AutoCodesMercury – P1A14 Mercury

P1A14 Mercury Code - Hybrid Powertrain Control Module Transmission Disabled

Quick Answer

The Powertrain Control Module (PCM) monitors the Hybrid Powertrain Control Module. Common causes include Faulty Hybrid Powertrain Control Module, Hybrid Powertrain Control Module harness is open or shorted, Hybrid Powertrain Control Module 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
P1A14 Mercury indicates Hybrid Powertrain Control Module Transmission Disabled.
Common causes
Common causes include Faulty Hybrid Powertrain Control Module, Hybrid Powertrain Control Module harness is open or shorted, Hybrid Powertrain Control Module 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 1,333
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Feb 13, 2020
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Code P1A14 Mercury Description

The Powertrain Control Module (PCM) monitors the Hybrid Powertrain Control Module. The PCM sets the OBDII code when the Hybrid Powertrain Control Module is not to factory specifications.
OBDII Code P1A14 Mercury - Hybrid Powertrain Control Module Transmission Disabled - AutoCodes.com
P1A14 Mercury Code - Hybrid Powertrain Control Module Transmission Disabled

What are the Possible Causes of the DTC P1A14 Mercury?

  • Faulty Hybrid Powertrain Control Module
  • Hybrid Powertrain Control Module harness is open or shorted
  • Hybrid Powertrain Control Module circuit poor electrical connection

How to Fix the DTC P1A14 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 P1A14 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.

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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 P1A14 Mercury Code

Q: What does the OBDII code P1A14 on a Mercury vehicle mean?

1. A: The P1A14 code indicates the Hybrid Powertrain Control Module has detected a fault, causing the transmission to be disabled. 2.

Q: What are the common symptoms of the P1A14 code on a Mercury vehicle?

A: Symptoms may include a "Check Engine" light, the vehicle failing to shift into gear, reduced power, or the inability to drive. 3.

Q: What causes the P1A14 code to appear on a Mercury vehicle?

A: Common causes include issues with the hybrid powertrain control module, wiring or connector faults, a malfunctioning transmission, or software glitches. 4.

Q: Can I drive my Mercury vehicle with the P1A14 code active?

A: No, the P1A14 code typically disables the transmission, making the vehicle undrivable until the issue is resolved. 5.

Q: How is the P1A14 code diagnosed?

A: Diagnosis involves scanning for codes, inspecting the hybrid powertrain control module, checking wiring and connectors, and testing the transmission system. 6.

Q: How do I fix the P1A14 code on a Mercury vehicle?

A: Repairs may include replacing damaged wiring, updating the control module software, or replacing the hybrid powertrain control module or related components. 7.

Q: Can a software update fix the P1A14 code on a Mercury vehicle?

A: In some cases, a software update for the hybrid powertrain control module can resolve the issue if it’s caused by programming errors. 8.

Q: How much does it cost to repair the P1A14 code on a Mercury vehicle?

A: Repair costs vary depending on the issue but can range from $100 for wiring repairs to over $1,000 for module replacement. 9.

Q: Is the P1A14 code specific to Mercury hybrid vehicles?

A: While the code is most commonly associated with Mercury hybrid models, it may also appear in other Ford family hybrid vehicles. 10.

Q: Do I need a professional mechanic to fix the P1A14 code?

A: Yes, it’s recommended to have a professional diagnose and repair the issue due to the complexity of hybrid powertrain systems.

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