AutoCodes – Dodge – B16A3 Dodge

B16A3 Dodge Code - Passenger Window Switch Backlighting Circuit Short

Quick Answer

The Passenger Door Module (PDM) monitors the Passenger Window Switch Backlighting. Common causes include Faulty Passenger Window Switch, Passenger Window Switch harness is open or shorted, Passenger Window Switch 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: B16A3 Dodge indicates Passenger Window Switch Backlighting Circuit Short.
Common causes: Common causes include Faulty Passenger Window Switch, Passenger Window Switch harness is open or shorted, Passenger Window Switch 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 1,002

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 19, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B16A3 Dodge Description

The Passenger Door Module (PDM) monitors the Passenger Window Switch Backlighting. The PDM sets the OBDII code when the Passenger Window Switch Illumination Driver circuit falls below 3.0 Volts for over 25 ms. or when the Passenger Window Switch Illumination Driver circuit current draw is greater than 120mA for over 2000 ms. and the switch illumination output is turned off or there is no current draw when the switch illumination is turned on.

OBDII Code B16A3 Dodge - Passenger Window Switch Backlighting Circuit Short - AutoCodes.com — B16A3 Dodge Code - Passenger Window Switch Backlighting Circuit Short

What does this mean?

What are the Possible Causes of the DTC B16A3 Dodge?

Faulty Passenger Window Switch
Passenger Window Switch harness is open or shorted
Passenger Window Switch circuit poor electrical connection
Faulty Passenger Door Module (PDM)

How to Fix the DTC B16A3 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 does this mean?

Code Tech Notes

B16A3-11-PASSENGER WINDOW SWITCH BACKLIGHTING CIRCUIT SHORT TO GROUND
B16A3-15-PASSENGER WINDOW SWITCH BACKLIGHTING CIRCUIT SHORT TO BATTERY OR OPEN

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B16A3 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 B16A3 Dodge Code

1. What does the OBDII code B16A3 mean on a Dodge?

The B16A3 code indicates a short circuit in the backlighting circuit for the passenger window switch.

2. What are the common symptoms of the B16A3 code?

Symptoms may include the passenger window switch backlighting not working, flickering lights on the switch, or other electrical issues in the affected circuit.

3. What causes the B16A3 code to appear?

The most common causes are damaged wiring, a short circuit, a faulty passenger window switch, or issues with the body control module (BCM).

4. Can I still use my passenger window if the B16A3 code is active?

In most cases, the window should still function, but the backlighting on the switch may not work properly.

5. How do I diagnose the B16A3 code on my Dodge?

Start by inspecting the passenger window switch and its wiring for visible damage, check for blown fuses, and use a multimeter to test for shorts or continuity issues.

6. Is it safe to drive with the B16A3 code?

Yes, itâ€™s generally safe to drive, but the issue should be addressed to avoid potential electrical problems or further damage.

7. How do I fix the B16A3 code on my Dodge?

Repairs may include replacing damaged wiring, repairing a short circuit, replacing the passenger window switch, or reprogramming or replacing the BCM if necessary.

8. How much does it cost to fix the B16A3 code?

The cost can vary depending on the cause, but simple wiring repairs may cost $50â€“$150, while switch or BCM replacement could range from $200â€“$600 or more.

9. Can the B16A3 code clear itself?

No, this code will not clear itself. The underlying issue must be fixed, and the code will need to be cleared with an OBDII scanner.

10. Can I fix the B16A3 code myself?

If you have experience with automotive electrical systems and the right tools, you can attempt the repair. However, for complex issues like BCM faults, professional assistance is recommended.