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Dodge B165B

Park Lamp Control - Circuit Open. Customers may also experience one or more of the following:

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact an authorized Dodge service provider for diagnosis, especially if the MIL is illuminated or a “Service Left Headlamp” message appears.
Confidence95%

Quick answer

B165B-13 indicates “Park Lamp Control - Circuit Open” on the 2024 Dodge Charger (US). Verified evidence also identifies this code in a manufacturer communication involving a MIL and a possible “Service Left Headlamp” message.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

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1. What does B165B mean?

B165B-13 indicates “Park Lamp Control - Circuit Open” on the 2024 Dodge Charger (US). Verified evidence also identifies this code in a manufacturer communication involving a MIL and a possible “Service Left Headlamp” message.

2. Technical explanation

The supplied official manufacturer-communication evidence identifies DTC B165B-13 as “Park Lamp Control - Circuit Open.” The evidence does not establish the specific failed component, wiring location, diagnostic procedure, or repair.

3. What system is affected?

Park lamp control / left-headlamp-related warning context is indicated by the supplied evidence. The exact system architecture is not yet established by verified evidence.

4. How serious is this code?

Unknown. The supplied evidence does not assign a severity level.

5. Symptoms you may notice

  • Malfunction Indicator Lamp (MIL) illumination.
  • Possible “Service Left Headlamp” message.

6. Possible causes

  • An open circuit in the park lamp control circuit is indicated by the DTC definition.
  • The underlying reason for the open circuit is not yet established by verified evidence.

7. Can I still drive the vehicle?

Not yet established by verified evidence.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • If the MIL or “Service Left Headlamp” message is present, arrange diagnosis by an authorized Dodge service provider.
  • Do not attempt high-voltage or electrical-system repairs based on this code alone.

10. Step-by-step troubleshooting

  1. Confirm the stored DTC and any accompanying messages using appropriate diagnostic equipment.
  2. Follow the applicable Dodge service information. Specific diagnostic steps are not provided in the supplied verified evidence.

11. When to contact service

Contact an authorized Dodge service provider for diagnosis, especially if the MIL is illuminated or a “Service Left Headlamp” message appears.

12. What the service center may check

  • Verify B165B-13 is present.
  • Check for the MIL and any “Service Left Headlamp” message.
  • Perform manufacturer-directed diagnosis. Further service checks are not yet established by verified evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence. The supplied communication excerpt does not identify a confirmed repair.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 11026547, titled “08-388-25,” published December 2, 2025. The supplied excerpt states that B165B-13 may be accompanied by MIL illumination and a “Service Left Headlamp” message. Applicability and repair instructions beyond the supplied excerpt are not yet established by verified evidence.

16. Recall information

  • No recall information was supplied or established by verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication 11026547: 08-388-25 (published December 2, 2025): https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2025-2026.zip#nhtsa_id=11026547

19. Frequently asked questions

What does Dodge code B165B-13 mean?

It means “Park Lamp Control - Circuit Open,” according to the supplied official manufacturer-communication evidence.

Which vehicle is supported by the supplied evidence?

A 2024 Dodge Charger in the United States.

Can B165B-13 cause a headlamp warning?

The supplied evidence states that customers may experience a “Service Left Headlamp” message.

Is it safe to drive or charge with B165B-13?

Not yet established by verified evidence.

20. Sources & verification

Verified
Dodge B165B: Park Lamp Control - Circuit Open. Customers may also… | EV Diagnostics