Engine-CodesGMC – P1617 GMC

P1617 GMC Code - Engine Oil Level Switch Circuit

Quick Answer

The P1617 GMC code refers to a fault in the engine oil level switch circuit. Common causes include Faulty engine oil level switch, Wiring or connection issues in the oil level switch circuit, Corrosion or damage to the oil level switch components. 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 switch, Wiring or connection issues in the oil level switch circuit, Corrosion or damage to the oil level switch components.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1617 GMC Description

The P1617 GMC code refers to a fault in the engine oil level switch circuit. The engine oil level switch is a crucial component that monitors the oil level in the engine. When the oil level drops below a certain point, the switch sends a signal to the engine control module (ECM) to alert the driver about low oil level. If this circuit malfunctions, it can lead to inaccurate oil level readings, which can have detrimental effects on the engine's performance and longevity.

OBDII Code P1617 GMC - Engine Oil Level Switch Circuit
P1617 GMC Code - Engine Oil Level Switch Circuit

Common Causes of P1617 GMC

  1. Faulty engine oil level switch
  2. Wiring or connection issues in the oil level switch circuit
  3. Corrosion or damage to the oil level switch components
  4. ECM software issues or malfunctions
  5. Low engine oil level

Symptoms of P1617 GMC

  1. Illumination of the oil pressure warning light on the dashboard
  2. Inaccurate or fluctuating oil level readings on the instrument cluster
  3. Engine overheating due to inadequate lubrication
  4. Engine knocking or unusual noises
  5. Engine stalling or rough idling

How to Fix P1617 GMC

  1. Begin by diagnosing the issue with a scan tool to confirm the P1617 code and pinpoint the exact cause of the fault.
  2. Inspect the engine oil level switch and its wiring for any visible damage or corrosion. Replace the switch if necessary.
  3. Check the connection between the oil level switch and the ECM for any loose or damaged wires. Repair or replace as needed.
  4. Clear the fault code from the ECM memory and test the vehicle to ensure the issue has been resolved.
  5. Finally, perform an oil change and verify that the engine oil level is within the recommended range.

Cost to Fix P1617 GMC

The typical repair costs for addressing a P1617 GMC code related to the engine oil level switch circuit can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnostic time and labor rates can vary, so it's recommended to consult with a trusted auto repair shop for a more accurate estimate based on your location and vehicle specifics.

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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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