Engine-CodesChevrolet – P0650 2018 Chevrolet Silverado

P0650 2018 Chevrolet Silverado Code - Malfunction Indicator Lamp Control Circuit

Quick Answer

The P0650 diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado refers to a malfunction in the Malfunction Indicator Lamp (MIL) control circuit. Common causes include Faulty wiring or connectors in the MIL control circuit, Short circuit in the circuit, Open circuit in the circuit. 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
P0650 2018 Chevrolet Silverado indicates Malfunction Indicator Lamp Control Circuit.
Common causes
Common causes include Faulty wiring or connectors in the MIL control circuit, Short circuit in the circuit, Open circuit in the circuit.
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 13, 2024
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Code P0650 2018 Chevrolet Silverado Description

The P0650 diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado refers to a malfunction in the Malfunction Indicator Lamp (MIL) control circuit. The MIL, commonly known as the check engine light, is a crucial component of the vehicle's onboard diagnostics system. When this code is triggered, it indicates that there is a fault in the circuit responsible for controlling the MIL, which can have various implications for the vehicle's performance and overall health.

OBDII Code P0650 2018 Chevrolet Silverado - Malfunction Indicator Lamp Control Circuit
P0650 2018 Chevrolet Silverado Code - Malfunction Indicator Lamp Control Circuit

Common Causes of P0650 2018 Chevrolet Silverado

  1. Faulty wiring or connectors in the MIL control circuit
  2. Short circuit in the circuit
  3. Open circuit in the circuit
  4. Malfunctioning control module
  5. Corrosion or damage to components in the circuit

Symptoms of P0650 2018 Chevrolet Silverado

  1. Check engine light not illuminating when there are issues present
  2. Check engine light staying on when there are no issues
  3. Increased emissions
  4. Reduced fuel efficiency
  5. Difficulty passing emissions tests

How to Fix P0650 2018 Chevrolet Silverado

  1. Use a diagnostic scanner to retrieve the DTC and verify the issue.
  2. Inspect the wiring, connectors, and components associated with the MIL control circuit for damage or corrosion.
  3. Repair or replace any damaged wiring or connectors.
  4. Test the circuit to ensure proper functionality.
  5. Clear the DTC and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P0650 2018 Chevrolet Silverado

The typical repair costs for addressing a P0650 code on a 2018 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, the cost of parts for this repair could range from $50 to $200, while labor costs could range from $100 to $300. It's important to note that diagnostic time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check with local repair shops for a more accurate estimate based on your specific circumstances.

Tech Notes for P0650 2018 Chevrolet Silverado

If the condition is intermittent, move the related harnesses and connectors while monitoring the scan tool MIL control circuit status parameters. Perform this test with the ignition ON and the engine OFF, and with the engine running. The MIL control circuit status parameters change from OK or Not Run to Malfunction if there is a condition with a circuit or a connection.

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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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