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 P0615 codes is detected when park/neutral (PNP) relay (starter relay) is switched