AutoCodes – Generic – B16E7

B16E7 Code - License Plate Lamp Control Circuit

Quick Answer

The Body Control Module (BCM) receives the input from the headlamp switch requesting lamp illumination. Common causes include Faulty License Plate Lamp, License Plate Lamp harness is open or shorted, License Plate 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: B16E7 indicates License Plate Lamp Control Circuit.
Common causes: Common causes include Faulty License Plate Lamp, License Plate Lamp harness is open or shorted, License Plate 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.

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Code Popularity 4,170

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 Jun 23, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B16E7 Description

The Body Control Module (BCM) receives the input from the headlamp switch requesting lamp illumination. The BCM provides a Pulse Width Modulated (PWM) voltage output through the license plate lamp control circuit. The control circuit connects to the License Plate Lamps, which are part of the Park Lamp lighting system. A ground path for the lamps is present through the harness to the body sheet metal. For additional information on the Park Lamps operation. When the Body Control Module (BCM) detects a low condition on the License Plate Lamp Driver circuit sets the Diagnostic Trouble Code (DTC).

OBDII Code B16E7 - License Plate Lamp Control Circuit - AutoCodes.com — B16E7 Code - License Plate Lamp Control Circuit

What does this mean?

What are the Possible Causes of the DTC B16E7?

Faulty License Plate Lamp
License Plate Lamp harness is open or shorted
License Plate Lamp circuit poor electrical connection
Faulty Rear Camera
Faulty Body Control Module (BCM)

How to Fix the DTC B16E7?

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 does this mean?

Code Tech Notes

B16E7-11 LICENSE PLATE LAMP CONTROL CIRCUIT SHORT TO GROUND
B16E7-15 LICENSE PLATE LAMP CONTROL CIRCUIT SHORT TO BATTERY OR OPEN

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B16E7 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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Need Help with the Code?

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Information for Specific Makes

B16E7 Chrysler — License Plate Lamp Control Circuit
B16E7 Dodge — License Plate Lamp Control Circuit
B16E7 Jeep — License Plate Lamp Control Circuit
B16E7 RAM — License Plate Lamp Control Circuit

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 B16E7 Code

1. What are the common symptoms of OBDII code B16E7 (License Plate Lamp Control Circuit)?

- The common symptoms include the license plate lamp not working, a warning light on the dashboard, and potential issues with the vehicle's electrical system.

2. What are the possible causes of OBDII code B16E7?

- The code B16E7 can be caused by a faulty license plate lamp, a blown fuse, a damaged wiring harness, or a malfunctioning control module.

3. How can I diagnose the License Plate Lamp Control Circuit issue related to OBDII code B16E7?

- You can start by visually inspecting the license plate lamp, checking the fuse related to the circuit, examining the wiring for any visible damage, and using a multimeter to test for continuity.

4. Can a DIY enthusiast repair OBDII code B16E7 at home?

- Yes, depending on the root cause, a DIY enthusiast with some knowledge of automotive electrical systems can potentially repair the issue by replacing the faulty lamp, fuse, or repairing damaged wiring.

5. Is it safe to continue driving with OBDII code B16E7 triggered?

- It is generally safe to drive with this code triggered, but it is important to address the issue promptly to ensure proper illumination of the license plate for legal and safety reasons.

6. How much does it typically cost to repair OBDII code B16E7 at a repair shop?

- The cost of repairing this code can vary depending on the cause and the labor rates of the repair shop. It may range from $50 to $200 or more, including parts and labor.

7. Can a loose connection cause OBDII code B16E7 to trigger?

- Yes, a loose or poor connection in the license plate lamp circuit can lead to the triggering of code B16E7. It is essential to check and secure all connections during diagnosis.

8. Are there any preventive measures to avoid OBDII code B16E7 in the future?

- Regularly inspecting the license plate lamp, checking the fuses, and ensuring proper wiring connections can help prevent issues that trigger code B16E7.

9. Will resetting the OBDII system clear the B16E7 code?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear after driving cycles.

10. How long does it take to repair OBDII code B16E7?

- The repair time for OBDII code B16E7 can vary based on the cause of the issue. Simple fixes like replacing a lamp or fuse may take less than an hour, while more complex wiring repairs can take longer.