AutoCodes – Nissan – P0615 Nissan

P0615 Nissan Code - Start Signal Circuit

Quick Answer

Transmission Control Module (TCM) controls park/neutral (PNP) relay (starter relay) in IPDM E/R. Common causes include 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. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P0615 Nissan indicates Start Signal Circuit.
Common causes: Common causes include 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.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 37,694

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 01, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P0615 Nissan Description

Transmission Control Module (TCM) controls park/neutral (PNP) relay (starter relay) in IPDM E/R. TCM switches PNP relay â€œONâ€ at â€œPâ€ or â€œNâ€ position and allows to crank engine. Then it prohibits cranking other than at â€œPâ€ or â€œNâ€ position.

OBDII Code P0615 Nissan - Start Signal Circuit - AutoCodes.com — P0615 Nissan Code - Start Signal Circuit

What does this mean?

What are the Possible Causes of the DTC P0615 Nissan?

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)

How to Fix the DTC P0615 Nissan?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0615 Nissan code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.