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Engine-Codes – Generic – B1626

B1626 Code - Lamp Keypad Output Short Circuit To Ground

Quick Answer

The B1626 diagnostic trouble code indicates that there is a short circuit to ground in the lamp keypad output. Common causes include Damaged or worn-out wiring harness, Faulty lamp keypad module, Water intrusion causing a short circuit. 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
B1626 indicates Lamp Keypad Output Short Circuit To Ground.
Common causes
Common causes include Damaged or worn-out wiring harness, Faulty lamp keypad module, Water intrusion causing a short circuit.
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 09, 2024
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Code B1626 Description

The B1626 diagnostic trouble code indicates that there is a short circuit to ground in the lamp keypad output. In vehicles, a lamp keypad is used to control various lights and functions within the vehicle, such as interior lighting, exterior lighting, and dashboard indicators. When a short circuit to ground occurs in the lamp keypad output, it means that there is unintended electrical connection between the wiring of the lamp keypad and the vehicle's ground, causing an abnormal flow of current.

OBDII Code B1626 - Lamp Keypad Output Short Circuit To Ground
B1626 Code - Lamp Keypad Output Short Circuit To Ground

Common Causes of B1626

  1. Damaged or worn-out wiring harness.
  2. Faulty lamp keypad module.
  3. Water intrusion causing a short circuit.
  4. Corrosion in the electrical system.
  5. Poor electrical connections.

Symptoms of B1626

  1. Interior lights not turning on.
  2. Dashboard indicators not functioning properly.
  3. Exterior lights flickering or not working.
  4. Fuse for lights repeatedly blowing.
  5. Electrical system malfunctions.

How to Fix B1626

  1. Diagnose the exact cause of the short circuit using a multimeter and wiring diagrams.
  2. Inspect the wiring harness for any damage or wear and replace if necessary.
  3. Test the lamp keypad module for proper functioning and replace if faulty.
  4. Check for water intrusion or corrosion in the electrical system and address the issue.
  5. Ensure all electrical connections are secure and free of corrosion.

Cost to Fix B1626

The typical repair costs for addressing a B1626 code can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the cost of parts for this repair could range from $50 to $200, while labor costs could range from $100 to $300. However, it is important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the mechanic's labor rates. It is advisable to consult with a professional mechanic to get a more accurate cost estimate for resolving this issue.

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Code B1626 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 B1626 Code

1. What are common symptoms of OBDII code B1626 (Lamp Keypad Output Short Circuit To Ground)?

- Common symptoms include malfunctioning keypad buttons, illuminated warning lights on the dashboard, and issues with controlling interior lights.

2. What are the possible causes of OBDII code B1626?

- The code B1626 can be caused by a short circuit in the wiring harness, a faulty keypad, or a problem with the control module.

3. How can I diagnose OBDII code B1626?

- Diagnosis typically involves using a scan tool to read the code, checking the wiring connections, inspecting the keypad for damage, and testing the control module.

4. How can I repair OBDII code B1626?

- Repairing this code may involve fixing the short circuit, replacing the faulty keypad, or reprogramming the control module.

5. Can I drive my vehicle with OBDII code B1626?

- It is not recommended to drive the vehicle with this code present, as it can potentially cause safety hazards or further damage to the vehicle's electrical system.

6. Are there any DIY tips for fixing OBDII code B1626?

- DIY tips may include checking and securing wiring connections, cleaning the keypad contacts, and inspecting for visible signs of damage.

7. How much does it cost to repair OBDII code B1626?

- The cost of repair can vary depending on the specific cause of the code, the parts needed, and the labor rates of the repair shop. It is best to obtain estimates from qualified technicians.

8. Can OBDII code B1626 be intermittent?

- Yes, this code can be intermittent if the short circuit issue comes and goes. It is important to address the problem promptly to prevent further issues.

9. Will resetting the OBDII code B1626 make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to return.

10. Is it safe to attempt to repair OBDII code B1626 without prior experience?

- It is recommended to have a basic understanding of automotive electrical systems before attempting to repair this code. If unsure, it is best to consult with a professional technician.

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