Electrical System Problems of Hyundai Sonata

Hyundai Sonata owners have reported 2,004 electrical system related problems since 1996. Table 1 shows the 45 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (1,498 problems). The second most common problem is related to the vehicle's wiring (76 problems). For details of each of the problem category, use the links in the table.

Table 1. Electrical System related problems of Hyundai Sonata

Problem Category Number of Problems
Electrical System problems
1498
Wiring problems
76
Starter problems
64
Alternator/generator/regulator problems
59
Car Will Not Start problems
53
Horn Assembly problems
44
Battery problems
27
Ignition problems
20
Headlights Turn Off While Driving problems
19
Software problems
17
Battery Dead problems
16
Ignition Switch problems
15
Instrument Panel problems
10
Dash Wiring problems
9
O2 Sensor problems
7
Car Will Not Accelerate problems
6
Starter Solenoid problems
5
Anti-theft Controller problems
5
Trunk Wiring problems
5
Underhood Wiring problems
4
Ignition Module problems
4
Battery Cable problems
4
Crankshaft Position Sensor problems
4
Instrument Cluster/panel problems
3
Dashboard Failed problems
3
Horn problems
3
Ignition Coils Failure problems
2
Instrument Panel Failure problems
2
Ignition Coil Spark Plugs problems
2
Mass Air Flow Sensor problems
2
Instrument Panel Speedometer/odometer problems
2
Battery Propulsion System problems
1
Fuses And Circuit Breaker problems
1
12v/24v/48v Battery Cables problems
1
Cybersecurity problems
1
Back Up Alarm problems
1
Ignition Anti-theft Immobilizer/proximity Key/sender problems
1
Camshaft Position Sensor problems
1
Instrument Panel Fuel Gauge problems
1
Propulsion System Traction Battery Management System/energy Control Module (bms/becm) problems
1
Propulsion System Hybrid Management problems
1
Electrical Failure problems
1
Computer Failure problems
1
Ignition Coil problems
1
Ignition Anti-theft Immobilizer/proximity Sensor problems
1

Recently reported Electrical System problems of Hyundai Sonata

The Electrical System problem

While driving the vehicle the other night, the cars electrical system completely shut off for a few seconds before popping back on. The whole car inside and out went completely black. It was around 10pm on a dark country road.   Read details...

The Wiring problem

The break lights keep burning out. They have melted the plastic that holds the light bulb. I replace the light bulbs once a month. It seems like it has a bad power surge or faulty wires. I have switched to led light bulbs and they still don't work.   Read details...

The Starter problem

The contact owns a 2020 Hyundai Sonata. The contact stated that while the vehicle was parked, the vehicle failed to start as intended. The contact stated that several unknown warning lights were illuminated. The contact stated that the vehicle eventually started and drove normally.   Read details...

The Alternator/generator/regulator problem

The alternator and battery of this vehicle has been switched at least 3 times. Purchased new and all, yet the car keeps getting drained and left powerless. Something is draining the energy of the vehicle and the root to the problem is not known.   Read details...

The Car Will Not Start problem

I was in motion on the interstate and service engine light popped on and it was told it ended up being the camshaft. On my way to shop the next day my car cut off on the interstate and everything worked but car would not crank. Was told it was engine.   Read details...




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