P0705

What does P0705 mean?

A fault in the transmission range (gear selector) sensor circuit.

Can I drive with P0705?

A steady check-engine light with the car otherwise behaving normally usually means you can drive carefully to get it diagnosed — but a flashing light, shaking, lost power, or a strong fuel smell changes that. When in doubt, treat it as more serious. See Can I Drive It? for a quick read on your exact symptoms.

Common symptoms

• Check engine light
• Harsh, delayed or slipping shifts
• Sometimes a limp mode holding one gear
• The transmission warning light

Possible causes

Possible causes include — not “the part is definitely bad”:

• A failing range sensor or switch
• Wiring or connector faults
• An adjustment issue

What P0705 does not prove

It does not prove the transmission has failed or needs replacing. Many of these codes point at a solenoid, a sensor, fluid condition, or wiring — proper diagnosis comes first.

What you can safely check

• Whether shifting feels harsh, delayed or slipping
• Whether it has dropped into a limp mode
• The transmission fluid level and condition if your vehicle allows checking it

What a shop may check

An example diagnostic direction, not a guaranteed procedure:

• Scan tool and live transmission data
• Fluid level and condition
• The affected solenoid or sensor circuit and wiring
• Shift and pressure testing

What not to do

• Don’t assume the transmission needs replacing from the code alone
• Don’t keep driving hard in a slipping or limp-mode condition

Generic OBD-II guidance — manufacturer-specific codes and causes vary by make, so always confirm against your vehicle. A code identifies a system or condition; it does not, on its own, prove which part has failed.