P0673 on Hyundai Santa Fe: Fix & DLC Location
Factory diagnostic troubleshooting wire for fault code P0673 (P0673: Cylinder 3 Glow Plug Circuit Malfunction) specifically on the Hyundai Santa Fe (2021–2026, 2.5L Turbocharged 4-Cyl (277HP) / 1.6L Turbo Hybrid (231HP)).
1. Symptoms of P0673 on Hyundai Santa Fe
When the Engine Control Module (ECM/PCM) on your Hyundai Santa Fe (2.5L Turbocharged 4-Cyl (277HP) / 1.6L Turbo Hybrid (231HP)) logs fault code P0673, drivers commonly observe:
2. Most Likely Causes on Hyundai Santa Fe
Historical warranty claims and technical repair bulletins for Hyundai Santa Fe point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Hyundai Santa Fe
Interface with the diagnostic port or system console using verified scanning hardware. Record freeze-frame data, active sub-codes, and timestamps to isolate whether P0673 is static or intermittent. on the Hyundai Santa Fe equipped with 2.5L Turbocharged 4-Cyl (277HP) / 1.6L Turbo Hybrid (231HP).
Visually inspect the physical component (Cylinder 3 Glow Plug), connector pins, and associated wiring harnesses for signs of corrosion, thermal melting, or loose grounding clips. on the Hyundai Santa Fe equipped with 2.5L Turbocharged 4-Cyl (277HP) / 1.6L Turbo Hybrid (231HP).
Measure reference voltages and resistance thresholds against manufacturer factory specifications. Replace any component failing nominal impedance tolerances. on the Hyundai Santa Fe equipped with 2.5L Turbocharged 4-Cyl (277HP) / 1.6L Turbo Hybrid (231HP).
Install genuine OEM replacement hardware or execute registry / service commands. Ensure all mounting bolts are torqued to factory specifications. on the Hyundai Santa Fe equipped with 2.5L Turbocharged 4-Cyl (277HP) / 1.6L Turbo Hybrid (231HP).
Erase the fault code from non-volatile memory. Perform a standard verification cycle (e.g. 15-minute mixed drive or system stress benchmark) to ensure monitors reset to 'Ready' state without recurrent fault flags. on the Hyundai Santa Fe equipped with 2.5L Turbocharged 4-Cyl (277HP) / 1.6L Turbo Hybrid (231HP).
Other Common Fault Codes on Hyundai Santa Fe
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Hyundai Santa Fe:
4. Hyundai Santa Fe P0673 FAQs
What causes code P0673 to trigger on a Hyundai Santa Fe?
On the Hyundai Santa Fe (2.5L Turbocharged 4-Cyl (277HP) / 1.6L Turbo Hybrid (231HP)), P0673 is most frequently caused by Component aging, oxidation, or degraded internal circuit element (Cylinder 3 Glow Plug) or Wiring harness abrasion, loose terminal pin, or ground voltage float.
Where is the OBD-II port located on my Hyundai Santa Fe?
On the Hyundai Santa Fe, the 16-pin DLC diagnostic connector is located Lower dash trim near hood latch release. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Hyundai Santa Fe with code P0673?
Yes, for temporary operations. However, resolve promptly to maintain optimal efficiency and prevent cascade failures. Given that P0673 carries a Moderate severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.