AutoCodes – GMC – P1617 GMC

P1617 GMC Code - Engine Oil Level Switch Circuit

Quick Answer

With the engine speed over 2000 rpm, throttle position over 5%, VSS input over 3 mph, vehicle in steady state cruise (no lateral acceleration detected), the Powertrain Control module (PCM) detects a low Engine Oil Level (EOL) switch signal (low voltage), and/or no transition of the EOL switch for at least 8 seconds. Common causes include Faulty Engine Oil Level (EOL), Engine Oil Level (EOL) harness is open or shorted, Engine Oil Level (EOL) 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: P1617 GMC indicates Engine Oil Level Switch Circuit.
Common causes: Common causes include Faulty Engine Oil Level (EOL), Engine Oil Level (EOL) harness is open or shorted, Engine Oil Level (EOL) 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 3,397

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 Sep 01, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1617 GMC Description

OBDII Code P1617 GMC - Engine Oil Level Switch Circuit - AutoCodes.com — P1617 GMC Code - Engine Oil Level Switch Circuit

What does this mean?

What are the Possible Causes of the DTC P1617 GMC?

Faulty Engine Oil Level (EOL)
Engine Oil Level (EOL) harness is open or shorted
Engine Oil Level (EOL) circuit poor electrical connection

How to Fix the DTC P1617 GMC?

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 P1617 GMC 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 P1617 GMC code?

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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.