Service bulletin 16-01-021

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10076426
Published by NHTSA	2016-07-14
Manufacturer's number	16-01-021
Manufacturer's date	2016-04-27
NHTSA component	EXTERIOR LIGHTING; TRAILER HITCHES

NHTSA's summary

Recall 142 – 2016 Tucson (TL) Tow Hitch Harness Repair Hyundai Motor America is launching Recall 142 for certain 2016 MY Tucson vehicles. If an affected 2016 Tucson equipped with the Hyundai accessory tow package is driven with a trailer, it is possible that the trailer’s lights would not comply with Federal Motor Vehicle Safety Standards.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Lighting, Trailer hitch

Vehicles listed
HYUNDAI TUCSON	2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
16V842000	2016-11-21. TRAILER HITCHES; ELECTRICAL SYSTEM:WIRING
16V147000	2016-03-10. EXTERIOR LIGHTING:TAIL LIGHTS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
25-BD-012H TSB	2025-11-12. Service bulletin. This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This 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-BD-014H	2020-08-07. Service bulletin. 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.
5NP-D8L3J-01	2017-01-25. Service bulletin. THE 2017 SANTA FE (NC) AND 2016 – 2017 TUCSON (TL) ARE AVAILABLE WITH A GENUINE HYUNDAI TRAILER HITCH AND WIRING HARNESS. ON CERTAIN UNITS, WHEN THE TRAILER’S LIGHTING WIRING HARNESS IS CONNECTED TO THE VEHICLE, THE TOW HITCH MODULE MAY MALFUNCTION RESULTING IN CONTINUOUS ILLUMINATION OF THE TRAILER’S BRAKE AND/OR TURN SIGNAL BULB(S). THIS CONDITION AFFECTS ONLY THE TRAILER’S LIGHTING; NOT THE VEHICLES. IF A VEHICLE EQUIPPED WITH THE GENUINE HYUNDAI ACCESSORY TOW PACKAGE IS DRIVEN WITH A TRAILER, IT IS POSSIBLE THAT THE TRAILER LIGHTS WOULD BE UNABLE TO COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARDS. A FAILURE TO NOTIFY OTHER VEHICLES OF THE DRIVER’S INTENT COULD POTENTIALLY INCREASE THE RISK OF A CRASH.
5NP-X6A3S-09	2016-10-13. Service bulletin. "EFFECTIVE TUESDAY, APRIL 5, 2016 HYUNDAI MOTOR AMERICA WILL BE IDENTIFYING VINS WITH OPEN RECALL CAMPAIGN 142."
5NP-X4N7R-09	2016-10-13. Service bulletin. "HYUNDAI MOTOR AMERICA IS LAUNCHING RECALL 142 FOR CERTAIN 2016 MY TUCSON VEHICLES. IF AN AFFECTED 2016 TUCSON EQUIPPED WITH THE HYUNDAI ACCESSORY TOW PACKAGE IS DRIVEN WITH A TRAILER, IT IS POSSIBLE THAT THE TRAILER’S LIGHTS WOULD NOT COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARDS."
5NP-Q5D9Y-09	2016-09-29. Service bulletin. "THE 2016 TUCSON (TL) IS AVAILABLE WITH AN ACCESSORY TRAILER HITCH AND ACCOMPANYING WIRING HARNESS. FOR AFFECTED VEHICLES WITH THIS ACCESSORY INSTALLED, WHEN THE VEHICLE¡¦S ENGINE IS RUNNING AND THE BRAKE LIGHTS ARE ILLUMINATED, IF THE TURN SIGNAL IS ACTIVATED THE TRAILER¡¦S TURN SIGNAL LAMP MAY EITHER: H REMAIN CONTINUOUSLY ILLUMINATED (NOT FLASH), OR H TURN OFF."
142	2016-07-14. Service bulletin. WEBDCS: RECALL 142 – 2016 Tucson (TL) TRAILER HITCH WIRING - Remedy Not Yet Available Identification Once the remedy is available the Campaign Description will provide the necessary Technical Service Bulletin Number and the applicable link.
16-01-021	2016-07-14. Service bulletin. TUCSON (TL) TOW HITCH REPAIR HARNESS (RECALL CAMPAIGN 142) Description: The 2016 Tucson (TL) is available with an accessory trailer hitch and accompanying wiring harness. For affected vehicles with this accessory installed, when the vehicle¡¦s engine is running and the brake lights are illuminated, if the turn signal is activated the trailer¡¦s turn signal lamp may either: h Remain continuously illuminated (not flash), or h Turn off. If an affected 2016 Tucson equipped with the Hyundai accessory tow package is driven with a trailer, it is possible that the trailer lights would not comply with Federal Motor Vehicle Safety Standards. A failure to notify other vehicles of the driver's intent could potentially increase the risk of a crash.