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Engine-Codes – Generic – B1658

B1658 Code - Seat Driver Rear Up Circuit Short To Ground

Quick Answer

The diagnostic code B1658 indicates that there is a short to ground in the seat driver rear up circuit of the vehicle. Common causes include Short circuit in the wiring harness, Faulty seat adjustment switch, Malfunctioning seat adjustment motor. 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
B1658 indicates Seat Driver Rear Up Circuit Short To Ground.
Common causes
Common causes include Short circuit in the wiring harness, Faulty seat adjustment switch, Malfunctioning seat adjustment motor.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code B1658 Description

The diagnostic code B1658 indicates that there is a short to ground in the seat driver rear up circuit of the vehicle. This means that there is an electrical issue causing the driver's rear seat to not be able to move upward as intended. This could be due to a variety of reasons, such as a faulty wiring harness, a damaged switch, a malfunctioning motor, or a problem with the control module.

OBDII Code B1658 - Seat Driver Rear Up Circuit Short To Ground
B1658 Code - Seat Driver Rear Up Circuit Short To Ground

Common Causes of B1658

  1. Short circuit in the wiring harness.
  2. Faulty seat adjustment switch.
  3. Malfunctioning seat adjustment motor.
  4. Issue with the control module.
  5. Corrosion or damage to electrical connectors.

Symptoms of B1658

  1. Inability to adjust the driver's rear seat upward.
  2. Strange noises coming from the seat when attempting to adjust it.
  3. Erratic movement of the seat when trying to adjust it.
  4. The seat getting stuck in a certain position.
  5. Dashboard warning light related to the seat adjustment system.

How to Fix B1658

  1. Begin by conducting a visual inspection of the wiring harness, connectors, and components related to the seat driver rear up circuit to identify any obvious signs of damage or corrosion.
  2. Use a multimeter to check for continuity and resistance in the circuit to pinpoint the location of the short to ground.
  3. Replace any damaged wiring harness, connectors, or components found during the inspection.
  4. Test the seat adjustment system to ensure that the issue has been resolved.
  5. Clear the diagnostic trouble codes from the vehicle's system to reset the warning light.

Cost to Fix B1658

The cost of repairing a seat driver rear up circuit short to ground can vary depending on the specific cause of the issue and the extent of the damage. On average, the parts for this repair can range from $50 to $200, while the labor costs can range from $100 to $300. This brings the total estimated cost to approximately $150 to $500. However, it is important to note that these are rough estimates and actual costs may differ based on the factors mentioned earlier. It is recommended to consult with a professional mechanic for a more accurate cost assessment.

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Code B1658 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 B1658 Code

1. What are the common symptoms of OBDII code B1658 (Seat Driver Rear Up Circuit Short To Ground)?

The common symptoms of this code include the driver's rear seat not moving up, unusual seat movement, and potential issues with other seat functions.

2. What are the possible causes of OBDII code B1658?

Possible causes of this code include damaged wiring or connectors in the driver's rear seat circuit, a faulty seat control module, or a malfunctioning seat motor.

3. How can I diagnose the cause of OBDII code B1658?

Diagnosing this code typically involves inspecting the wiring and connectors in the driver's rear seat circuit, testing the seat control module, and checking the seat motor for proper function.

4. Can OBDII code B1658 be cleared and reset, or does it require immediate repair?

While the code can be cleared temporarily, it is recommended to address the underlying issue promptly to prevent further damage and ensure proper operation of the driver's rear seat.

5. Is it safe to drive with OBDII code B1658 present?

It is generally safe to drive with this code, but it is advisable to address the issue as soon as possible to avoid potential inconvenience or discomfort due to a malfunctioning driver's rear seat.

6. Are there any DIY repair tips for fixing OBDII code B1658?

DIY repair tips may include checking for loose or damaged wiring, ensuring proper seat connections, and testing the seat motor for functionality before considering professional assistance.

7. How much does it typically cost to repair OBDII code B1658?

The cost of repairing this code can vary depending on the specific cause of the issue, parts needed for replacement, and labor charges from a mechanic or dealership.

8. Can OBDII code B1658 affect other electrical components in the vehicle?

While the primary impact of this code is on the driver's rear seat function, it is possible for electrical issues to cause secondary effects on nearby components or systems in the vehicle.

9. Will disconnecting the battery reset OBDII code B1658?

Disconnecting the battery may reset the code temporarily, but if the underlying issue is not addressed, the code is likely to reappear once the vehicle is driven and the system detects the fault again.

10. How long does it usually take to repair OBDII code B1658?

The repair time for this code can vary depending on the cause of the issue, availability of parts, and the expertise of the technician performing the repairs.

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