B1845 2017 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 2017 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 2017 GMC Sierra Description
What are the Possible Causes of the DTC B1845 2017 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 2017 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 2017 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 2017 GMC Sierra Code
1. What are the common symptoms of OBDII code B1845 in a 2017 GMC Sierra related to the Driver Seat Lumbar Down Switch Circuit?
The common symptoms include the inability to adjust the driver seat lumbar support down, malfunctioning lumbar adjustment controls, or the lumbar support getting stuck in one position.
2. What are some possible causes of OBDII code B1845 in a 2017 GMC Sierra?
Potential causes of this code may include a faulty driver seat lumbar down switch, damaged wiring in the lumbar adjustment circuit, or a problem with the lumbar motor itself.
3. How can I diagnose the issue associated with OBDII code B1845 in a 2017 GMC Sierra?
To diagnose the problem, you can start by inspecting the wiring connected to the driver seat lumbar down switch, testing the switch for continuity, and checking the lumbar motor for proper functionality.
4. Can I repair OBDII code B1845 in a 2017 GMC Sierra on my own?
Depending on your skill level and access to tools, you may be able to repair this code on your own by replacing the faulty lumbar down switch, repairing damaged wiring, or addressing issues with the lumbar motor.
5. Is it safe to continue driving my 2017 GMC Sierra with OBDII code B1845 related to the Driver Seat Lumbar Down Switch Circuit?
It is generally safe to drive the vehicle with this code, but it may be uncomfortable for the driver if the lumbar support is stuck in an uncomfortable position. It is advisable to address the issue promptly.
6. Are there any reset procedures I can try to clear OBDII code B1845 in my 2017 GMC Sierra?
You can attempt to clear the code by disconnecting the car battery for a few minutes, but it is recommended to diagnose and repair the underlying issue to prevent the code from reoccurring.
7. How much can I expect to pay to fix OBDII code B1845 in a 2017 GMC Sierra at a mechanic or dealership?
The cost of fixing this code can vary depending on the labor rates and the specific repairs needed. It is best to contact a mechanic or dealership for an accurate estimate.
8. Can extreme temperatures or humidity affect the occurrence of OBDII code B1845 in a 2017 GMC Sierra?
Extreme temperatures or humidity can potentially impact the electrical components involved in the lumbar adjustment circuit, leading to issues that trigger this OBDII code.
9. Will fixing OBDII code B1845 in a 2017 GMC Sierra require resetting or reprogramming any vehicle systems?
In most cases, simply fixing the underlying issue should clear the code without the need for resetting or reprogramming any vehicle systems.
10. Is OBDII code B1845 specific to the 2017 GMC Sierra, or can it occur in other vehicle models as well?
While this code is associated with the 2017 GMC Sierra's Driver Seat Lumbar Down Switch Circuit, similar issues with lumbar adjustment controls can potentially trigger similar codes in other vehicle models.
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