AutoCodes – Chevrolet – P1663 Chevrolet

P1663 Chevrolet Code - Change Oil Lamp Control Circuit Conditions

Quick Answer

With the engine speed over 600 rpm, the Powertrain Control Module (PCM) detects that commanded state of the Change Oil Lamp driver and the Actual state of the control circuit did not match for over 5 seconds. Common causes include Faulty Change Oil Lamp, Change Oil Lamp harness is open or shorted, Change Oil Lamp circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P1663 Chevrolet indicates Change Oil Lamp Control Circuit Conditions.
Common causes: Common causes include Faulty Change Oil Lamp, Change Oil Lamp harness is open or shorted, Change Oil Lamp circuit poor electrical connection.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 6,817

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 07, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1663 Chevrolet Description

OBDII Code P1663 Chevrolet - Change Oil Lamp Control Circuit Conditions - AutoCodes.com — P1663 Chevrolet Code - Change Oil Lamp Control Circuit Conditions

What does this mean?

What are the Possible Causes of the DTC P1663 Chevrolet?

Faulty Change Oil Lamp
Change Oil Lamp harness is open or shorted
Change Oil Lamp circuit poor electrical connection

How to Fix the DTC P1663 Chevrolet?

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 P1663 Chevrolet 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 P1663 Chevrolet code?

Need more information on how to fix the P1663 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1663 Chevrolet code diagnosed by a professional: Find a repair shop in your area

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.

Frequently Asked Questions about P1663 Chevrolet Code

1. What does the OBDII code P1663 for Chevrolet indicate?

The P1663 code specifically relates to the Change Oil Lamp Control Circuit Conditions in a Chevrolet vehicle.

2. What are common symptoms of the P1663 code in a Chevrolet?

Common symptoms include the change oil light staying on, inaccurate oil change reminders, or a malfunctioning oil change indicator.

3. What are possible causes of the P1663 code in a Chevrolet?

Potential causes include a faulty oil change indicator switch, issues with the oil change reminder system, or wiring problems within the circuit.

4. How can I diagnose the P1663 code in my Chevrolet?

Diagnosing the P1663 code typically involves inspecting the oil change indicator switch, checking the wiring for any damage, and testing the oil change reminder system for proper functionality.

5. Can I continue driving my Chevrolet with the P1663 code present?

While the vehicle may still be operable with the P1663 code, it's recommended to address the issue promptly to ensure accurate oil change reminders and proper maintenance.

6. How can I repair the P1663 code in my Chevrolet?

Repairing the P1663 code often involves replacing the oil change indicator switch if faulty, repairing any damaged wiring, or resetting the oil change reminder system.

7. Is the P1663 code in a Chevrolet a serious issue?

The P1663 code is not typically a serious issue that affects the drivability of the vehicle, but it is important to address to maintain proper maintenance reminders.

8. Can I reset the P1663 code in my Chevrolet without repairs?

Resetting the code without addressing the underlying issue may temporarily clear the warning, but the problem will likely recur until the root cause is fixed.

9. How much does it cost to repair the P1663 code in a Chevrolet?

The cost of repairing the P1663 code can vary depending on the specific cause of the issue, but it may involve replacing the oil change indicator switch, which can range from $50 to $150.

10. Can a DIY enthusiast fix the P1663 code in a Chevrolet?

DIY enthusiasts with knowledge of automotive electrical systems may be able to diagnose and repair the P1663 code, especially if the issue is related to the oil change indicator switch or wiring.