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P0705 on Toyota Crown

Transmission Range Sensor Circuit Malfunction (PRNDL Input)

Factory diagnostic protocol and troubleshooting wire for fault code P0705 specifically for the Toyota Crown (2023–2026, 2.4L Turbo Hybrid MAX (340HP) / 2.5L THS II Hybrid AWD).

Verified OEM Telemetry & Field Repair Tree
Toyota Crown2023–2026
Toyota Crown
Sedan2.4L Turbo Hybrid MAX (340HP) / 2.5L THS II Hybrid AWD
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
Crown 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 Toyota Model:
Diagnose P0705 on Specific Crown Model Year:

1. Symptoms of P0705 on Toyota Crown

When the Engine Control Module (ECM/PCM) on your Toyota Crown (2.4L Turbo Hybrid MAX (340HP) / 2.5L THS II Hybrid AWD) logs fault code P0705, drivers commonly observe:

Check Engine Light on on Toyota Crown (2.4L Turbo Hybrid MAX (340HP) / 2.5L THS II Hybrid AWD)
Vehicle will not crank/start in Park (starts only in Neutral) on Toyota Crown (2.4L Turbo Hybrid MAX (340HP) / 2.5L THS II Hybrid AWD)
Gear indicator on dashboard (P R N D 1 2) is blank or displays wrong gear on Toyota Crown (2.4L Turbo Hybrid MAX (340HP) / 2.5L THS II Hybrid AWD)
Transmission shifts harshly or goes into 3rd gear limp mode on Toyota Crown (2.4L Turbo Hybrid MAX (340HP) / 2.5L THS II Hybrid AWD)
Reverse backup lights fail to illuminate on Toyota Crown (2.4L Turbo Hybrid MAX (340HP) / 2.5L THS II Hybrid AWD)
Toyota Crown OBD-II Port Location
The 16-pin diagnostic connector is located Driver lower footwell beneath OBD protective lip. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Toyota Crown

Historical warranty claims and technical repair bulletins for Toyota Crown point to the following failure distribution:

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

3. Step-by-Step DIY Repair Guide for Toyota Crown

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 Toyota Crown equipped with 2.4L Turbo Hybrid MAX (340HP) / 2.5L THS II Hybrid AWD.

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 Toyota Crown equipped with 2.4L Turbo Hybrid MAX (340HP) / 2.5L THS II Hybrid AWD.

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 Toyota Crown equipped with 2.4L Turbo Hybrid MAX (340HP) / 2.5L THS II Hybrid AWD.

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 Toyota Crown equipped with 2.4L Turbo Hybrid MAX (340HP) / 2.5L THS II Hybrid AWD.

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 Toyota Crown equipped with 2.4L Turbo Hybrid MAX (340HP) / 2.5L THS II Hybrid AWD.

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

Equipment for Diagnosing Toyota Crown (P0705)

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Direct-fit replacement assembly engineered to OEM tolerances for Toyota Crown.

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Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

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

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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 Toyota Crown

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Toyota Crown:

4. Toyota Crown P0705 FAQs

What causes code P0705 to trigger on a Toyota Crown?

On the Toyota Crown (2.4L Turbo Hybrid MAX (340HP) / 2.5L THS II Hybrid 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 Toyota Crown?

On the Toyota Crown, the 16-pin DLC diagnostic connector is located Driver lower footwell beneath OBD protective lip. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Toyota Crown 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.