Possible causes

– Faulty Park/Neutral Position Switch
– Misadjusted Park/Neutral Position Switch
– Park/Neutral Position Switch harness is open or shorted
– Park/Neutral Position Switch circuit poor electrical connection

When is the code detected?

The transmission range switch detects the selector lever position and sends a signal to the TCM.

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P0705 HONDA Description

The park/neutral position (PNP) switch includes a transmission range switch. The transmission range switch detects the selector lever position when the shift lever is in the N or P shift position and sends a signal to the Transmission Control Module (TCM).

HONDA Technical Service Bulletins for P0705 code