AutoCodes – Volvo – P0512 Volvo

P0512 Volvo Code - Starter Request Circuit

Quick Answer

On vehicles with Push Button Ignition Switch, the Engine Control Module (ECM) monitors the inhibitor switches and keyless access control module. 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 Volvo 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 7,470
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 Volvo Description

On vehicles with Push Button Ignition Switch, the Engine Control Module (ECM) monitors the inhibitor switches and keyless access control module. Once the ECM sees a signal to start the engine, it will verify that the necessary criteria have been met before engaging the starter. The Diagnostic Trouble Code (DTC) will set when the ECM detects an open or short in the starter request signal circuit.
OBDII Code P0512 Volvo - Starter Request Circuit - AutoCodes.com
P0512 Volvo Code - Starter Request Circuit

What are the Possible Causes of the DTC P0512 Volvo?

  • Faulty Push Button Ignition Switch
  • Push Button Ignition Switch harness is open or shorted
  • Push Button Ignition Switch circuit poor electrical connection
  • Faulty Keyless Access Control Module
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0512 Volvo?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0512 Volvo 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 P0512 Volvo Code

1. What are the common symptoms of OBDII code P0512 in a Volvo related to the Starter Request Circuit?

When OBDII code P0512 is triggered in a Volvo, you may experience issues such as the engine not cranking or starting, intermittent starting problems, or the starter motor not engaging.

2. What does the OBDII code P0512 Volvo indicate about the Starter Request Circuit?

OBDII code P0512 in a Volvo indicates a problem with the Starter Request Circuit, which is responsible for sending signals to the starter motor to engage and crank the engine.

3. What are the possible causes of OBDII code P0512 related to the Starter Request Circuit in a Volvo?

Common causes of OBDII code P0512 in a Volvo include a faulty starter relay, damaged wiring or connectors in the Starter Request Circuit, or a malfunctioning ignition switch.

4. How can I diagnose the issue causing OBDII code P0512 in my Volvo related to the Starter Request Circuit?

To diagnose the problem, you can use a diagnostic scanner to read the code and perform a visual inspection of the starter relay, wiring, and connectors. Testing the components for proper voltage and continuity can help pinpoint the issue.

5. What are some repair tips for resolving OBDII code P0512 in a Volvo associated with the Starter Request Circuit?

Repair tips for addressing OBDII code P0512 include checking and replacing a faulty starter relay, repairing any damaged wiring or connectors, and ensuring the ignition switch is functioning correctly.

6. Can OBDII code P0512 in a Volvo related to the Starter Request Circuit be fixed without professional help?

While some DIY enthusiasts may be able to address simple issues like replacing a faulty starter relay, diagnosing and repairing complex electrical problems in the Starter Request Circuit may require professional help.

7. Is it safe to continue driving with OBDII code P0512 triggered in a Volvo?

It is not recommended to drive your Volvo with OBDII code P0512 active, as it can lead to unreliable starting or complete engine failure. It's best to address the issue promptly to avoid further damage.

8. How long does it typically take to repair OBDII code P0512 in a Volvo related to the Starter Request Circuit?

The repair time for OBDII code P0512 can vary depending on the specific cause of the issue. Simple fixes like replacing a starter relay can be done quickly, while more complex wiring or ignition switch repairs may take longer.

9. Will resetting the OBDII code P0512 in a Volvo make the problem go away permanently?

Resetting the OBDII code P0512 in a Volvo may clear the code temporarily, but if the underlying issue in the Starter Request Circuit is not addressed, the code is likely to reappear. It's important to diagnose and fix the root cause of the problem.

10. Can extreme weather conditions affect the occurrence of OBDII code P0512 in a Volvo related to the Starter Request Circuit?

Extreme weather conditions, such as extreme cold or heat, can potentially exacerbate existing issues in the Starter Request Circuit, leading to the triggering of OBDII code P0512. It's essential to ensure all electrical components are functioning correctly in such conditions.

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