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Service bulletins for the 2012 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.

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

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Bulletins, newest first
22-EM-007H2022-07-09. 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 the engine and replace the engine long block along with service kit if scuffing is observed.
21-AT-006H2021-06-10. Service bulletin. POWER TRAIN. Hyundai approves only the ATF, DCT gear oil and IVT gear oil specified in the vehicle’s owner’s manual. • Use of other ATF may result in improper shift quality or other drivability conditions. • Use of other DCT and IVT gear oil may result in reduced durability. Hyundai does not approve the use of any aftermarket ATF or gear oil additives.
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-BR-002H2021-04-07. Service bulletin. SERVICE BRAKES; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin provides best practice recommendations when performing brake service procedures.
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.
20-BR-002H2020-12-08. Service bulletin. SERVICE BRAKES. This bulletin describes the procedure to inspect and identify fluid which may appear around the brake caliper area.
20-SS-004H2020-12-08. Service bulletin. WHEELS; TIRES. This bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. For all wheel/tire balance claims, the “Tire Balance Data Sheet” must be fully completed including imbalance and Road Force Variation (RFV) data. The Data Sheet can be found at the end of this bulletin.
20-ST-001H-22020-10-08. Service bulletin. STEERING; EQUIPMENT. This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.
20-ST-001H-12020-09-03. Service bulletin. STEERING:COLUMN; ELECTRICAL SYSTEM; STEERING:AUTOMATED/ADAPTIVE STEERING:MOTOR/ACTUATOR. This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.
20-BD-014H2020-08-07. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; EXTERIOR LIGHTING. This bulletin provides information regarding condensation related to moisture accumulation in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. The TSB illustrates the various causes of condensation inside the lamp assembly. Lamp assembly replacement is NOT necessary in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes, or during normal driving operation.
20-AT-017H2020-06-06. Service bulletin. POWER TRAIN. If you are servicing an applicable vehicle with the following symptoms and DTC, follow the Service Procedure on Page 4. • Check Engine light on • DTC P0880/P088000 - TCM Power signal error open/short • Transmission stuck in 4th gear fail-safe • Harsh shift into Reverse and Drive
20-SS-002H(1)2020-06-06. Service bulletin. WHEELS; TIRES. This bulletin provides information on tire maintenance best practices and procedures for dealers and customers to maximize tire life and performance.
20-BD-007H-12020-06-06. Service bulletin. EQUIPMENT. This bulletin describes the general guidelines to help disinfect and protect vehicle exterior/interior surfaces using recommended safe chemical products.
20-EE-003H2020-05-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information on identifying dealer stock vehicles with either: • A Battery SOC alert - low Battery State of Charge (SOC) at or below 50%. • A 30 Day alert - vehicle has not started and reported an SOC in 30 days.
20-AT-016H2020-05-07. Service bulletin. POWER TRAIN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY. The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions:
20-AT-014H2020-05-07. Service bulletin. POWER TRAIN; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. 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.
20-AT-011H2020-04-07. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. 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.
20-BD-007H2020-04-07. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This bulletin describes the general guidelines to disinfect and protect vehicle interior surfaces using certain safe chemical products.
20-AT-008H2020-03-07. Service bulletin. POWER TRAIN; EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. 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.
20-SS-001H2020-03-06. Service bulletin. SUSPENSION. This bulletin describes the requirements for all wheel alignment and/or vehicle tracking claims and best practices when diagnosing and conducting alignment-related repairs for all models and model years.
20-AT-001H2020-02-03. Service bulletin. POWER TRAIN. This TSB provides a procedure to diagnose and repair a transaxle for the following Incorrect Ratio DTC (transaxle clutch slipping more than 200 rpm in gear).
20-ST-001H2020-02-03. Service bulletin. STEERING. This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.

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