B1E45 Code - 3rd Row Seat Left Backrest Position Sensor Circuit High
Quick Answer
The Power Rear Folding Seat Module monitors the Left Backrest Position Sensor. Common causes include Faulty Left Backrest Position Sensor, Left Backrest Position Sensor harness is open or shorted, Left Backrest Position Sensor 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
- B1E45 indicates 3rd Row Seat Left Backrest Position Sensor Circuit High.
- Common causes
- Common causes include Faulty Left Backrest Position Sensor, Left Backrest Position Sensor harness is open or shorted, Left Backrest Position Sensor 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 B1E45 Description
What are the Possible Causes of the DTC B1E45?
- Faulty Left Backrest Position Sensor
- Left Backrest Position Sensor harness is open or shorted
- Left Backrest Position Sensor circuit poor electrical connection
- Faulty Left Power Rear Folding Seat Back Motor
- Faulty Power Rear Folding Seat Module
How to Fix the DTC B1E45?
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 B1E45 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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Information for Specific Makes
- B1E45 Chrysler — 3rd Row Seat Left Backrest Position Sensor Circuit High
- B1E45 Dodge — 3rd Row Seat Left Backrest Position Sensor Circuit High
- B1E45 Jeep — 3rd Row Seat Left Backrest Position Sensor Circuit High
- B1E45 RAM — 3rd Row Seat Left Backrest Position Sensor Circuit High
Frequently Asked Questions about B1E45 Code
1. What does OBDII code B1E45 mean?
Code B1E45 indicates a problem with the 3rd Row Seat Left Backrest Position Sensor Circuit reporting a high voltage issue.
2. What are the common symptoms of code B1E45?
Symptoms may include the 3rd-row seat backrest not adjusting properly, a warning light on the dashboard, or difficulty folding or reclining the seat.
3. What causes code B1E45?
Common causes include a faulty backrest position sensor, damaged wiring or connectors, or a malfunction in the seat control module.
4. Can I still drive with code B1E45 active?
Yes, you can still drive, but the 3rd-row seat may not function properly, which could affect passenger comfort or seat safety features.
5. How do you diagnose code B1E45?
A technician will use a scan tool to confirm the code, inspect the wiring and connectors for damage, and test the sensor and seat control module for functionality.
6. Is code B1E45 caused by a blown fuse?
While unlikely, a blown fuse in the seat control system could contribute to the issue. It’s worth checking as part of the diagnosis.
7. How can I fix code B1E45?
Repairs may involve replacing the backrest position sensor, repairing damaged wiring, or reprogramming or replacing the seat control module.
8. How much does it cost to repair code B1E45?
Repair costs vary depending on the issue but may range from $150 to $500, including parts and labor.
9. Can I reset code B1E45 without repairing the issue?
While you can clear the code with a scan tool, it will likely return if the underlying problem isn’t resolved.
10. What tools are needed to troubleshoot code B1E45?
You’ll need an OBDII scan tool, a multimeter to test voltage and continuity, and possibly wiring diagrams for the seat control system.
Discuss the causes and fixes for B1E45 OBDII Code
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