22-01-031H
Service Bulletin Details
Public Details for: 22-01-031H
Hyundai is conducting a campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine bearing noise is detected, the malfunction indicator lamp (mil)
GROUP CAMPAIGN DATE Technical Service Bulletin SUBJECT: APRIL 2022 NUMBER 22-01-031H MODEL(S) Sonata Hybrid/Plug-In (LF HEV/PHEV) ENGINE MONITORING LOGIC (SERVICE CAMPAIGN 982) IMPORTANT *** Retail Vehicles *** Dealers must perform this Service Campaign whenever an affected vehicle is in the shop for any maintenance or repair. When a vehicle arrives at the Service Department, access the “Vehicle Information” screen via WEBDCS to identify open campaigns. Description: Hyundai is conducting a campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine bearing noise is detected, the Malfunction Indicator Lamp (MIL) will blink continuously, and the vehicle will be placed in Engine Protection Mode allowing the customer to drive to the nearest Hyundai dealer for diagnosis and repair. In addition, DTC P132600 will be recorded in the ECM. The vehicle can continue to be operated for a limited time in Engine Protection Mode, but it will accelerate slower and have a reduced maximum speed. Engine RPMs will be limited to approximately 1800-2000 RPM. NOTICE Applicable vehicles with previous ECU Update under Campaign 966 will need new ECU Update to revise the engine monitoring logic to meet Campaign 982 requirements. Applicable Vehicles: • Certain 2017-2018 MY Sonata Hybrid/Plug-In (LF HEV/PHEV) vehicles with Nu 2.0L GDI engines GDS Information: Event # Description 797 LF HEV/PHEV 2.0GDI (17-18MY) - IMPROVED KSDS LOGIC APPLICATION (BASE) NOTES: • Refer to TSB 15-GI-001 for additional tablet-based Mobile GDS ECU update information. • After the ECU Upgrade process shows 100% complete, cycle the ignition key to OFF for at least 30 seconds to reset the control unit. This step is important for establishing normal powertrain communication and to prevent system errors. • Clear DTC(s) present after the ECU update. • Start engine to confirm proper operation of the vehicle. Circulate To: Service Manager, Warranty Manager, Service Advisors, Technicians, Fleet Repair SUBJECT: ! ENGINE MONITORING LOGIC (SERVICE CAMPAIGN 982) WARNING GDS Vehicle Battery Voltage Warning: If voltage is below 12 volts as per the GDS warning, then select Back and run the engine at least 15 minutes to reach an adequate battery state of charge to prevent ECU Update failure. Cycle the ignition OFF/ON before retrying ECU update again. Warranty Information: MY / Engine / Model Op Code Operation Op Time Causal P/N 17-18MY Nu 2.0L GDI Sonata Hybrid/Plug-In (LF HEV/PHEV) 20D008R0 ECM UPGRADE 0.3 M/H 39161-2EEB1 Nature Cause E13 ZZ3 NOTE 1: Submit claim on Campaign Claim Entry Screen NOTE 2: If a part that is not covered by this campaign is found in need of replacement while performing this campaign 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. NOTICE You must initially perform all GDS ECU Updates in Auto Mode. If the ECU Update starts but then fails in Auto Mode, perform the update in Manual Mode to recover. TSB #: 22-01-031H Page 2 of 3 SUBJECT: SUBJECT: ENGINE MONITORING LOGIC (SERVICE CAMPAIGN 982) ROM ID Information Table: • Perform the ECM Update. • Verify the ECM ROM ID before updating the software. Refer to the table below. • IMMO (O) = Start Stop Button • NON IMMO (X) = Key Start MODEL Sonata Hybrid/Plug-In (LF HEV/PHEV) Nu 2.0L GDI Sonata Hybrid/Plug-In (LF HEV/PHEV) Nu 2.0L GDI MY ROM ID NEW (Event #797) ENG ECU P/N HEV 39161-2EEB1 LF7UPHMS690A LF7UPHMF6A0K LF7UPHMF6A2K PHEV 39161-2EEG1 LF7SPPMS690A LF7SPPMF6A0K LF7SPPMF6A2K HEV 39161-2EEB2 LF7UPHMS6A0A LF7UPHMF6A1K LF7UPHMF6A3K PHEV 39161-2EEG2 LF7SPPMS6A0A LF7SPPMF6A1K LF7SPPMF6A3K 17MY HEV 39161-2ELF0 PHEV 39161-2ELH0 18MY OLD LF8SPHMS6D1A LF8SPHMS6D1B LF8SPHMS6D1C LF8SPHMF6D4K LF8SPPMS6D1A LF8SPPMS6D1B LF8SPPMF6D4K LF8SPHMF6D5K LF8SPPMF6D5K If the Automatic ECU Upgrade process fails, cycle the ignition key to OFF for at least 30 seconds to reset the control unit. Then resume programming using the Manual ECU Upgrade processes. After the ECU Upgrade process shows 100% complete, cycle the ignition key again to OFF for at least 30 seconds to reset the control unit. This step is important for establishing normal powertrain communication and to prevent system errors. N MODE PASSWORD INFORMATION TABLE: #797 Sonata Hybrid/Plug-In (LF HEV/PHEV) 2.0L ECU MENU (#797) PASSWORD LF HEV 2.0GDI 39161-2EEB1 (17MY) 7971 LF PHEV 2.0GDI 39161-2EEG1 (17MY) 7972 LF HEV 2.0GDI 39161-2EEB2 (17MY) 7973 LF PHEV 2.0GDI 39161-2EEG2 (17MY) 7974 LF HEV 2.0GDI 39161-2ELF0 (18MY) 7975 LF PHEV 2.0GDI 39161-2ELH0 (18MY) 7976 NOTE: After the ECU update has been completed: • Clear any ECM DTC(s) after the ECU update, if present. • Start the engine to confirm proper operation of the vehicle. TSB #: 22-01-031H Page 3 of 3 SUBJECT: