B1985 Code - Seat Switch Lumbar Deflate Circuit Failure
Quick Answer
The B1985 diagnostic trouble code indicates a Seat Switch Lumbar Deflate Circuit Failure. Common causes include Faulty lumbar support switch, Wiring issues in the lumbar support circuit, Malfunctioning control module for the lumbar support system. 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
- B1985 indicates Seat Switch Lumbar Deflate Circuit Failure.
- Common causes
- Common causes include Faulty lumbar support switch, Wiring issues in the lumbar support circuit, Malfunctioning control module for the lumbar support system.
- 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 B1985 Description
The B1985 diagnostic trouble code indicates a Seat Switch Lumbar Deflate Circuit Failure. This code is typically associated with issues in the lumbar support system of the vehicle's seat. The lumbar support system is designed to provide additional lower back support and can be adjusted to suit the driver's comfort preferences. When this circuit fails, it can result in the lumbar support being unable to deflate properly, causing discomfort for the driver or passengers.
Common Causes of B1985
- Faulty lumbar support switch.
- Wiring issues in the lumbar support circuit.
- Malfunctioning control module for the lumbar support system.
- Mechanical issues with the lumbar support mechanism itself.
Symptoms of B1985
- Inability to deflate the lumbar support in the seat.
- Uncomfortable driving position due to lack of lumbar support adjustment.
- Strange noises coming from the seat when trying to adjust the lumbar support.
- Lumbar support deflating on its own without input from the driver.
How to Fix B1985
- Begin by diagnosing the specific cause of the circuit failure using a diagnostic scanner to read the trouble codes.
- Inspect the lumbar support switch and wiring for any visible damage or loose connections.
- Test the control module to ensure it is functioning correctly and communicating with the lumbar support system.
- If necessary, replace the faulty switch, repair any damaged wiring, or replace the control module to resolve the issue.
- Test the system after repairs are completed to ensure the lumbar support can deflate properly.
Cost to Fix B1985
The typical repair costs for a Seat Switch Lumbar Deflate Circuit Failure can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay anywhere from $150 to $400 for parts and labor to address this problem. Keep in mind that diagnostic time and labor rates at auto repair shops can fluctuate based on various factors, so it's advisable to contact local shops for a more accurate estimate.
Need more information about the B1985 code?
Need more information on how to fix the B1985 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1985 code diagnosed by a professional: Find a repair shop in your area
Code B1985 Information for Specific Makes
- B1985 Chrysler — Power Liftgate Latch Control 2 Circuit High
- B1985 Dodge — Power Liftgate Latch Control 2 Circuit High
- B1985 Jeep — Power Liftgate Latch Control 2 Circuit High
- B1985 RAM — Power Liftgate Latch Control 2 Circuit High
Frequently Asked Questions about B1985 Code
1. What are common symptoms of OBDII code B1985 Seat Switch Lumbar Deflate Circuit Failure?
The common symptoms include the inability to adjust the lumbar support in the seat, a lumbar support that is stuck in one position, or a warning light on the dashboard.
2. What are the possible causes of OBDII code B1985 Seat Switch Lumbar Deflate Circuit Failure?
Possible causes include damaged wiring or connectors in the seat switch lumbar deflate circuit, a faulty seat switch, or a malfunctioning lumbar support motor.
3. How can I diagnose OBDII code B1985 Seat Switch Lumbar Deflate Circuit Failure?
You can diagnose this code by inspecting the wiring and connectors in the seat switch lumbar deflate circuit, testing the seat switch and lumbar support motor for proper function, and using a scan tool to read and clear the code.
4. What are some tips for repairing OBDII code B1985 Seat Switch Lumbar Deflate Circuit Failure?
Start by checking the wiring and connectors for any damage or corrosion, replace any faulty components such as the seat switch or lumbar support motor, and clear the code using a scan tool after making the repairs.
5. Can I drive my vehicle with OBDII code B1985 Seat Switch Lumbar Deflate Circuit Failure?
It is generally safe to drive your vehicle with this code, but it is recommended to address the issue promptly to ensure the proper functioning of the lumbar support system.
6. How do I reset OBDII code B1985 Seat Switch Lumbar Deflate Circuit Failure?
You can reset the code by using a scan tool to clear the stored fault code in the vehicle's onboard computer after repairing the underlying issue.
7. Is OBDII code B1985 Seat Switch Lumbar Deflate Circuit Failure a common problem in vehicles?
This code is not as common as some other OBDII codes, but it can occur in vehicles with power-operated seats equipped with lumbar support features.
8. Can a DIY enthusiast repair OBDII code B1985 Seat Switch Lumbar Deflate Circuit Failure?
Depending on your skill level and access to tools, a DIY enthusiast may be able to repair this code by following diagnostic procedures and replacing any faulty components in the seat switch lumbar deflate circuit.
9. Are there any recalls related to OBDII code B1985 Seat Switch Lumbar Deflate Circuit Failure?
Recalls specific to this OBDII code may vary by vehicle make and model, so it is recommended to check with the manufacturer or a dealership to inquire about any related recalls.
10. How much does it cost to repair OBDII code B1985 Seat Switch Lumbar Deflate Circuit Failure at a mechanic?
The cost of repairing this code at a mechanic can vary depending on the specific cause of the issue, but it may involve diagnostic fees, labor costs, and the price of any replacement parts needed.
Discuss the causes and fixes for B1985 OBDII Code
Code B1985 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.