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P0135KiaKia Telluride HubAll Kia P0135Low to Medium Severity

P0135 on Kia Telluride: Fix & DLC Location

Factory diagnostic troubleshooting wire for fault code P0135 (O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)) specifically on the Kia Telluride (2020–2026, 3.8L Lambda II V6 (291HP / 262 lb-ft torque)).

Kia Telluride
DIY Parts Estimate
$80 - $240 (DIY Sensor: $45)
Telluride OEM Fitment
Shop Labor Quote
$180 – $380
Based on $105/hr labor
Drivability Status
Drivable (Short Trip)
Low to Medium urgency level
Est. DIY Time
45 – 90 Min
Basic hand tools
Check P0135 On Another Kia Model:
Kia TellurideKia Sportage

1. Symptoms of P0135 on Kia Telluride

When the Engine Control Module (ECM/PCM) on your Kia Telluride (3.8L Lambda II V6 (291HP / 262 lb-ft torque)) logs fault code P0135, drivers commonly observe:

Check Engine Light on on Kia Telluride (3.8L Lambda II V6 (291HP / 262 lb-ft torque))
Slightly increased fuel consumption on short trips on Kia Telluride (3.8L Lambda II V6 (291HP / 262 lb-ft torque))
Failed state emissions inspection on Kia Telluride (3.8L Lambda II V6 (291HP / 262 lb-ft torque))
Kia Telluride OBD-II Port Location
The 16-pin diagnostic connector is located Under driver side dashboard near fuse box panel. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Kia Telluride

Historical warranty claims and technical repair bulletins for Kia Telluride point to the following failure distribution:

55%
Burnt-out internal heating element in upstream oxygen sensor (Kia OEM Part)
25%
Blown O2 sensor heater fuse (Kia OEM Part)
12%
Melted or damaged sensor wiring near exhaust manifold (Kia OEM Part)
8%
Excessive circuit resistance (Kia OEM Part)

3. Step-by-Step DIY Repair Guide for Kia Telluride

01
Check the Heater Fuse

Locate the under-hood fuse box and test the O2 sensor heater fuse with a multimeter or test light. on the Kia Telluride equipped with 3.8L Lambda II V6 (291HP / 262 lb-ft torque).

02
Measure Sensor Heater Resistance

Unplug the Bank 1 Sensor 1 connector and test resistance between the two heater pins (typically 3 to 15 ohms). on the Kia Telluride equipped with 3.8L Lambda II V6 (291HP / 262 lb-ft torque).

03
Replace Upstream O2 Sensor

Use an O2 sensor socket wrench to remove the old sensor from the exhaust manifold and install an OEM-spec replacement with anti-seize on the threads. on the Kia Telluride equipped with 3.8L Lambda II V6 (291HP / 262 lb-ft torque).

Other Common Fault Codes on Kia Telluride

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Kia Telluride:

4. Kia Telluride P0135 FAQs

What causes code P0135 to trigger on a Kia Telluride?

On the Kia Telluride (3.8L Lambda II V6 (291HP / 262 lb-ft torque)), P0135 is most frequently caused by Burnt-out internal heating element in upstream oxygen sensor or Blown O2 sensor heater fuse.

Where is the OBD-II port located on my Kia Telluride?

On the Kia Telluride, the 16-pin DLC diagnostic connector is located Under driver side dashboard near fuse box panel. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Kia Telluride with code P0135?

Yes, vehicle is safe to drive, but will stay in open-loop mode longer upon startup. Given that P0135 carries a Low to Medium severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.