Engine-CodesGeneric – B1E29

B1E29 Code - 3rd Row Seat Normal/Stow Switch Circuit High

Quick Answer

The B1E29 diagnostic trouble code (DTC) refers to a fault in the 3rd Row Seat Normal/Stow Switch Circuit, indicating that there is a high voltage condition detected in the circuit. Common causes include Faulty 3rd-row seat switch, Wiring or connection issues in the switch circuit, Corrosion or damage to the electrical components related to the 3rd-row seat. 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
B1E29 indicates 3rd Row Seat Normal/Stow Switch Circuit High.
Common causes
Common causes include Faulty 3rd-row seat switch, Wiring or connection issues in the switch circuit, Corrosion or damage to the electrical components related to the 3rd-row seat.
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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B1E29 Description

The B1E29 diagnostic trouble code (DTC) refers to a fault in the 3rd Row Seat Normal/Stow Switch Circuit, indicating that there is a high voltage condition detected in the circuit. This code is typically found in vehicles equipped with power-operated 3rd-row seats that can be stowed away for additional cargo space. The switch circuit is responsible for controlling the operation of the 3rd-row seat, allowing it to be either in a normal seating position or stowed away.

OBDII Code B1E29 - 3rd Row Seat Normal/Stow Switch Circuit High
B1E29 Code - 3rd Row Seat Normal/Stow Switch Circuit High

Common Causes of B1E29

  1. Faulty 3rd-row seat switch.
  2. Wiring or connection issues in the switch circuit.
  3. Corrosion or damage to the electrical components related to the 3rd-row seat.
  4. Issues with the control module responsible for the 3rd-row seat operation.

Symptoms of B1E29

  1. Inability to stow or deploy the 3rd-row seat.
  2. Malfunctioning or unresponsive 3rd-row seat switch.
  3. Warning light illuminated on the dashboard related to the 3rd-row seat.
  4. Unusual noises or movements when operating the 3rd-row seat.

How to Fix B1E29

  1. Begin by conducting a thorough inspection of the 3rd-row seat switch and its wiring for any visible damage or corrosion.
  2. Use a multimeter to test the voltage levels in the switch circuit to identify the high voltage condition.
  3. Replace the 3rd-row seat switch if it is found to be faulty or malfunctioning.
  4. Repair or replace any damaged wiring or connections in the circuit.
  5. Clear the DTC from the vehicle's memory using a diagnostic scan tool to reset the system and ensure proper operation of the 3rd-row seat.

Cost to Fix B1E29

The typical repair costs for addressing the B1E29 DTC can vary depending on the specific vehicle make and model, as well as the extent of the issue. In general, replacing a faulty 3rd-row seat switch and repairing any damaged wiring or connections can range from $150 to $400, including parts and labor. It is recommended to consult with a professional mechanic or auto repair shop to obtain a more accurate cost estimate based on the individual circumstances of the vehicle. Keep in mind that diagnostic time and labor rates can vary, so it's advisable to inquire about these factors when seeking repairs for this issue.

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Code B1E29 Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1E29 Code

1. What are the common symptoms of OBDII code B1E29 (3rd Row Seat Normal/Stow Switch Circuit High)?

- The common symptoms include the 3rd-row seat not stowing or deploying properly, malfunctioning seat controls, and illuminated warning lights on the dashboard.

2. What causes the OBDII code B1E29 to trigger?

- The code B1E29 is typically triggered by a high voltage detected in the 3rd-row seat normal/stow switch circuit, indicating a fault in the switch or wiring.

3. How can I diagnose the source of the 3rd-row seat switch circuit high voltage issue?

- To diagnose the issue, you should inspect the wiring harness for any damage, test the switch for proper functionality, and use a multimeter to check voltage levels in the circuit.

4. Are there any DIY repair tips for resolving the B1E29 code related to the 3rd-row seat switch circuit high?

- DIY repair tips include checking and repairing any damaged wiring, replacing the faulty switch, and clearing the trouble code with an OBDII scanner after the repair.

5. Can a malfunctioning 3rd-row seat switch circuit high cause safety concerns?

- Yes, a malfunctioning switch circuit high can lead to safety concerns as it may result in the 3rd-row seat not stowing or deploying correctly, posing a risk of injury or accidents.

6. Is it necessary to address the B1E29 code immediately, or can it be ignored?

- It is recommended to address the B1E29 code promptly to ensure the proper functioning of the 3rd-row seat and to prevent any potential safety hazards associated with the malfunction.

7. How much does it typically cost to repair the 3rd-row seat switch circuit high issue causing the B1E29 code?

- The cost of repair can vary depending on the extent of the issue, but it may involve expenses for parts such as a new switch and labor charges if professional assistance is required.

8. Can resetting the OBDII code B1E29 clear the issue temporarily?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the high voltage in the switch circuit is not addressed, the problem is likely to recur.

9. Are there any preventive measures to avoid the recurrence of the B1E29 code in the future?

- Regularly inspecting the 3rd-row seat switch and wiring for damage, addressing any issues promptly, and following the manufacturer's maintenance recommendations can help prevent the code from reoccurring.

10. Is it safe to continue using the vehicle with the B1E29 code present?

- While it may be possible to drive the vehicle with the code present, it is not advisable due to safety concerns related to the malfunctioning 3rd-row seat switch circuit.

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