AutoCodes – Dodge – B16B2 Dodge

B16B2 Dodge Code - Left Stop Lamp Control Circuit Open

Quick Answer

The Body Control Module (BCM) receives a hardwired brake signal from the Anti-lock Brake System (ABS) module indicating that the Brake Pedal is applied. Common causes include Faulty Left Stop Lamp, Left Stop Lamp harness is open or shorted, Left Stop Lamp circuit poor electrical connection. 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
B16B2 Dodge indicates Left Stop Lamp Control Circuit Open.
Common causes
Common causes include Faulty Left Stop Lamp, Left Stop Lamp harness is open or shorted, Left Stop Lamp circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,707
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 19, 2019
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Code B16B2 Dodge Description

The Body Control Module (BCM) receives a hardwired brake signal from the Anti-lock Brake System (ABS) module indicating that the Brake Pedal is applied. When this signal is received, the BCM provides a voltage output through the rear stop signal control circuit. For additional information on the Brake Lamp operation. When the Body Control Module (BCM) detects a low or high condition on the Left Stop Lamp Driver circuit and sets the Diagnostic Trouble Code (DTC).
OBDII Code B16B2 Dodge - Left Stop Lamp Control Circuit Open - AutoCodes.com
B16B2 Dodge Code - Left Stop Lamp Control Circuit Open

What are the Possible Causes of the DTC B16B2 Dodge?

  • Faulty Left Stop Lamp
  • Left Stop Lamp harness is open or shorted
  • Left Stop Lamp circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the DTC B16B2 Dodge?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B16B2 Dodge code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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 B16B2 Dodge Code

1. What are the common symptoms of OBDII code B16B2 in a Dodge related to the Left Stop Lamp Control Circuit Open issue?

- Common symptoms include the left stop lamp not functioning, the brake lights staying on continuously, and a warning light illuminated on the dashboard.

2. What are the possible causes of the Left Stop Lamp Control Circuit Open code B16B2 in a Dodge?

- Possible causes may include a faulty brake light switch, damaged wiring or connectors in the left stop lamp circuit, or a defective stop lamp relay.

3. How can I diagnose the Left Stop Lamp Control Circuit Open issue in my Dodge when OBDII code B16B2 is triggered?

- Start by checking the left stop lamp bulb for any signs of damage. Inspect the wiring and connectors for corrosion or breaks. Test the brake light switch and stop lamp relay for proper function.

4. Can I still drive my Dodge with the OBDII code B16B2 indicating a Left Stop Lamp Control Circuit Open problem?

- It is not recommended to drive the vehicle with this issue as it compromises the visibility of your brake lights, which are essential for safety on the road.

5. How do I repair the Left Stop Lamp Control Circuit Open problem in my Dodge after diagnosing the issue?

- Repair options may include replacing the faulty brake light switch, repairing or replacing damaged wiring and connectors, or swapping out a defective stop lamp relay.

6. Is it possible for a loose connection to cause the B16B2 OBDII code related to the Left Stop Lamp Control Circuit Open in a Dodge?

- Yes, a loose or poor connection in the left stop lamp circuit can cause the control circuit to remain open and trigger the B16B2 code.

7. Will resetting the OBDII system clear the B16B2 code for the Left Stop Lamp Control Circuit Open in my Dodge?

- While clearing the code may temporarily turn off the warning light, the underlying issue causing the code will persist until properly diagnosed and repaired.

8. What should I do if I continue to see the B16B2 code after repairing the Left Stop Lamp Control Circuit in my Dodge?

- If the code persists after repairs, recheck the connections, components, and wiring in the left stop lamp circuit to ensure everything is functioning correctly.

9. Can extreme weather conditions affect the Left Stop Lamp Control Circuit in a Dodge and trigger the B16B2 OBDII code?

- Extreme weather conditions, especially moisture and corrosion, can impact the wiring and connectors in the left stop lamp circuit, potentially leading to the B16B2 code.

10. Is it advisable to seek professional help for diagnosing and repairing the B16B2 code related to the Left Stop Lamp Control Circuit Open in a Dodge?

- If you are unfamiliar with automotive electrical systems or troubleshooting, it is recommended to consult a professional mechanic or technician for accurate diagnosis and repair of the issue.

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