Technical Service Bulletins (TSBs) for the 1990 Sonata are official communications between Hyundai & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
This bulletin provides information on identifying dealer stock vehicles with either: a?? A Battery SOC alert - low Battery State of Charge (SOC) at or below 50%. a?? A 30 Day alert - vehicle has not started and reported an SOC in 30 days. Read More »
This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. Read More »
The Blind Spot Detection (BSD) or Blind-Spot Collision Warning (BCW) is a system that measures the speed of and distance from the following vehicles by using two magnetic wave radar sensors attached in the rear bumper. Read More »
The Blind Spot Detection (BSD) or Blind-Spot Collision Warning (BCW) is a system that measures the speed of and distance from the following vehicles by using two magnetic wave radar sensors attached in the rear bumper. Read More »
This bulletin provides information on identifying dealer stock vehicles with either: a?? A Battery SOC alert - low Battery State of Charge (SOC) at or below 50%. a?? A 30 Day alert - vehicle has not started and reported an SOC in 30 days. Read More »
