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Service bulletins for the 2014 Hyundai Elantra

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

158 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
21-01-023H-32021-11-06. Service bulletin. ENGINE AND ENGINE COOLING. 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.
21-EM-005H-12021-11-06. Service bulletin. ENGINE AND ENGINE COOLING. The Powertrain warranty coverage for certain engine repairs and/or replacement where the engine damage or malfunction is related to connecting rod bearing wear, has been extended to 15 years or 150,000 miles from the date of original retail delivery or date of first use, whichever occurs first, and is valid for original and subsequent owners.
966DBP2021-10-08. Service bulletin. ENGINE AND ENGINE COOLING. Hyundai is conducting a product improvement 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.
21-01-023H-22021-10-08. Service bulletin. ENGINE AND ENGINE COOLING. 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.
21-EM-001H-12021-05-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin describes the procedure to inspect an engine exhibiting noise between the cylinder block and piston due to possible scuffing on one or more cylinder walls. Follow the procedure outlined in this bulletin to inspect and replace the short engine assembly if scuffing is observed.
21-EM-004H2021-04-07. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required steps.
21-EM-003H2021-04-06. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.
21-EM-002H2021-02-06. Service bulletin. ENGINE AND ENGINE COOLING. The Powertrain warranty coverage for the engine short block, consisting of the engine block, crankshaft, connecting rods and pistons, for damage related to a piston slap noise in the upper end of the engine as described in TSB # 21-EM-001H has been extended.
21-EM-001H2021-02-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin describes the procedure to inspect an engine exhibiting noise between the cylinder block and piston due to possible scuffing on one or more cylinder walls. Follow the procedure outlined in this bulletin to inspect and replace the short engine assembly if scuffing is observed.
19-01-031H2019-11-18. Service bulletin. STEERING; ENGINE AND ENGINE COOLING. Certain 2017-2018 MY Santa Fe (NC), 2016MY Veloster (FS), 2014MY Elantra (MD), and 2016-2017MY Azera (HG) vehicles may experience a warning lamp being illuminated intermittently when starting the engine after replacing the motor driven power steering (MDPS) column & housing. This bulletin describes the procedure to perform the steering angle sensor (SAS) reset using the GDS.
19-AT-015H2019-09-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. If you are servicing an applicable vehicle with a ?Check Engine? light on and one or more of the DTC listed below, follow the repair procedure and replace the related solenoid and oil pressure harness
5NP-N6V2M-012018-01-16. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This bulletin provides instructions related to an Electronic Control Module (ECM) software update to revise the fuel volume control logic. The ECM update is only emissions related. The update is for the applicable models listed below with SULEV emissions certifications only.
14-EM-0042016-03-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. SUMMARY TO BE PROVIDED ON A FUTURE DATE.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.