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B16AB Chrysler Code - Trunk Lamp Control Circuit Short

Quick Answer

The B16AB Chrysler code indicates a problem with the trunk lamp control circuit, specifically a short circuit. Common causes include Damaged wiring in the trunk lamp control circuit, Faulty trunk lamp control module, Malfunctioning trunk lamp switch. 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
B16AB Chrysler indicates Trunk Lamp Control Circuit Short.
Common causes
Common causes include Damaged wiring in the trunk lamp control circuit, Faulty trunk lamp control module, Malfunctioning trunk lamp switch.
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 B16AB Chrysler Description

The B16AB Chrysler code indicates a problem with the trunk lamp control circuit, specifically a short circuit. The trunk lamp control circuit is responsible for turning the trunk lamp on and off when the trunk is opened or closed. A short circuit in this circuit can prevent the trunk lamp from functioning properly, which can be inconvenient and potentially hazardous, especially in dark conditions.

OBDII Code B16AB Chrysler - Trunk Lamp Control Circuit Short
B16AB Chrysler Code - Trunk Lamp Control Circuit Short

Common Causes of B16AB Chrysler

  1. Damaged wiring in the trunk lamp control circuit
  2. Faulty trunk lamp control module
  3. Malfunctioning trunk lamp switch
  4. Problem with the body control module
  5. Short circuit caused by water damage or corrosion

Symptoms of B16AB Chrysler

  1. Trunk lamp not turning on when the trunk is opened
  2. Trunk lamp flickering or flashing intermittently
  3. Fuse for the trunk lamp blowing repeatedly
  4. Dashboard warning light indicating an issue with the trunk lamp control circuit

How to Fix B16AB Chrysler

  1. Begin by disconnecting the battery to avoid any electrical hazards.
  2. Inspect the wiring in the trunk lamp control circuit for any signs of damage or corrosion.
  3. Test the trunk lamp control module to determine if it is functioning properly.
  4. Check the trunk lamp switch for proper operation.
  5. Verify the functionality of the body control module and address any issues if necessary.

Cost to Fix B16AB Chrysler

The typical repair costs for addressing a trunk lamp control circuit short can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor in your area. It's important to note that diagnosis time and labor rates can vary, so it's advisable to consult with local auto repair shops for a more accurate estimate.

What does this mean?

Tech Notes for B16AB Chrysler

B16AB-11-TRUNK LAMP CONTROL CIRCUIT SHORT TO GROUND

B16AB-15-TRUNK LAMP CONTROL CIRCUIT SHORT TO BATTERY OR OPEN

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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 B16AB Chrysler Code

1. What does the OBDII code B16AB mean on a Chrysler?

B16AB indicates a short circuit in the trunk lamp control circuit, which prevents the trunk light from functioning properly.

2. What are the symptoms of the B16AB code?

Common symptoms include the trunk lamp not illuminating, intermittent lighting, or a blown fuse related to the trunk lamp circuit.

3. What causes the B16AB code to appear?

This code is typically caused by damaged wiring, a short to ground, a faulty trunk lamp bulb, or a defective trunk lamp control module.

4. Can a blown fuse trigger the B16AB code?

Yes, a blown fuse in the trunk lamp circuit can cause this code if the fuse fails due to a short circuit.

5. How do I diagnose the B16AB code?

Start by visually inspecting the trunk lamp wiring for damage, check the bulb for faults, and test the circuit for continuity to identify any shorts.

6. Can I drive with the B16AB code active?

Yes, the vehicle is safe to drive, but you may lose trunk lighting functionality until the issue is resolved.

7. How do I fix the B16AB code?

Repairs may include replacing damaged wiring, installing a new trunk lamp bulb, or repairing the short circuit in the control module or harness.

8. What tools are needed to troubleshoot the B16AB code?

You will need a multimeter to test for shorts, a circuit diagram for your Chrysler model, and basic hand tools for repairs.

9. How much does it cost to repair a B16AB code?

The cost depends on the issue but typically ranges from $50 to $200, depending on whether you need to replace wiring, the bulb, or a module.

10. Can a faulty trunk latch cause the B16AB code?

While uncommon, a faulty trunk latch sensor could indirectly affect the trunk lamp circuit if it interferes with the control signals.

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