P037A 2017 GMC Sierra Code - Wait To Start Indicator Control Circuit Low Voltage
Quick Answer
The P037A diagnostic trouble code (DTC) for a 2017 GMC Sierra refers to the "Wait To Start Indicator Control Circuit Low Voltage." This code indicates that there is a problem with the circuit responsible for controlling the wait to start indicator in the vehicle. Common causes include Faulty wait to start indicator control circuit wiring, Malfunctioning wait to start indicator control module, Corrosion or poor connections 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
- P037A 2017 GMC Sierra indicates Wait To Start Indicator Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty wait to start indicator control circuit wiring, Malfunctioning wait to start indicator control module, Corrosion or poor connections 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P037A 2017 GMC Sierra Description
The P037A diagnostic trouble code (DTC) for a 2017 GMC Sierra refers to the "Wait To Start Indicator Control Circuit Low Voltage." This code indicates that there is a problem with the circuit responsible for controlling the wait to start indicator in the vehicle. The wait to start indicator is a crucial component in diesel engines, as it informs the driver when the engine is ready to be started after the glow plugs have been activated to preheat the combustion chambers.
Common Causes of P037A 2017 GMC Sierra
- Faulty wait to start indicator control circuit wiring.
- Malfunctioning wait to start indicator control module.
- Corrosion or poor connections in the circuit.
- Issues with the vehicle's battery or charging system.
- Electrical system problems or a faulty engine control module (ECM).
Symptoms of P037A 2017 GMC Sierra
- Difficulty starting the engine, especially in cold weather.
- Delayed or no illumination of the wait to start indicator.
- Poor engine performance or rough idling.
- Decreased fuel efficiency.
- Illumination of the check engine light.
How to Fix P037A 2017 GMC Sierra
- Begin by conducting a thorough inspection of the wait to start indicator control circuit, checking for any damaged or loose wiring.
- Test the wait to start indicator control module to determine if it is functioning correctly. Replace if necessary.
- Clean any corroded connections and ensure proper contact in the circuit.
- Check the vehicle's battery and charging system to ensure they are providing sufficient voltage to the circuit.
- If the issue persists, further diagnostics may be required to identify any underlying electrical system problems or a faulty ECM.
Cost to Fix P037A 2017 GMC Sierra
The typical repair costs for addressing a P037A DTC 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 may range from $100 to $300. However, it is important to note that these are rough estimates, and actual costs can vary based on factors such as location, vehicle make and model, and the rates of the auto repair shop. It is recommended to consult with a professional mechanic to get a more accurate cost estimate for this repair.
Need more information about the P037A 2017 GMC Sierra code?
Need more information on how to fix the P037A 2017 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P037A 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P037A 2017 GMC Sierra Code
What does the OBDII code P037A mean for a 2017 GMC Sierra?
P037A indicates a low voltage issue in the Wait To Start Indicator Control Circuit, which is related to the diesel engine's glow plug system.
What are the symptoms of code P037A in a 2017 GMC Sierra?
Symptoms may include the Wait To Start light not illuminating, difficulty starting the engine, or extended cranking times in cold weather.
What causes the P037A code in a 2017 GMC Sierra?
Common causes include faulty wiring or connectors, a failed Wait To Start indicator bulb, or issues with the glow plug control module.
How is the P037A code diagnosed?
A mechanic will inspect the circuit for damaged wiring, test the Wait To Start bulb, and use a multimeter to check for proper voltage in the circuit.
Can I drive my 2017 GMC Sierra with the P037A code?
You can drive the vehicle, but it may struggle to start in colder conditions due to issues with the glow plug system.
How do I fix the P037A code on a 2017 GMC Sierra?
Repairs may involve replacing damaged wiring, fixing poor connections, or replacing the Wait To Start indicator bulb or glow plug control module.
How much does it cost to repair the P037A code on a 2017 GMC Sierra?
Repair costs vary, but fixing wiring or replacing a bulb may cost $50-$150, while replacing the glow plug control module can range from $200-$600.
Can a weak battery cause the P037A code?
Yes, a weak battery can contribute to the code by providing insufficient voltage to the Wait To Start Indicator Control Circuit.
Is the P037A code specific to diesel engines?
Yes, this code is specific to diesel engines with a Wait To Start indicator, as it relates to the glow plug system.
What happens if I ignore the P037A code on my 2017 GMC Sierra?
Ignoring the code can lead to difficulties starting the engine, especially in cold weather, and may cause further issues in the glow plug system.
Discuss the causes and fixes for P037A 2017 GMC Sierra OBDII Code
Code P037A 2017 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.