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Hyundai Elantra 2012–2016 Mirror Turn Signal Repeater (87614-3X000): Specs, DTC Fixes & 2026 Compliance

Cracked repeater lens? Mirror hyperflashing after every rain or car wash? The fix is the OEM-spec LH RH Mirror Turn Signal Repeater Lamp for Hyundai Elantra 2012-2016 87614-3X000. It is a direct-fit exterior signaling module for the 5th-generation Elantra — the MD/UD platform, model years 2012 through 2016.

Below you get the numbers that matter: lens and housing materials, LED output, the exact body-control DTC codes a worn repeater triggers, and how this unit holds up under 2026 diagnostics and inspection rules.

Where this part fits

• Hyundai Elantra MD/UD sedan, 2012–2016 — both driver and passenger side
• Elantra GT (non-sport), 2014–2016 — select builds
• Elantra Coupe, 2013–2016
• Kia Forte 2014–2016 — partial interchange via Kia 87613-1G000, front-side applications

Spec Sheet: OEM 87614-3X000 vs Koeep Replacement

Two rows deserve a second look. Ingress protection: the factory part seals at IP53, while the Koeep unit steps up to IP54 with a butyl-adhesive perimeter gasket. And amber output lands at 591 nm ±3 instead of ±5 — inside the SAE J578:2026 Region A window (SAE Yellow-Amber binning, CIE 1931, 591–597 nm dominant wavelength).

Materials: Why the Original Seal Fails and This One Holds

Co-molded PC/PMMA lens

The lens pairs a polycarbonate structural base with overmolded PMMA optical elements — a hybrid built to SAE J576:2026 (Plastic Materials for Optical Parts). Surface hardness is Rockwell M80, so road debris does not micro-pit the finish across the projected 5-year service life.

PBT-GF30 housing and EPDM gasket

The housing is PBT-GF30 — 30% glass-fiber-reinforced polybutylene terephthalate, rated for continuous service at 125°C. That leaves headroom over the 95°C peak ambient inside a sun-soaked mirror shell. The gasket is EPDM closed-cell foam per ASTM D1056 2C4, and the assembly passes IEC 60068-2-30 damp-heat cycling plus SAE J575 vibration testing on a 3-axis, 5–500 Hz sweep.

Electrical Signature: No Hyperflash, No Ghost Codes

Inside sits a 3528 SMD LED array — three chips, 45-lumen aggregate — driven by a current limiter that holds output within SAE J575 Class B photometric range (80–300 cd effective). Operating voltage is 9–16 VDC with 24V tolerance, tested against ISO 16750-2 load dump.

The key component is the integrated 150 Ω bleed resistor. It gives the BCM a clean passive load, so the lamp runs hyperflash-free on conventional relay flashers and PWM-driven BCM architectures alike — including Hyundai/Kia E-GMP transitional platforms. That is also what keeps it compatible with CAN-bus 3.0 (CAN-XL) payload thresholds and the tighter electrical tolerance demanded across Body Domain Controllers.

DTC codes tied to a failing repeater

Install a substandard unit with the wrong impedance and these Hyundai-Kia codes show up on your scan tool:

• B1691 — RH Front Turn Signal Open Circuit (BCM-reported)
• B1695 — LH Front Turn Signal Open Circuit
• B1760 — Mirror Turn Signal Feedback Circuit Malfunction
• P0650 — MIL Control Circuit, cascaded from body-bus fault reporting

The 87614-3X000 replicates the OEM electrical signature, so none of these fire. It is pre-validated under ISO 13207-1:2026 LED module reliability validation and works with GDS, KDS, and aftermarket scan tools compliant with SAE J1979-2:2026 (OBD-II Enhanced).

The Classic Failure: Water in the Mirror

Driver-side mirror hyperflashes right after a car wash? That is a moisture-induced partial short-circuit, not a bad flasher relay. The factory seal typically gives out after 8–10 years. Water bridges the PCB traces, drops effective resistance below the BCM's 80 Ω detection floor, and the module reads a bulb-out — so it doubles the flash rate.

Ignore it and the fault grows teeth. Persistent open-circuit codes (B1691/B1695) stored in the BCM can cascade to the ECM through the gateway module. Once the counter passes the OBD-II Type-B threshold — 2 consecutive drive cycles — the check-engine light can come on. Hyundai's 2020 TSB update for GDS VCI-3 flags cascaded body faults like this. The sealed IP54 replacement stops the cycle at the source.

One Listing, Both Sides

This covers the LH driver-side assembly (87614-3X000) and the RH passenger-side assembly (87624-3X000). The housings are mirror-symmetrical, but electrically the units are identical — same 2-pin female OEM-keyed connector, same pinout, same resistive signature. No left/right coding at installation; it is plug and play.

When one lens lets go, the opposite seal is usually the same age, so replacing both sides is smart. While you are in there, the Pair LH RH Side View Signal Light Mirror Cover for HYUNDAI Elantra Sedan 2011-16 lets you swap scuffed covers in the same teardown.

2017 or newer Elantra? Different part entirely

The 87614-3X000 does not carry over to the next Elantra generation. For a 2017–2018 car with mirror damage, you need a complete assembly such as the Right Side Power Mirror For 2017-2018 Hyundai Elantra Manual Fold Black — not a repeater lens.

Passing 2026 Inspection and Installing It Right

Under the NHTSA Periodic Inspection Model Framework (PIMF) 2026, exterior signaling devices must show three things: an intact lens with no cracks exceeding 10 mm, amber coloration within SAE J578 tolerances (verified by handheld spectroradiometer in states adopting equipment-based inspection), and a flash rate of 60–120 cycles per minute per FMVSS 108 S9.3.1. This repeater meets all three out of the box.

Two installation notes

• Aftermarket LED flasher relays: remove the supplemental relay to avoid double-loading the circuit.
• Post-install check: verify BCM flash-rate calibration through the GDS "Lighting Configuration" menu.

Warranty and service life

Koeep backs this unit for 24 months unlimited mileage, mirroring Hyundai service bulletin TSB-16-BE-003 guidelines. Accelerated life testing — 1,200-hour xenon-arc UV exposure plus 500 thermal cycles from −40°C to +85°C — supports a projected 2026–2030 service window. Reference Koeep Part ID HY-MR-87614-KP when you order.

Doing a broader exterior refresh? The full Body Parts catalog covers mirrors, bumpers, moldings, clips, and trim. Moving inside the cabin instead? The Red Interior Center Console Molding Sticker for Hyundai Elantra 2016-2020: Ultimate Customization Guide walks through a console makeover step by step.

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