AutoCodes – Generic – P0817

P0817 Code - Starter Disable Circuit

Quick Answer

The Transmission Control Module (TCM) monitors the Starter Disable Circuit signal. Common causes include Faulty Starter Relay, Starter Relay harness is open or shorted, 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: P0817 indicates Starter Disable Circuit.
Common causes: Common causes include Faulty Starter Relay, Starter Relay harness is open or shorted, 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 12,500

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 09, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P0817 Description

The Transmission Control Module (TCM) monitors the Starter Disable Circuit signal. The TCM sets the OBDII code when the Starter Disable Circuit signal is not to factory specifications.

OBDII Code P0817 - Starter Disable Circuit - AutoCodes.com — P0817 Code - Starter Disable Circuit

What does this mean?

What are the Possible Causes of the DTC P0817?

Faulty Starter Relay
Starter Relay harness is open or shorted
Starter Relay circuit poor electrical connection

How to Fix the DTC P0817?

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 P0817 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.

Need more information about the P0817 code?

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Need Help with the Code?

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Information for Specific Makes

P0817 Chrysler — Starter Disable Circuit
P0817 Dodge — Starter Disable Circuit
P0817 Jeep — Starter Disable Circuit
P0817 Mazda — Starter Relay 2 Circuit Malfunction
P0817 Mercedes-Benz — Starter Disable Circuit
P0817 Subaru — Starter Disable Circuit

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.