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Engine-Codes – RAM – B1636 RAM

B1636 RAM Code - Right High Beam Control Circuit Short

Quick Answer

The B1636 diagnostic trouble code (DTC) refers to a Right High Beam Control Circuit Short. Common causes include Faulty high beam headlight bulb, Wiring issues in the right high beam control circuit, Corrosion or damage to connectors in the 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
B1636 RAM indicates Right High Beam Control Circuit Short.
Common causes
Common causes include Faulty high beam headlight bulb, Wiring issues in the right high beam control circuit, Corrosion or damage to connectors in the 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 13, 2024
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Code B1636 RAM Description

The B1636 diagnostic trouble code (DTC) refers to a Right High Beam Control Circuit Short. This code indicates that there is a short circuit in the control circuit of the right high beam headlight in the vehicle. The high beam control circuit is responsible for providing power to the high beam headlight when the high beams are activated. A short circuit in this circuit can disrupt the flow of electricity to the high beam headlight, resulting in issues with the high beam functionality.

OBDII Code B1636 RAM - Right High Beam Control Circuit Short
B1636 RAM Code - Right High Beam Control Circuit Short

Common Causes of B1636 RAM

  1. Faulty high beam headlight bulb.
  2. Wiring issues in the right high beam control circuit.
  3. Corrosion or damage to connectors in the circuit.
  4. Faulty headlight control switch.
  5. Issues with the body control module.

Symptoms of B1636 RAM

  1. Right high beam headlight not turning on.
  2. Right high beam headlight flickering.
  3. Right high beam headlight staying on constantly.
  4. Dashboard warning light indicating a headlight issue.

How to Fix B1636 RAM

  1. Begin by visually inspecting the right high beam headlight bulb for any signs of damage or malfunction. Replace the bulb if necessary.
  2. Check the wiring in the right high beam control circuit for any visible damage, corrosion, or loose connections. Repair or replace any damaged wiring.
  3. Inspect the connectors in the circuit for corrosion or damage. Clean or replace the connectors as needed.
  4. Test the headlight control switch to ensure it is functioning correctly. Replace the switch if it is faulty.
  5. If the issue persists, further diagnostics may be needed to check the body control module for any faults related to the high beam control circuit.

Cost to Fix B1636 RAM

The cost of repairing a B1636 DTC can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair costs for this issue can range from $100 to $300, including parts and labor. Keep in mind that the actual cost may be higher or lower based on the extent of the damage and the specific components that need to be replaced. It is recommended to consult with a qualified mechanic or auto repair shop to get an accurate estimate for your vehicle.

What does this mean?

Tech Notes for B1636 RAM

B1636-11 RIGHT HIGH BEAM CONTROL CIRCUIT SHORT TO GROUND BASE

B1636-11 RIGHT HIGH BEAM CONTROL CIRCUIT SHORT TO GROUND PREMIUM

B1636-15 RIGHT HIGH BEAM CONTROL CIRCUIT SHORT TO BATTERY OR OPEN BASE

B1636-15 RIGHT HIGH BEAM CONTROL CIRCUIT SHORT TO BATTERY OR OPEN PREMIUM

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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 B1636 RAM Code

1. What are the common symptoms of OBDII code B1636 RAM?

The common symptoms of OBDII code B1636 RAM, titled Right High Beam Control Circuit Short, include the right high beam not functioning properly or not turning on at all.

2. What are the possible causes of OBDII code B1636 RAM?

Possible causes of OBDII code B1636 RAM include a short circuit in the right high beam control circuit, a faulty high beam control module, or wiring issues.

3. How can I diagnose the OBDII code B1636 RAM?

Diagnosing OBDII code B1636 RAM involves inspecting the right high beam control circuit for any visible damage, testing the high beam control module for proper functionality, and checking the wiring for continuity.

4. Can a DIYer repair OBDII code B1636 RAM?

Repairing OBDII code B1636 RAM may require advanced knowledge and tools. If you are experienced with automotive electrical systems, you may attempt to repair it yourself. Otherwise, seeking professional help is recommended.

5. Is it safe to continue driving with OBDII code B1636 RAM?

It is not recommended to continue driving with OBDII code B1636 RAM, as it can affect your visibility on the road at night and compromise safety. It is best to address the issue promptly.

6. How much does it cost to repair OBDII code B1636 RAM?

The cost of repairing OBDII code B1636 RAM can vary depending on the underlying cause, parts needed, and labor charges. It is advisable to obtain quotes from reputable auto repair shops.

7. Can weather conditions trigger OBDII code B1636 RAM?

Extreme weather conditions, such as heavy rain or snow, can potentially cause electrical issues that may trigger OBDII code B1636 RAM. Ensure proper insulation and protection for your vehicle's electrical components.

8. Will disconnecting the battery reset OBDII code B1636 RAM?

Disconnecting the battery may reset the OBDII code temporarily, but if the underlying issue causing the code is not addressed, the code is likely to reappear. It is best to diagnose and repair the problem.

9. How long does it take to repair OBDII code B1636 RAM?

The time to repair OBDII code B1636 RAM can vary depending on the complexity of the issue and availability of parts. It is best to consult with a professional technician for a more accurate estimate.

10. Can OBDII code B1636 RAM affect other vehicle systems?

While OBDII code B1636 RAM specifically relates to the right high beam control circuit, electrical issues in one part of the vehicle can sometimes affect other systems. It's essential to address the code promptly to prevent further complications.

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