P0705 on Honda Ridgeline
Factory diagnostic protocol and troubleshooting wire for fault code P0705 specifically for the Honda Ridgeline (2020–2026, 3.5L V6 SOHC VTEC (280HP / 262 lb-ft / AWD)).
1. Symptoms of P0705 on Honda Ridgeline
When the Engine Control Module (ECM/PCM) on your Honda Ridgeline (3.5L V6 SOHC VTEC (280HP / 262 lb-ft / AWD)) logs fault code P0705, drivers commonly observe:
2. Most Likely Causes on Honda Ridgeline
Historical warranty claims and technical repair bulletins for Honda Ridgeline point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Honda Ridgeline
Move gear selector through all positions while monitoring scan tool TR PID to see which gear positions fail to register. on the Honda Ridgeline equipped with 3.5L V6 SOHC VTEC (280HP / 262 lb-ft / AWD).
Ensure the mechanical shift linkage fully clicks the transmission lever into the physical detent for Park and Neutral. on the Honda Ridgeline equipped with 3.5L V6 SOHC VTEC (280HP / 262 lb-ft / AWD).
Use multimeter to check continuity across switch pins in Park, Reverse, Neutral, and Drive. on the Honda Ridgeline equipped with 3.5L V6 SOHC VTEC (280HP / 262 lb-ft / 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 Honda Ridgeline equipped with 3.5L V6 SOHC VTEC (280HP / 262 lb-ft / AWD).
Clear DTCs and confirm engine starts in Park and Neutral, reverse lights activate, and gear display is accurate. on the Honda Ridgeline equipped with 3.5L V6 SOHC VTEC (280HP / 262 lb-ft / AWD).
Equipment for Diagnosing Honda Ridgeline (P0705)
Honda Ridgeline OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Honda Ridgeline.
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 Honda Ridgeline
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Honda Ridgeline:
4. Honda Ridgeline P0705 FAQs
What causes code P0705 to trigger on a Honda Ridgeline?
On the Honda Ridgeline (3.5L V6 SOHC VTEC (280HP / 262 lb-ft / 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 Honda Ridgeline?
On the Honda Ridgeline, the 16-pin DLC diagnostic connector is located Under driver dash above driver left knee area. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Honda Ridgeline 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.