B1845 2015 GMC Sierra Code - Driver Seat Lumbar Down Switch Circuit
Quick Answer
The Seat Memory Control Module supplies a reference voltage to each signal circuit of the Driver Seat Adjuster Switch. Common causes include Faulty Driver Seat Adjuster Switch, Driver Seat Adjuster Switch harness is open or shorted, Driver Seat Adjuster Switch 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
- B1845 2015 GMC Sierra indicates Driver Seat Lumbar Down Switch Circuit.
- Common causes
- Common causes include Faulty Driver Seat Adjuster Switch, Driver Seat Adjuster Switch harness is open or shorted, Driver Seat Adjuster Switch 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 B1845 2015 GMC Sierra Description
What are the Possible Causes of the DTC B1845 2015 GMC Sierra?
- Faulty Driver Seat Adjuster Switch
- Driver Seat Adjuster Switch harness is open or shorted
- Driver Seat Adjuster Switch circuit poor electrical connection
- Faulty Seat Memory Control Module
How to Fix the DTC B1845 2015 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 B1845 2015 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.
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Frequently Asked Questions about B1845 2015 GMC Sierra Code
1. What are the common symptoms of OBDII code B1845 in a 2015 GMC Sierra related to the driver seat lumbar down switch circuit?
The common symptoms include the driver seat lumbar down switch not functioning properly, the seat lumbar support not adjusting, and the corresponding warning light illuminated on the dashboard.
2. What are the potential causes of OBDII code B1845 in a 2015 GMC Sierra?
Potential causes of this code include a faulty driver seat lumbar down switch, damaged wiring or connectors in the circuit, or a malfunctioning seat control module.
3. How can I diagnose the issue related to OBDII code B1845 in my 2015 GMC Sierra?
You can diagnose the problem by visually inspecting the wiring and connectors in the driver seat lumbar down switch circuit, testing the switch for proper functionality, and using a diagnostic scanner to retrieve trouble codes and data from the seat control module.
4. Is it safe to continue driving my 2015 GMC Sierra with OBDII code B1845 present?
While the vehicle may still be operational with this code, it is recommended to address the issue promptly to ensure the proper functioning of the driver seat lumbar down switch and to prevent any potential safety hazards.
5. Can I repair OBDII code B1845 in my 2015 GMC Sierra on my own?
Depending on your level of automotive knowledge and experience, you may be able to repair this code on your own by replacing the faulty driver seat lumbar down switch, repairing damaged wiring or connectors, or resetting the seat control module. Otherwise, seeking professional assistance is advised.
6. How much does it typically cost to repair OBDII code B1845 in a 2015 GMC Sierra at a repair shop?
The cost of repairing this code can vary depending on the specific cause of the issue and the labor rates of the repair shop. It is recommended to obtain multiple quotes from different shops to compare prices.
7. Are there any preventive maintenance tips to avoid OBDII code B1845 in my 2015 GMC Sierra in the future?
To prevent issues related to this code, you can periodically inspect the driver seat lumbar down switch and its wiring for any signs of wear or damage, avoid putting excessive pressure on the switch, and follow the manufacturer's recommended maintenance schedule for your vehicle.
8. Can OBDII code B1845 in a 2015 GMC Sierra be triggered by environmental factors?
While environmental factors are less likely to directly trigger this specific code, extreme temperatures or moisture can potentially contribute to electrical issues that may lead to the malfunction of the driver seat lumbar down switch circuit.
9. Will resetting the OBDII system clear the B1845 code in my 2015 GMC Sierra?
Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing OBDII code B1845 is not addressed, the code is likely to reappear once the problem is detected again by the vehicle's diagnostic system.
10. How long does it typically take to repair OBDII code B1845 related to the driver seat lumbar down switch circuit in a 2015 GMC Sierra?
The repair time can vary depending on the complexity of the issue and the availability of parts. In general, it may take a few hours to a day to diagnose and repair the problem associated with this code.
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