Kia Optima: Troubleshooting - Indicators And Gauges - Body Electrical System - Kia Optima TF 2011-2025 Service ManualKia Optima: Troubleshooting

Troubleshooting

Symptom
Possible cause
Remedy
Tachometer does not operate
Cluster fuse (10A) blown
Check for short and replace fuse
CAN line faulty
Check the EMS
Tachometer faulty
Check tachometer
Wiring or ground faulty
Repair if necessary
Fuel gauge does not operate
Cluster fuse (10A) blown
Check for short and replace fuse
Fuel gauge faulty
Check gauge
Fuel sender faulty
Check fuel sender
Wiring or ground faulty
Repair if necessary
Low fuel warning lamp does not light up
Cluster fuse (10A) blown
Check for short and replace fuse
Bulb burned out
Replace bulb
Fuel sender faulty
Check fuel sender
Wiring or ground faulty
Repair if necessary
Water temperature gauge does not operate
Cluster fuse (10A) blown
Check for short and replace fuse
Water temperature gauge faulty
Check gauge
Water temperature sender faulty
Check sender
CAN line faulty
Check the EMS
Wiring or ground faulty
Repair if necessary
Oil pressure warning lamp does not light up
Cluster fuse (10A) blown
Check for short and replace fuse
Bulb burned out
Replace bulb
Oil pressure switch faulty
Check switch
Wiring or ground faulty
Repair if necessary
Parking brake warning lamp does not light up
Cluster fuse (10A) blown
Check for short and replace fuse
Bulb burned out
Replace bulb
Brake fluid level warning switch faulty
Check switch
Parking brake switch faulty
Check switch
Wiring or ground faulty
Repair if necessary
CAN line faulty
Check the TCS/ABS (EBD)
Check the Smart Junction Box(SJB)
(Parking brake/Brake oil switch)
Open door warning lamp and trunk warning lamp do not light up
Memory fuse (15A) blown
Check for short and replace fuse
Bulb burned out
Replace bulb
CAN line faulty
Check the Smart Junction Box(SJB)
Door switch faulty
Check switch
Wiring or ground faulty
Repair if necessary
Speedometer does not operate
Vehicle speed sensor faulty
Check the vehicle speed sensor (M/T)
CAN line faulty
Check the EMS (A/T)
Seat belt warning lamp does not light up
Cluster fuse (10A) blown
Check for short and replace fuse
Bulb burned out
Replace bulb
CAN line faulty
Check the BCM
Seat belt switch faulty
Check switch
Wiring or ground faulty
Repair if necessary


Installation
1. Reassemble the steering wheel remote control switch after connecting the connector. 2. Reassemble the steering wheel. 3. Reassemble the driver airbag ...

Power Door Locks
...

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