P2537 2018 GMC Sierra Code - Ignition Accessory Switch Circuit Low Voltage
Quick Answer
The control module continuously monitors the voltage on the Ignition Accessory/Run circuit from the Body Control Module (BCM). Common causes include Faulty Body Control Module (BCM), Body Control Module harness is open or shorted, Body Control Module circuit poor electrical connection. 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
- P2537 2018 GMC Sierra indicates Ignition Accessory Switch Circuit Low Voltage.
- Common causes
- Common causes include Faulty Body Control Module (BCM), Body Control Module harness is open or shorted, Body Control Module circuit poor electrical connection.
- 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.
Code P2537 2018 GMC Sierra Description
What are the Possible Causes of the DTC P2537 2018 GMC Sierra?
- Faulty Body Control Module (BCM)
- Body Control Module harness is open or shorted
- Body Control Module circuit poor electrical connection
How to Fix the DTC P2537 2018 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2537 2018 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P2537 2018 GMC Sierra code?
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Frequently Asked Questions about P2537 2018 GMC Sierra Code
1. What are the common symptoms of OBDII code P2537 in a 2018 GMC Sierra?
- Common symptoms include issues with starting the vehicle, power accessories not functioning properly, and the check engine light being illuminated.
2. What are the possible causes of the Ignition Accessory Switch Circuit Low Voltage (P2537) code in a 2018 GMC Sierra?
- Possible causes may include a faulty ignition switch, damaged wiring in the ignition system, poor electrical connections, or a malfunctioning accessory relay.
3. How can I diagnose the source of the P2537 code in my 2018 GMC Sierra?
- To diagnose the issue, it is recommended to perform a thorough inspection of the ignition system, test the voltage at various points, check for wiring damage, and use a diagnostic scanner to retrieve specific trouble codes.
4. Can I still drive my 2018 GMC Sierra with the P2537 code present?
- It is generally not recommended to drive the vehicle with the P2537 code as it can lead to more severe electrical problems and potential safety hazards.
5. How can I repair the Ignition Accessory Switch Circuit Low Voltage issue in my 2018 GMC Sierra?
- The repair process may involve replacing the ignition switch, repairing damaged wiring, cleaning electrical connections, or replacing faulty relays as needed.
6. Is it safe to attempt repairing the P2537 code in my 2018 GMC Sierra by myself?
- While some simple checks like inspecting wiring connections can be done by DIY enthusiasts, it is recommended to consult a professional mechanic for a proper diagnosis and repair of the issue.
7. Will resetting the check engine light resolve the P2537 code in my 2018 GMC Sierra?
- Resetting the check engine light may temporarily turn it off, but it will not fix the underlying issue causing the P2537 code to reappear.
8. How much does it typically cost to repair the P2537 code in a 2018 GMC Sierra at a dealership or mechanic?
- The repair costs for the P2537 code can vary depending on the specific cause of the issue, but it may range from a few hundred dollars to over a thousand dollars for parts and labor.
9. Can a low battery voltage trigger the P2537 code in a 2018 GMC Sierra?
- Yes, low battery voltage can sometimes trigger the P2537 code as it affects the proper functioning of the ignition system and other electrical components.
10. Is the Ignition Accessory Switch Circuit Low Voltage code a common issue in 2018 GMC Sierra vehicles?
- While not extremely common, the P2537 code can occur in 2018 GMC Sierra models due to various electrical and ignition system issues.
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