Engine-CodesGMC – P0617 GMC

P0617 GMC Code - Starter Relay Control Circuit High Voltage

Quick Answer

The P0617 GMC code indicates an issue with the starter relay control circuit experiencing high voltage. Common causes include Faulty starter relay, Damaged wiring in the starter relay control circuit, Corrosion or poor connection 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
P0617 GMC indicates Starter Relay Control Circuit High Voltage.
Common causes
Common causes include Faulty starter relay, Damaged wiring in the starter relay control circuit, Corrosion or poor connection 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 12, 2024
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Code P0617 GMC Description

The P0617 GMC code indicates an issue with the starter relay control circuit experiencing high voltage. The starter relay is responsible for engaging the starter motor when the ignition key is turned. When this circuit detects high voltage, it typically means there is an electrical problem that could prevent the starter from functioning properly. This can lead to difficulty starting the vehicle and may eventually result in complete failure to start.

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

Common Causes of P0617 GMC

  1. Faulty starter relay
  2. Damaged wiring in the starter relay control circuit
  3. Corrosion or poor connection in the circuit
  4. Issues with the vehicle's battery
  5. Problems with the vehicle's charging system

Symptoms of P0617 GMC

  1. Difficulty starting the vehicle
  2. Intermittent starting issues
  3. Engine cranks but does not start
  4. Check engine light illuminated
  5. Increased fuel consumption

How to Fix P0617 GMC

  1. Begin by diagnosing the issue with a scan tool to confirm the P0617 GMC code.
  2. Inspect the starter relay and wiring for any visible damage or corrosion.
  3. Test the relay using a multimeter to ensure it is functioning correctly.
  4. Check the vehicle's battery and charging system for any issues that may be causing high voltage in the circuit.
  5. Replace the starter relay if it is found to be faulty, repair any damaged wiring, and address any other underlying issues causing the high voltage.

Cost to Fix P0617 GMC

The cost of repairing a P0617 GMC code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the cost of replacing a starter relay can range from $50 to $150, while the cost of diagnosing and repairing any wiring or electrical issues can add to the total cost. Overall, you can expect to pay anywhere from $100 to $300 for repairs related to a P0617 GMC code. It is recommended to consult with a professional technician to get an accurate estimate based on your vehicle's make and model.

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Information for Specific GMC Models

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 P0617 GMC Code

1. What does the OBDII code P0617 mean on a GMC vehicle?

The P0617 code indicates that the Engine Control Module (ECM) has detected a high voltage condition in the starter relay control circuit.

2. What are common symptoms of the P0617 code in a GMC?

Symptoms may include the engine not starting, intermittent starting issues, illuminated check engine light, or a no-crank condition.

3. What causes the P0617 code to appear on a GMC?

Common causes include a faulty starter relay, damaged wiring or connectors in the starter circuit, a defective ECM, or a weak battery.

4. Can a bad starter relay cause the P0617 code?

Yes, a malfunctioning starter relay can result in high voltage being detected in the control circuit, triggering the P0617 code.

5. How do you diagnose the P0617 code on a GMC?

Diagnosis involves checking the battery voltage, inspecting the starter relay and related wiring for damage, and testing the control circuit for proper voltage levels.

6. Can I drive my GMC with the P0617 code active?

Driving may be impossible if the engine fails to start. Even if it starts, it’s best to address the issue promptly to avoid further damage.

7. How can I fix the P0617 code on my GMC?

Repairs may include replacing a faulty starter relay, repairing damaged wiring or connectors, or reprogramming or replacing the ECM if necessary.

8. Is a weak battery a possible cause of the P0617 code?

Yes, a weak or failing battery can contribute to electrical irregularities, potentially causing the P0617 code.

9. How much does it cost to repair the P0617 code on a GMC?

Repair costs vary but may range from $50 for a starter relay replacement to several hundred dollars if ECM replacement or extensive wiring repairs are needed.

10. Can clearing the P0617 code without repairs solve the problem?

Clearing the code may temporarily turn off the check engine light, but the underlying issue must be fixed to prevent the code from returning.

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