AutoCodesFord – P0512 2012 Ford Fusion

P0512 2012 Ford Fusion Code - Starter Request Circuit

Quick Answer

This Diagnostic Trouble Code (DTC) indicates that the Push Button Ignition Switch Powertrain Control Module (PCM) input circuit has power while the ignition is in the OFF position. Common causes include Faulty Push Button Ignition Switch, Push Button Ignition Switch harness is open or shorted, Push Button Ignition 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
P0512 2012 Ford Fusion indicates Starter Request Circuit.
Common causes
Common causes include Faulty Push Button Ignition Switch, Push Button Ignition Switch harness is open or shorted, Push Button Ignition 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 2,313
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 12, 2020
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Code P0512 2012 Ford Fusion Description

This Diagnostic Trouble Code (DTC) indicates that the Push Button Ignition Switch Powertrain Control Module (PCM) input circuit has power while the ignition is in the OFF position.
OBDII Code P0512 2012 Ford Fusion - Starter Request Circuit - AutoCodes.com
P0512 2012 Ford Fusion Code - Starter Request Circuit

What are the Possible Causes of the DTC P0512 2012 Ford Fusion?

  • Faulty Push Button Ignition Switch
  • Push Button Ignition Switch harness is open or shorted
  • Push Button Ignition Switch circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)

How to Fix the DTC P0512 2012 Ford Fusion?

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 P0512 2012 Ford Fusion 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 P0512 2012 Ford Fusion code?

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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 P0512 2012 Ford Fusion Code

1. What does the OBDII code P0512 mean on a 2012 Ford Fusion?

P0512 indicates an issue with the Starter Request Circuit, which involves the system responsible for signaling the engine to start.

2. What are the common symptoms of code P0512 in a 2012 Ford Fusion?

Symptoms include difficulty starting the engine, intermittent starting issues, or the engine not cranking at all.

3. What causes the P0512 code in a 2012 Ford Fusion?

Common causes include a faulty starter relay, damaged wiring in the starter circuit, a malfunctioning ignition switch, or a problem with the PCM (Powertrain Control Module).

4. Can a weak battery trigger code P0512 in a 2012 Ford Fusion?

Yes, a weak or failing battery can affect the starter circuit and may contribute to this code.

5. How do you diagnose P0512 on a 2012 Ford Fusion?

Diagnosis typically involves checking the starter relay, inspecting wiring and connectors in the starter circuit, testing the ignition switch, and scanning the PCM for additional codes.

6. Can I still drive my 2012 Ford Fusion with code P0512 active?

While the vehicle may still operate, starting issues could worsen over time, so it’s recommended to address the problem promptly.

7. How do you fix code P0512 in a 2012 Ford Fusion?

Repairs may include replacing the starter relay, repairing or replacing damaged wiring, or addressing issues with the ignition switch or PCM.

8. Does P0512 always mean the starter is bad on a 2012 Ford Fusion?

No, the code points to the starter circuit rather than the starter itself, so the issue may lie elsewhere, such as wiring or the ignition switch.

9. How much does it cost to fix code P0512 on a 2012 Ford Fusion?

Repair costs vary depending on the cause, ranging from $100 for basic wiring repairs to over $500 if major components like the PCM need replacement.

10. Can clearing the P0512 code solve the issue in a 2012 Ford Fusion?

Clearing the code will reset the warning temporarily, but the underlying issue must be repaired to prevent the code from returning.

Discuss the causes and fixes for P0512 2012 Ford Fusion OBDII Code

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