Engine-CodesGMC – P1245 GMC

P1245 GMC Code - Intake Plenum Switchover Valve

Quick Answer

The P1245 diagnostic trouble code for GMC vehicles refers to an issue with the Intake Plenum Switchover Valve. Common causes include A faulty Intake Plenum Switchover Valve, Wiring or electrical issues related to the valve, Vacuum leaks in the intake system. 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
P1245 GMC indicates Intake Plenum Switchover Valve.
Common causes
Common causes include A faulty Intake Plenum Switchover Valve, Wiring or electrical issues related to the valve, Vacuum leaks in the intake system.
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 P1245 GMC Description

The P1245 diagnostic trouble code for GMC vehicles refers to an issue with the Intake Plenum Switchover Valve. This valve is a crucial component of the vehicle's intake system, responsible for controlling the flow of air into the engine. When this valve malfunctions or fails, it can lead to a variety of performance issues and potentially cause long-term damage to the engine if not addressed promptly.

OBDII Code P1245 GMC - Intake Plenum Switchover Valve
P1245 GMC Code - Intake Plenum Switchover Valve

Common Causes of P1245 GMC

  1. A faulty Intake Plenum Switchover Valve
  2. Wiring or electrical issues related to the valve
  3. Vacuum leaks in the intake system
  4. Clogged or dirty air filter
  5. Carbon buildup in the intake manifold

Symptoms of P1245 GMC

  1. Check engine light is illuminated on the dashboard
  2. Reduced engine performance and power
  3. Engine stalling or rough idling
  4. Decreased fuel efficiency
  5. Hesitation or surging during acceleration

How to Fix P1245 GMC

  1. Diagnose the issue by using a scan tool to retrieve the specific trouble code and identify the faulty component.
  2. Inspect the Intake Plenum Switchover Valve for any signs of damage or malfunction.
  3. Test the electrical connections and wiring related to the valve to ensure proper voltage and continuity.
  4. Clean or replace the valve if it is found to be faulty.
  5. Clear the trouble code from the vehicle's computer system and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1245 GMC

The typical repair costs for addressing a P1245 code related to the Intake Plenum Switchover Valve can vary depending on the specific vehicle make and model, as well as the extent of the issue. In general, the parts for this repair may cost anywhere from $100 to $300, while the labor costs can range from $150 to $400. Overall, the total repair bill for this issue could be in the range of $250 to $700. It's important to note that these are rough estimates, and actual costs may vary based on factors such as location, shop rates, and the availability of parts. It's recommended 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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