P0705 on Acura TLX
Factory diagnostic protocol and troubleshooting wire for fault code P0705 specifically for the Acura TLX (2021–2026, 2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD)).
1. Symptoms of P0705 on Acura TLX
When the Engine Control Module (ECM/PCM) on your Acura TLX (2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD)) logs fault code P0705, drivers commonly observe:
2. Most Likely Causes on Acura TLX
Historical warranty claims and technical repair bulletins for Acura TLX point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Acura TLX
Move gear selector through all positions while monitoring scan tool TR PID to see which gear positions fail to register. on the Acura TLX equipped with 2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD).
Ensure the mechanical shift linkage fully clicks the transmission lever into the physical detent for Park and Neutral. on the Acura TLX equipped with 2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD).
Use multimeter to check continuity across switch pins in Park, Reverse, Neutral, and Drive. on the Acura TLX equipped with 2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD).
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 TLX equipped with 2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD).
Clear DTCs and confirm engine starts in Park and Neutral, reverse lights activate, and gear display is accurate. on the Acura TLX equipped with 2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD).
Equipment for Diagnosing Acura TLX (P0705)
Acura TLX OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Acura TLX.
AstroAI Auto-Ranging Digital Multimeter
Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.
BlueDriver Bluetooth Pro OBDII Scan Tool
Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.
Other Common Fault Codes on Acura TLX
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Acura TLX:
4. Acura TLX P0705 FAQs
What causes code P0705 to trigger on a Acura TLX?
On the Acura TLX (2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD)), 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 TLX?
On the Acura TLX, the 16-pin DLC diagnostic connector is located Driver footwell below 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 TLX 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.

