AutoCodes – Mercury – P1A07 Mercury

P1A07 Mercury Code - Inverter High Voltage Performance

Quick Answer

The Transmission Control Module (TCM) continuously monitors voltage at the motor and the generator inverters. Common causes include Faulty Transmission, Transmission high voltage cables is open or shorted, Transmission high voltage cables 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: P1A07 Mercury indicates Inverter High Voltage Performance.
Common causes: Common causes include Faulty Transmission, Transmission high voltage cables is open or shorted, Transmission high voltage cables 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 828

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 Feb 08, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1A07 Mercury Description

The Transmission Control Module (TCM) continuously monitors voltage at the motor and the generator inverters. It also checks the Controlled Area Network (CAN) communication bus for a voltage message from the Traction Battery Control Module (TBCM). This code indicates the measured voltage does not match the voltage received in the CAN message or is outside calibrated limits.

OBDII Code P1A07 Mercury - Inverter High Voltage Performance - AutoCodes.com — P1A07 Mercury Code - Inverter High Voltage Performance

What does this mean?

What are the Possible Causes of the DTC P1A07 Mercury?

Faulty Transmission
Transmission high voltage cables is open or shorted
Transmission high voltage cables poor electrical connection

How to Fix the DTC P1A07 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 P1A07 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 P1A07 Mercury code?

Need more information on how to fix the P1A07 Mercury code? Get Access to Factory Service Manuals

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Get the P1A07 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 P1A07 Mercury Code

1. What are the common symptoms of OBDII code P1A07 (Mercury) - Inverter High Voltage Performance?

- Common symptoms may include reduced power, poor acceleration, and the illumination of the check engine light.

2. What are the possible causes of OBDII code P1A07 (Mercury) - Inverter High Voltage Performance?

- Possible causes can include issues with the high voltage inverter system, faulty inverter components, wiring problems, or software glitches.

3. How can I diagnose the OBDII code P1A07 (Mercury) - Inverter High Voltage Performance?

- Diagnosis typically involves using a professional OBDII scanner to retrieve the code, inspecting the high voltage inverter system components, and testing the wiring for any faults.

4. Can I continue driving my Mercury with the OBDII code P1A07 - Inverter High Voltage Performance?

- It is not recommended to drive your vehicle with this code as it can lead to further damage and potential safety hazards. It is best to have the issue addressed as soon as possible.

5. What are some repair tips for fixing OBDII code P1A07 (Mercury) - Inverter High Voltage Performance?

- Repair tips may include checking and repairing any damaged wiring, replacing faulty inverter components, updating software if necessary, and ensuring proper connections in the high voltage system.

6. Is it safe to reset the OBDII code P1A07 (Mercury) - Inverter High Voltage Performance without fixing the underlying issue?

- It is not recommended to simply reset the code without addressing the underlying problem, as it may lead to continued issues and potential safety risks.

7. How much does it typically cost to repair OBDII code P1A07 (Mercury) - Inverter High Voltage Performance?

- Repair costs can vary depending on the specific cause of the issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.

8. Can a DIY enthusiast fix the OBDII code P1A07 (Mercury) - Inverter High Voltage Performance?

- While some basic troubleshooting and repairs may be possible for experienced DIY enthusiasts, diagnosing and fixing issues related to high voltage systems typically require specialized knowledge and tools best left to professionals.

9. Will OBDII code P1A07 (Mercury) - Inverter High Voltage Performance affect fuel efficiency?

- Yes, this code can potentially impact fuel efficiency due to the issues it causes with power delivery and overall performance of the vehicle.

10. How soon should I address OBDII code P1A07 (Mercury) - Inverter High Voltage Performance?

- It is recommended to address this code as soon as possible to prevent further damage to the high voltage system and ensure the safety and performance of your Mercury vehicle.