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P0617 2015 Chevrolet Silverado Code - Starter Relay Control Circuit High Voltage

Quick Answer

The P0617 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado refers to the Starter Relay Control Circuit High Voltage. Common causes include Faulty starter relay, Short circuit in the wiring, 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 2015 Chevrolet Silverado indicates Starter Relay Control Circuit High Voltage.
Common causes
Common causes include Faulty starter relay, Short circuit in the wiring, 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code P0617 2015 Chevrolet Silverado Description

The P0617 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado refers to the Starter Relay Control Circuit High Voltage. This code indicates that the powertrain control module (PCM) has detected a higher than normal voltage in the circuit that controls the starter relay. The starter relay is responsible for sending power to the starter motor to crank the engine. When the PCM detects high voltage in this circuit, it can lead to issues with starting the vehicle, as well as potential damage to the electrical system.

OBDII Code P0617 2015 Chevrolet Silverado - Starter Relay Control Circuit High Voltage
P0617 2015 Chevrolet Silverado Code - Starter Relay Control Circuit High Voltage

Common Causes of P0617 2015 Chevrolet Silverado

  1. Faulty starter relay
  2. Short circuit in the wiring
  3. Malfunctioning PCM
  4. Problem with the ignition switch

Symptoms of P0617 2015 Chevrolet Silverado

  1. Difficulty starting the vehicle
  2. Engine cranks but does not start
  3. Rough idling or stalling
  4. Check Engine Light illuminated on the dashboard

How to Fix P0617 2015 Chevrolet Silverado

  1. Begin by inspecting the wiring harness and connectors for any visible damage or corrosion. Repair or replace any damaged components.
  2. Test the starter relay to ensure it is functioning properly. Replace the starter relay if necessary.
  3. Check the voltage in the starter relay control circuit using a multimeter to identify any abnormalities. Repair any high voltage issues in the circuit.
  4. If the issue persists, test the PCM for proper operation. Replace the PCM if it is found to be faulty.
  5. Clear the DTC from the PCM memory and test the vehicle to ensure the issue has been resolved.

Cost to Fix P0617 2015 Chevrolet Silverado

The cost of repairing the Starter Relay Control Circuit High Voltage issue can vary depending on the specific cause of the problem and the cost of parts and labor. On average, the repair for this issue can range from $150 to $400, including parts and labor. It is important to note that diagnostic time and labor rates at auto repair shops can vary, so it is recommended to obtain quotes from multiple shops to get an accurate estimate for the repair.

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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.

Frequently Asked Questions about P0617 2015 Chevrolet Silverado Code

1. What does the OBDII code P0617 mean on a 2015 Chevrolet Silverado?

P0617 indicates a "Starter Relay Control Circuit High Voltage," meaning the engine control module (ECM) has detected an issue with the voltage in the starter relay control circuit.

2. What are the symptoms of code P0617 on a 2015 Chevrolet Silverado?

Common symptoms include difficulty starting the engine, a no-start condition, or intermittent starting issues. The check engine light may also be illuminated.

3. What causes the P0617 code on a 2015 Chevrolet Silverado?

Possible causes include a faulty starter relay, damaged wiring or connectors in the starter relay circuit, a malfunctioning ECM, or an issue with the battery or charging system.

4. Can a weak battery cause the P0617 code on a 2015 Chevrolet Silverado?

Yes, a weak or failing battery can create voltage irregularities in the starter relay control circuit, potentially triggering the P0617 code.

5. How do I diagnose the P0617 code on a 2015 Chevrolet Silverado?

Start by inspecting the starter relay, wiring, and connectors for damage or corrosion. Use a multimeter to check voltage levels and continuity in the starter relay control circuit. If no issues are found, test the ECM and battery.

6. Can I drive my 2015 Chevrolet Silverado with the P0617 code?

Driving with this code is not recommended, as it could lead to complete starting failure. Address the issue promptly to avoid being stranded.

7. How do I fix the P0617 code on a 2015 Chevrolet Silverado?

Repairs may involve replacing a faulty starter relay, repairing damaged wiring or connectors, charging or replacing the battery, or in rare cases, replacing the ECM.

8. How much does it cost to repair the P0617 code on a 2015 Chevrolet Silverado?

The cost can vary depending on the exact cause, but replacing a starter relay typically costs $50–$150, while more extensive repairs like ECM replacement can exceed $500.

9. Can a bad ground connection cause the P0617 code on a 2015 Chevrolet Silverado?

Yes, a poor ground connection can disrupt voltage flow in the starter relay circuit, potentially triggering the P0617 code.

10. Do I need to reprogram the ECM after fixing the P0617 code on a 2015 Chevrolet Silverado?

Reprogramming is typically not required unless the ECM itself is replaced. However, resetting the code with an OBDII scanner may be necessary after completing repairs.

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