Hyundai Santa Fe (TM) Common Problems & Reliability
The fourth-generation Hyundai Santa Fe (TM, 2018–2024) is a premium seven-seat flagship SUV. Combining striking exterior design with an upscale cabin, it introduced modern 1.6 T-GDi Self-Charging Hybrid (HEV) and Plug-in Hybrid (PHEV) powertrains alongside the refined 2.2-litre Smartstream CRDi diesel with an 8-speed wet DCT transmission.
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Detailed fault breakdown, symptoms, and estimated repair bills by production year.
Most Common Hyundai Santa Fe (TM) Faults & Repair Costs
12V Auxiliary Battery Parasitic Discharge (HEV/PHEV)
Hybrid and Plug-in Hybrid variants can experience 12V battery drain when parked for extended periods, frequently triggered by Bluelink connected car telemetry waking vehicle control modules.
Vehicle unstartable after standing for 2-3 days, "12V Battery Discharged" warning message, Keyless entry fail to unlock doors
- Confirm BMS software update TSB 24-01-090H has been applied
- Test 12V battery capacity
- Check operation of 12V BATT RESET switch
8-Speed Wet Dual-Clutch Transmission Electric Oil Pump (Recall)
On 2.2 CRDi Smartstream models, an internal solder joint failure on the transmission electric auxiliary oil pump (EOP) circuit board can trigger a limp-home safety shutdown, cutting drive.
"Stop vehicle immediately" alert on digital cluster, Propulsion cut after 20-second countdown, DTC code P1C2D03 stored
- Check DVSA recall database for recall campaign completion
- Verify transmission control module software revision
Gasoline Particulate Filter (GPF) Soot Saturation (HEV)
On 1.6 T-GDi Hybrid models used almost exclusively for short-distance urban commuting, the petrol GPF exhaust filter can become saturated with soot due to low exhaust gas temperatures.
"Exhaust system: check" warning message, Engine management light, Reduced fuel economy and engine power
- Ask current owner about typical journey length
- Take on a 30-minute steady 50+ mph road test to trigger passive regeneration
Buying a used Hyundai Santa Fe (TM)? Always check for hidden finance and write-off history.
Mechanical problems are only half the battle. Over 1 in 3 UK used cars checked have unpaid finance or accident write-off records that could cause you to lose the car or thousands in value.