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P0705 on Kia Sorento

Transmission Range Sensor Circuit Malfunction (PRNDL Input)

Factory diagnostic protocol and troubleshooting wire for fault code P0705 specifically for the Kia Sorento (2021–2026, 2.5L 4-Cyl (191HP) / 2.5L Turbo (281HP) / 1.6L Turbo Hybrid (227HP)).

Verified OEM Telemetry & Field Repair Tree
Kia Sorento2021–2026
Kia Sorento
SUV2.5L 4-Cyl (191HP) / 2.5L Turbo (281HP) / 1.6L Turbo Hybrid (227HP)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
Sorento SAE Mode $01
ECU Network Bus
500 kbps CAN-FD
ISO 15765-4 Compliant
Drivability Status
Drivable (Short Trip)
High urgency level
Est. Repair Cost
$120 - $450 (DIY: $40 - $160)
Parts & Labor DIY
Check P0705 On Another Kia Model:
Diagnose P0705 on Specific Sorento Model Year:

1. Symptoms of P0705 on Kia Sorento

When the Engine Control Module (ECM/PCM) on your Kia Sorento (2.5L 4-Cyl (191HP) / 2.5L Turbo (281HP) / 1.6L Turbo Hybrid (227HP)) logs fault code P0705, drivers commonly observe:

Check Engine Light on on Kia Sorento (2.5L 4-Cyl (191HP) / 2.5L Turbo (281HP) / 1.6L Turbo Hybrid (227HP))
Vehicle will not crank/start in Park (starts only in Neutral) on Kia Sorento (2.5L 4-Cyl (191HP) / 2.5L Turbo (281HP) / 1.6L Turbo Hybrid (227HP))
Gear indicator on dashboard (P R N D 1 2) is blank or displays wrong gear on Kia Sorento (2.5L 4-Cyl (191HP) / 2.5L Turbo (281HP) / 1.6L Turbo Hybrid (227HP))
Transmission shifts harshly or goes into 3rd gear limp mode on Kia Sorento (2.5L 4-Cyl (191HP) / 2.5L Turbo (281HP) / 1.6L Turbo Hybrid (227HP))
Reverse backup lights fail to illuminate on Kia Sorento (2.5L 4-Cyl (191HP) / 2.5L Turbo (281HP) / 1.6L Turbo Hybrid (227HP))
Kia Sorento OBD-II Port Location
The 16-pin diagnostic connector is located Under driver side dash above foot pedal cluster. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Kia Sorento

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

55%
Misaligned or faulty Transmission Range Sensor / Neutral Safety Switch (NSS) (Kia OEM Part)
25%
Corroded or water-logged connector on transmission side (Kia OEM Part)
12%
Stretched or misadjusted shift linkage cable (Kia OEM Part)
8%
Broken internal switch contacts (Kia OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for Kia Sorento.

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

01
Check PRNDL Live Data

Move gear selector through all positions while monitoring scan tool TR PID to see which gear positions fail to register. on the Kia Sorento equipped with 2.5L 4-Cyl (191HP) / 2.5L Turbo (281HP) / 1.6L Turbo Hybrid (227HP).

Required Tool: OBD-II Scanner
02
Inspect Shift Cable Alignment

Ensure the mechanical shift linkage fully clicks the transmission lever into the physical detent for Park and Neutral. on the Kia Sorento equipped with 2.5L 4-Cyl (191HP) / 2.5L Turbo (281HP) / 1.6L Turbo Hybrid (227HP).

Required Tool: Pliers, Socket Set
03
Test Neutral Safety Switch Continuity

Use multimeter to check continuity across switch pins in Park, Reverse, Neutral, and Drive. on the Kia Sorento equipped with 2.5L 4-Cyl (191HP) / 2.5L Turbo (281HP) / 1.6L Turbo Hybrid (227HP).

Required Tool: Digital Multimeter
04
Replace or Re-align Range Sensor

Loosen mounting bolts, use alignment pin to align sensor slot with transmission shaft in Neutral, torque bolts, or install new OEM sensor. on the Kia Sorento equipped with 2.5L 4-Cyl (191HP) / 2.5L Turbo (281HP) / 1.6L Turbo Hybrid (227HP).

Required Tool: 10mm/12mm Sockets, Alignment Pin
05
Clear Trouble Codes and Verify Starting

Clear DTCs and confirm engine starts in Park and Neutral, reverse lights activate, and gear display is accurate. on the Kia Sorento equipped with 2.5L 4-Cyl (191HP) / 2.5L Turbo (281HP) / 1.6L Turbo Hybrid (227HP).

Required Tool: OBD-II Scanner
Recommended Parts & Testing Tools

Equipment for Diagnosing Kia Sorento (P0705)

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Direct-Fit Replacement Part

Kia Sorento OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for Kia Sorento.

$45 – $95 Prime
Check Fitment on Amazon
Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

$29.99 Prime
View on Amazon
Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

Compare OEM & Aftermarket Replacement Sensors for Kia SorentoVerified direct-fit pricing from Denso, Bosch, Motorcraft, and ACDelco on Amazon.
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Other Common Fault Codes on Kia Sorento

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

4. Kia Sorento P0705 FAQs

What causes code P0705 to trigger on a Kia Sorento?

On the Kia Sorento (2.5L 4-Cyl (191HP) / 2.5L Turbo (281HP) / 1.6L Turbo Hybrid (227HP)), P0705 is most frequently caused by Misaligned or faulty Transmission Range Sensor / Neutral Safety Switch (NSS) or Corroded or water-logged connector on transmission side.

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

On the Kia Sorento, the 16-pin DLC diagnostic connector is located Under driver side dash above foot pedal cluster. 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 Sorento with code P0705?

Caution. Vehicle may not start in Park, backup lights may not work, and transmission may lock in Limp Mode. Given that P0705 carries a High severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.