Engine-CodesGMC – P0617 2017 GMC Sierra

P0617 2017 GMC Sierra Code - Starter Relay Control Circuit High Voltage

Quick Answer

The P0617 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a problem with the starter relay control circuit having high voltage. Common causes include Faulty starter relay, Wiring issues in the starter relay control circuit, Malfunctioning PCM. 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
P0617 2017 GMC Sierra indicates Starter Relay Control Circuit High Voltage.
Common causes
Common causes include Faulty starter relay, Wiring issues in the starter relay control circuit, Malfunctioning PCM.
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 17, 2024
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Code P0617 2017 GMC Sierra Description

The P0617 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a problem with the starter relay control circuit having high voltage. This code is typically triggered when the powertrain control module (PCM) detects that the voltage in the starter relay control circuit is higher than the specified range. The starter relay is responsible for sending power to the starter motor to crank the engine. When the voltage in the control circuit is too high, it can lead to issues with starting the vehicle, potentially causing the engine not to crank or start at all.

OBDII Code P0617 2017 GMC Sierra - Starter Relay Control Circuit High Voltage
P0617 2017 GMC Sierra Code - Starter Relay Control Circuit High Voltage

Common Causes of P0617 2017 GMC Sierra

  1. Faulty starter relay.
  2. Wiring issues in the starter relay control circuit.
  3. Malfunctioning PCM.
  4. Problem with the ignition switch.
  5. Corrosion or loose connections in the circuit.

Symptoms of P0617 2017 GMC Sierra

  1. Engine cranks but does not start.
  2. Intermittent starting issues.
  3. Clicking sound when turning the key.
  4. Engine fails to crank at all.

How to Fix P0617 2017 GMC Sierra

  1. Begin by checking the wiring in the starter relay control circuit for any damage, corrosion, or loose connections. Repair or replace any damaged wiring.
  2. Test the starter relay to ensure it is functioning correctly. Replace the starter relay if it is faulty.
  3. Check the PCM for any signs of malfunction. If necessary, reprogram or replace the PCM.
  4. Inspect the ignition switch for any issues and replace it if needed.
  5. Clear the DTC and test the vehicle to ensure the issue has been resolved.

Cost to Fix P0617 2017 GMC Sierra

The cost of repairing a P0617 code on a 2017 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of parts such as a starter relay or ignition switch can range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total repair cost for this issue may fall between $150 and $500. It is important to note that these are rough estimates, and actual costs may vary based on factors such as location, labor rates, and the extent of the repairs needed. It is advisable to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate.

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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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