AutoCodes – RAM – B162B RAM

B162B RAM Code - Left Low Beam Control Circuit Low

Quick Answer

The Front Totally Integrated Power Module (TIPM) monitors the Left Low Beam. Common causes include Faulty Left Low Beam Bulb, Left Low Beam Bulb harness is open or shorted, Left Low Beam Bulb 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: B162B RAM indicates Left Low Beam Control Circuit Low.
Common causes: Common causes include Faulty Left Low Beam Bulb, Left Low Beam Bulb harness is open or shorted, Left Low Beam Bulb 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.

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Code Popularity 1,018

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 24, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B162B RAM Description

The Front Totally Integrated Power Module (TIPM) monitors the Left Low Beam. The TIPM sets the OBDII code when the Left Low Beam is not to factory specifications.

OBDII Code B162B RAM - Left Low Beam Control Circuit Low - AutoCodes.com — B162B RAM Code - Left Low Beam Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC B162B RAM?

Faulty Left Low Beam Bulb
Left Low Beam Bulb harness is open or shorted
Left Low Beam Bulb circuit poor electrical connection
Faulty Front Totally Integrated Power Module (TIPM)

How to Fix the DTC B162B RAM?

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 B162B RAM 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 B162B RAM Code

1. What are the common symptoms of OBDII code B162B RAM "Left Low Beam Control Circuit Low"?

- Common symptoms include the left low beam headlight not working, dimming or flickering light, or a dashboard warning light indicating a headlight issue.

2. What are the potential causes of OBDII code B162B RAM?

- Possible causes include a faulty headlight bulb, a damaged wiring harness, a defective headlight control module, or a problem with the vehicle's body control module.

3. How can I diagnose the issue causing OBDII code B162B RAM?

- To diagnose the issue, you can start by checking the left low beam headlight bulb for any signs of damage or wear. Next, inspect the wiring harness for any breaks, cuts, or loose connections. If necessary, use a multimeter to test the voltage at various points in the circuit.

4. What are some repair tips for fixing OBDII code B162B RAM?

- Repair tips include replacing the left low beam headlight bulb if it is burnt out, repairing or replacing any damaged wiring in the circuit, and testing and potentially replacing the headlight control module or body control module if they are found to be faulty.

5. Can I drive my vehicle with OBDII code B162B RAM present?

- It is not recommended to drive with this code present, as it indicates a problem with the left low beam headlight circuit, which can affect visibility and safety while driving at night or in low-light conditions.

6. Is it possible to reset OBDII code B162B RAM without fixing the issue?

- While you can clear the code with an OBDII scanner, it will likely reappear until the underlying issue causing the fault is resolved. It is important to address the root cause of the problem to ensure proper functioning of the headlight circuit.

7. How much does it typically cost to repair OBDII code B162B RAM?

- The cost of repair can vary depending on the specific cause of the issue. Replacing a headlight bulb may cost around $20-$50, while repairing or replacing wiring or control modules could range from $100 to several hundred dollars.

8. Can a DIY enthusiast fix OBDII code B162B RAM, or is it best left to a professional mechanic?

- DIY enthusiasts with some automotive experience may be able to diagnose and repair OBDII code B162B RAM, especially for simpler issues like replacing a headlight bulb. However, more complex issues involving wiring or control modules may require the expertise of a professional mechanic.

9. How urgent is it to address OBDII code B162B RAM?

- While the severity of the issue may vary depending on the cause, it is generally advisable to address OBDII code B162B RAM promptly to ensure proper functioning of the headlight circuit and maintain safe driving conditions, especially at night.

10. Are there any preventive measures to avoid OBDII code B162B RAM in the future?

- Regularly inspecting and maintaining the vehicle's headlights, including checking for burnt out bulbs and ensuring secure wiring connections, can help prevent issues like OBDII code B162B RAM from occurring.