL-INSAQK01C00 GGTL-INSAPK00C00 GGTL-INSAPK01C00 GTL-0NU0AQK00C00 GTL-0NU0AQK01C00 GTL-0NU0APK00C00 GTL-0NU0APK01C00 GTL-0NU0AQK00F00 GTL-0NU0AQK01F00 GTL-0NU0APK00F00 GTL-0NU0APK01F00 GTL-0NS0AQK00C00 GTL-0NS0AQK01C00 GTL-0NS0APK00C00 GTL-0NS0APK01C00 GTL-1NU0AQK01F00 GTL-1NU0AQK02F00 GTL-1NU0APK01F00 GTL-1NU0APK02F00 GTL-1NS0AQK01C00 GTL-1NS0AQK02C00 GTL-1NS0APK01C00 GTL-1NS0APK02C00 Page 3 of 5 SUBJECT: SUBJECT: CONTINUED DTC P1326 AFTER KSDS ENGINE MONITORING LOGIC ECU UPDATE NOTICE GDS Vehicle Battery Low Voltage Warning: If voltage is below 12 volts as per the below GDS warning, then select Back and attach a battery charger to ensure an adequate battery state of charge for reliable update results. Turn ignition back on, and then retry the ECU update again. 9. Techline will review and approve the ECU Update with a manual update PASSWORD. Perform the ECU Update in Manual Mode with the provided PASSWORD for the appropriate NEW ECU ECU ROM ID. i Information Refer to TSB 15-GI-001 for additional tablet-based Mobile GDS ECU update information. TSB #: 24-EM-002H Page 4 of 5 SUBJECT: SUBJECT: CONTINUED DTC P1326 AFTER KSDS ENGINE MONITORING LOGIC ECU UPDATE 10. STUI Take a screenshot of the ECU Update Complete screen using your particular tablet’s screenshot save method and upload to STUI. ***** Existing ROM ***** ***** Updated ROM ***** 11. After the ECU Upgrade process shows 100% complete, cycle the ignition key to OFF for at least 30 seconds to reset the control unit. 12. Perform an All Systems Fault Code search and erase the history of the DTC that may have incidentally occurred from the ECU update Warranty Information (w/ ECU Update): Model Op. Code Operation Op. Time Casual Part Tucson 2.0L DTC Inspection + ECU 10D021RE 0.4 M/H 39133-2ETA6 (TL) Update NOTE 1: Submit claim on Claim Entry Screen as “Campaign” type. Nature Code Cause Code I11 ZZ3 NOTE 2: If a part is found in need of replacement while performing this recall and the affected part is still under warranty, submit a separate claim using the same repair order. If the affected part is out of warranty, submit a Prior Approval request for goodwill consideration prior to performing the work. NOTE 3: Op times include VIN, Mileage, and photo capture of the “ECU update complete” screen as outlined in the Digital Documentation Policy. TSB #: 24-EM-002H Page 5 of 5 SUBJECT: