Is It Safe to Drive With a P0705 Code?
Common Symptoms of a P0705 Fault
P0705 Symptoms at a Glance
Transmission warning light
EML on
Starter may not operate in park or neutral
Vehicle may start in gear (safety risk)
Harsh or incorrect gear selection
Possible Causes of P0705
A P0705 code can be triggered by faults across several systems. Identifying the exact root cause requires proper diagnostic equipment and live data — not just reading the code.
Common Causes of P0705
Range Sensor Wiring Fault
Wiring or connector to the transmission range sensor is damaged.
Range Sensor Failure
The sensor/switch itself has failed.
Gear Selector Adjustment
Selector linkage misaligned — sensor not reading position correctly.
ECU Input Fault
ECU input for the range sensor has a fault.
Why we don't list the exact part: A P0705 code tells you what's happening but not why. Replacing parts without diagnosis is the most common way drivers waste money. A proper diagnosis identifies the specific cause first.
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P0705 and Your MOT
A stored P0705 fault code will cause your car to fail its MOT. The engine management light will be illuminated during the test — an automatic failure. Get the fault diagnosed and repaired, then have the code cleared before booking your test.