AutoCodes – Mercury – P1A16 Mercury

P1A16 Mercury Code - Variable Voltage Controller Voltage Control Circuit

Quick Answer

The Battery Energy Control Module (BECM) monitors the Variable Voltage Controller Voltage. Common causes include Faulty Inverter, Faulty Variable Voltage Controller, Variable Voltage Controller harness is open or shorted. 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: P1A16 Mercury indicates Variable Voltage Controller Voltage Control Circuit.
Common causes: Common causes include Faulty Inverter, Faulty Variable Voltage Controller, Variable Voltage Controller harness is open or shorted.
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 1,075

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 Aug 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1A16 Mercury Description

The Battery Energy Control Module (BECM) monitors the Variable Voltage Controller Voltage. This Diagnostic Trouble Code (DTC) indicates a Variable Voltage Controller or traction battery malfunction.

OBDII Code P1A16 Mercury - Variable Voltage Controller Voltage Control Circuit - AutoCodes.com — P1A16 Mercury Code - Variable Voltage Controller Voltage Control Circuit

What does this mean?

What are the Possible Causes of the DTC P1A16 Mercury?

Faulty Inverter
Faulty Variable Voltage Controller
Variable Voltage Controller harness is open or shorted
Variable Voltage Controller circuit poor electrical connection
High voltage traction battery malfunction

How to Fix the DTC P1A16 Mercury?

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 P1A16 Mercury 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.

Need more information about the P1A16 Mercury code?

Need more information on how to fix the P1A16 Mercury code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1A16 Mercury code diagnosed by a professional: Find a repair shop in your area

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 P1A16 Mercury Code

1. What are the common symptoms of OBDII code P1A16 in a Mercury vehicle?

- Common symptoms include poor fuel efficiency, rough idling, stalling, and the illumination of the Check Engine Light.

2. What are the possible causes of OBDII code P1A16 in a Mercury vehicle?

- Possible causes of this code include a faulty variable voltage controller, issues with the voltage control circuit, wiring problems, or a malfunctioning battery.

3. How can I diagnose OBDII code P1A16 in my Mercury car?

- Diagnosis involves using an OBDII scanner to retrieve the code, checking the voltage controller and its circuit for any visible damage, and testing the battery's voltage.

4. Can I still drive my Mercury with OBDII code P1A16 present?

- It is not recommended to drive your vehicle with this code present, as it can lead to further damage and potential safety issues. It's best to address the underlying problem as soon as possible.

5. How can I repair OBDII code P1A16 in my Mercury vehicle?

- Repair options include replacing the faulty variable voltage controller, repairing any damaged wiring in the voltage control circuit, and ensuring proper battery functionality.

6. Are there any DIY tips for fixing OBDII code P1A16 in a Mercury car?

- DIY tips include checking for loose or corroded connections, ensuring all fuses related to the voltage control circuit are intact, and following a detailed repair manual for your specific Mercury model.

7. How much does it cost to fix OBDII code P1A16 in a Mercury vehicle?

- The cost can vary depending on the specific issue causing the code, the labor rates in your area, and whether you choose to repair it yourself or take it to a professional mechanic. It's best to get multiple quotes for an accurate estimate.

8. Is OBDII code P1A16 a serious issue in a Mercury car?

- While the severity of the issue can vary, it is important to address this code promptly to prevent further damage to your vehicle's components and ensure optimal performance.

9. Can resetting the Check Engine Light resolve OBDII code P1A16 in my Mercury?

- Simply resetting the Check Engine Light will not fix the underlying issue causing the code. It's essential to diagnose the problem and perform the necessary repairs to clear the code permanently.

10. How often does OBDII code P1A16 occur in Mercury vehicles?

- The occurrence of this specific code can vary depending on the age and condition of the vehicle, maintenance history, and driving habits. If you encounter this code, it's essential to address it promptly to avoid potential complications.