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Engine-Codes – Dodge – B17B9 Dodge

B17B9 Dodge Code - Right Stop Lamp Control Circuit Overcurrent

Quick Answer

The B17B9 Dodge code indicates a problem with the right stop lamp control circuit overcurrent. Common causes include Short circuit in the right stop lamp circuit, Faulty brake light switch, Damaged wiring harness. 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
B17B9 Dodge indicates Right Stop Lamp Control Circuit Overcurrent.
Common causes
Common causes include Short circuit in the right stop lamp circuit, Faulty brake light switch, Damaged wiring harness.
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 12, 2024
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Code B17B9 Dodge Description

The B17B9 Dodge code indicates a problem with the right stop lamp control circuit overcurrent. This means that there is an excessive amount of electrical current flowing through the circuit that controls the right stop lamp in the vehicle. The stop lamp is an essential safety feature that signals to other drivers when the vehicle is braking, so it is crucial that this issue is addressed promptly.

OBDII Code B17B9 Dodge - Right Stop Lamp Control Circuit Overcurrent
B17B9 Dodge Code - Right Stop Lamp Control Circuit Overcurrent

Common Causes of B17B9 Dodge

  1. Short circuit in the right stop lamp circuit
  2. Faulty brake light switch
  3. Damaged wiring harness
  4. Malfunctioning control module
  5. Corrosion or poor connections in the electrical system

Symptoms of B17B9 Dodge

  1. Right stop lamp not illuminating when braking
  2. Dashboard warning light indicating a fault in the stop lamp system
  3. Flickering or dim right stop lamp
  4. Erratic behavior of the right stop lamp, such as staying on constantly

How to Fix B17B9 Dodge

  1. Begin by inspecting the right stop lamp circuit for any visible damage or corrosion.
  2. Test the brake light switch to ensure it is functioning properly.
  3. Check the wiring harness for any signs of damage or wear, and repair or replace as needed.
  4. If the issue persists, diagnose the control module for any faults and replace if necessary.
  5. Clear the diagnostic trouble codes and test the right stop lamp to ensure it is working correctly.

Cost to Fix B17B9 Dodge

The cost of repairing the right stop lamp control circuit overcurrent issue can vary depending on the specific cause of the problem and the labor rates at the auto repair shop. On average, the repair costs for this issue can range from $100 to $300, including parts and labor. It's important to note that additional diagnostic time may be required to pinpoint the exact cause of the problem, which can increase the overall repair cost. It is advisable to consult with a professional mechanic for an accurate estimate based on the vehicle make and model.

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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 B17B9 Dodge Code

1. What does the OBDII code B17B9 mean on a Dodge vehicle?

B17B9 indicates an issue in the right stop lamp control circuit, specifically an overcurrent condition caused by a short or excessive electrical load.

2. What are the common symptoms of the B17B9 code?

Typical symptoms include the right stop lamp not working, other brake lights potentially flickering, or a blown fuse related to the brake light circuit.

3. What causes the B17B9 code to appear?

The code is usually triggered by a short circuit, a damaged or faulty right stop lamp bulb, corroded wiring, or a malfunctioning brake light control module.

4. Can I still drive my Dodge with the B17B9 code active?

While the vehicle may still be drivable, it is unsafe due to non-functioning brake lights, which can increase the risk of rear-end collisions.

5. How do I diagnose the B17B9 code?

Start by inspecting the right stop lamp bulb and socket for damage, check for blown fuses, and examine the wiring for shorts, corrosion, or loose connections.

6. How can I fix the B17B9 code on my Dodge?

Repairs may include replacing a faulty stop lamp bulb, repairing damaged wiring, cleaning corroded connections, or replacing the brake light control module if defective.

7. Could a blown fuse cause the B17B9 code?

Yes, a blown fuse in the stop lamp circuit can cause the code, as it interrupts the electrical flow and may be a result of an overcurrent condition.

8. How much does it cost to repair a B17B9 code issue?

The cost depends on the cause. Replacing a bulb or fuse may cost less than $20, while fixing wiring issues or replacing the control module could range from $100 to $300 or more.

9. Can a faulty stop lamp bulb trigger the B17B9 code?

Yes, a burnt-out or improperly installed bulb can cause an overcurrent condition, leading to the code being set.

10. Do I need special tools to fix the B17B9 code?

Basic tools like a multimeter to check for shorts and a screwdriver to replace bulbs may suffice, but advanced diagnostics might require a scan tool to clear the code after repairs.

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