Engine-CodesBuick – P1663 Buick

P1663 Buick Code - Change Oil Lamp Control Circuit Conditions

Quick Answer

The P1663 Buick code refers to the Change Oil Lamp Control Circuit Conditions. Common causes include Faulty oil change reminder sensor, Wiring or electrical issues in the change oil lamp control circuit, Malfunctioning control module responsible for monitoring oil change intervals. 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 Buick indicates Change Oil Lamp Control Circuit Conditions.
Common causes
Common causes include Faulty oil change reminder sensor, Wiring or electrical issues in the change oil lamp control circuit, Malfunctioning control module responsible for monitoring oil change intervals.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1663 Buick Description

The P1663 Buick code refers to the Change Oil Lamp Control Circuit Conditions. This code typically indicates a problem with the control circuit for the change oil lamp in the vehicle. The change oil lamp is responsible for alerting the driver when it is time to change the engine oil. When this circuit malfunctions, it can lead to issues with the oil change reminder system, potentially causing the driver to miss important maintenance intervals.

OBDII Code P1663 Buick - Change Oil Lamp Control Circuit Conditions
P1663 Buick Code - Change Oil Lamp Control Circuit Conditions

Common Causes of P1663 Buick

  1. Faulty oil change reminder sensor.
  2. Wiring or electrical issues in the change oil lamp control circuit.
  3. Malfunctioning control module responsible for monitoring oil change intervals.
  4. Incorrect oil change interval settings in the vehicle's computer system.
  5. Software or programming issues affecting the change oil lamp functionality.

Symptoms of P1663 Buick

  1. The change oil lamp not illuminating when it should for an oil change reminder.
  2. The change oil lamp staying illuminated even after an oil change has been performed.
  3. Inaccurate oil change interval notifications on the instrument cluster.
  4. Engine performance issues or reduced fuel efficiency due to missed oil changes.

How to Fix P1663 Buick

  1. Begin by performing a thorough inspection of the oil change reminder system, including the sensor, wiring, and control module.
  2. Test the sensor and wiring connections for continuity and proper voltage.
  3. Check and reset the oil change interval settings in the vehicle's computer system.
  4. Replace any faulty components such as the sensor or control module if necessary.
  5. Clear the diagnostic trouble codes and reset the change oil lamp to ensure proper functionality.

Cost to Fix P1663 Buick

The cost of repairing the P1663 Buick code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair for this code can range from $100 to $300, including parts and labor. Keep in mind that diagnostic time and labor rates can vary between auto repair shops, so it's advisable to obtain quotes from multiple sources to ensure a competitive price. Additionally, factors such as the vehicle's make and model, as well as the availability of replacement parts, can also impact the total repair cost.

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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.

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