Possible causes

– Park/neutral position (PNP) relay (starter relay)
– Park/neutral position (PNP) relay (starter relay) harness is open or shorted
– Park/neutral position (PNP) relay (starter relay) circuit poor electrical connection
– Faulty Transmission Control Module (TCM)

When is the code detected?

The P0617 code is detected when the Engine Control Module (ECM) has detected a high signal from the starter relay.

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)
– Engine may not start

P0617 INFINITI Description

Transmission Control Module (TCM) controls park/neutral (PNP) relay (starter relay) in IPDM E/R. TCM switches PNP relay