AutoCodes – Buick – P1619 Buick

P1619 Buick Code - Engine Oil Life Monitor Reset Circuit

Quick Answer

With the key on, then Powertrain Control Module (PCM) detects a circuit grounded condition in the Oil Life Monitor circuit condition met for over 60 seconds. Common causes include Faulty Oil Life Monitor, Oil Life Monitor harness is open or shorted, Oil Life Monitor 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: P1619 Buick indicates Engine Oil Life Monitor Reset Circuit.
Common causes: Common causes include Faulty Oil Life Monitor, Oil Life Monitor harness is open or shorted, Oil Life Monitor 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 3,393

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 P1619 Buick Description

With the key on, then Powertrain Control Module (PCM) detects a circuit grounded condition in the Oil Life Monitor circuit condition met for over 60 seconds.

OBDII Code P1619 Buick - Engine Oil Life Monitor Reset Circuit - AutoCodes.com — P1619 Buick Code - Engine Oil Life Monitor Reset Circuit

What does this mean?

What are the Possible Causes of the DTC P1619 Buick?

Faulty Oil Life Monitor
Oil Life Monitor harness is open or shorted
Oil Life Monitor circuit poor electrical connection

How to Fix the DTC P1619 Buick?

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 P1619 Buick 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.