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P0705 on Acura Integra

Transmission Range Sensor Circuit Malfunction (PRNDL Input)

Factory diagnostic protocol and troubleshooting wire for fault code P0705 specifically for the Acura Integra (2023–2026, 1.5L VTEC Turbo (200HP) / 2.0L VTEC Turbo (Type S 320HP)).

Verified OEM Telemetry & Field Repair Tree
Acura Integra2023–2026
Acura Integra
Sedan1.5L VTEC Turbo (200HP) / 2.0L VTEC Turbo (Type S 320HP)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
Integra 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 Acura Model:
Diagnose P0705 on Specific Integra Model Year:

1. Symptoms of P0705 on Acura Integra

When the Engine Control Module (ECM/PCM) on your Acura Integra (1.5L VTEC Turbo (200HP) / 2.0L VTEC Turbo (Type S 320HP)) logs fault code P0705, drivers commonly observe:

Check Engine Light on on Acura Integra (1.5L VTEC Turbo (200HP) / 2.0L VTEC Turbo (Type S 320HP))
Vehicle will not crank/start in Park (starts only in Neutral) on Acura Integra (1.5L VTEC Turbo (200HP) / 2.0L VTEC Turbo (Type S 320HP))
Gear indicator on dashboard (P R N D 1 2) is blank or displays wrong gear on Acura Integra (1.5L VTEC Turbo (200HP) / 2.0L VTEC Turbo (Type S 320HP))
Transmission shifts harshly or goes into 3rd gear limp mode on Acura Integra (1.5L VTEC Turbo (200HP) / 2.0L VTEC Turbo (Type S 320HP))
Reverse backup lights fail to illuminate on Acura Integra (1.5L VTEC Turbo (200HP) / 2.0L VTEC Turbo (Type S 320HP))
Acura Integra OBD-II Port Location
The 16-pin diagnostic connector is located Under driver dash, right of steering column. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Acura Integra

Historical warranty claims and technical repair bulletins for Acura Integra point to the following failure distribution:

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

3. Step-by-Step DIY Repair Guide for Acura Integra

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 Acura Integra equipped with 1.5L VTEC Turbo (200HP) / 2.0L VTEC Turbo (Type S 320HP).

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 Acura Integra equipped with 1.5L VTEC Turbo (200HP) / 2.0L VTEC Turbo (Type S 320HP).

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 Acura Integra equipped with 1.5L VTEC Turbo (200HP) / 2.0L VTEC Turbo (Type S 320HP).

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 Acura Integra equipped with 1.5L VTEC Turbo (200HP) / 2.0L VTEC Turbo (Type S 320HP).

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 Acura Integra equipped with 1.5L VTEC Turbo (200HP) / 2.0L VTEC Turbo (Type S 320HP).

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

Equipment for Diagnosing Acura Integra (P0705)

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Direct-Fit Replacement Part

Acura Integra OEM Replacement Sensor

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Direct-fit replacement assembly engineered to OEM tolerances for Acura Integra.

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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.

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BlueDriver Bluetooth Pro OBDII Scan Tool

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

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Other Common Fault Codes on Acura Integra

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Acura Integra:

4. Acura Integra P0705 FAQs

What causes code P0705 to trigger on a Acura Integra?

On the Acura Integra (1.5L VTEC Turbo (200HP) / 2.0L VTEC Turbo (Type S 320HP)), 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 Acura Integra?

On the Acura Integra, the 16-pin DLC diagnostic connector is located Under driver dash, right of steering column. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Acura Integra 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.