Engine-CodesGMC – P037A 2014 GMC Sierra

P037A 2014 GMC Sierra Code - Wait To Start Indicator Control Circuit Low Voltage

Quick Answer

The diagnostic trouble code P037A for a 2014 GMC Sierra specifically refers to the Wait to Start Indicator Control Circuit Low Voltage. Common causes include Faulty wait to start indicator control circuit, Damaged indicator control module, Wiring issues or loose connections. 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 2014 GMC Sierra indicates Wait To Start Indicator Control Circuit Low Voltage.
Common causes
Common causes include Faulty wait to start indicator control circuit, Damaged indicator control module, Wiring issues or loose connections.
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 Aug 19, 2024
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Code P037A 2014 GMC Sierra Description

The diagnostic trouble code P037A for a 2014 GMC Sierra specifically 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 that informs the driver when it is safe to start the engine, especially in cold weather conditions. When this circuit is experiencing low voltage, it can lead to issues with starting the engine, as the indicator may not function properly.

OBDII Code P037A 2014 GMC Sierra - Wait To Start Indicator Control Circuit Low Voltage
P037A 2014 GMC Sierra Code - Wait To Start Indicator Control Circuit Low Voltage

Common Causes of P037A 2014 GMC Sierra

  1. Faulty wait to start indicator control circuit.
  2. Damaged indicator control module.
  3. Wiring issues or loose connections.
  4. Faulty wait to start indicator.
  5. Electrical system issues.

Symptoms of P037A 2014 GMC Sierra

  1. Difficulty starting the engine, especially in cold weather.
  2. The wait to start indicator not illuminating when it should.
  3. Check engine light illuminated on the dashboard.
  4. Poor engine performance or rough idling.

How to Fix P037A 2014 GMC Sierra

  1. Begin by conducting a visual inspection of the indicator and wiring connections to check for any visible damage or loose connections.
  2. Use a multimeter to test the voltage output of the indicator control circuit to determine if it is operating within the specified range.
  3. If the voltage is low, replace the indicator control module and retest the circuit.
  4. Check for any damaged wiring and repair or replace as necessary.
  5. Clear the trouble code from the vehicle's computer and test the wait to start indicator to ensure it is functioning properly.

Cost to Fix P037A 2014 GMC Sierra

The cost estimate for repairing the Wait to Start Indicator Control Circuit Low Voltage issue can vary depending on the specific cause of the problem. In general, the cost of parts such as a new indicator control module or wiring repairs can range from $100 to $300. Labor costs at auto repair shops typically range from $80 to $150 per hour, and the total repair cost can be estimated to be between $200 and $500. It is recommended to check with local auto repair shops for more accurate pricing based on your location and vehicle model.

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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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