AutoCodesAudi – P025C Audi

P025C Audi Code - Fuel Pump Module Control Circuit Low

Quick Answer

The Powertrain Control Module (PCM) monitors the Fuel Pump Module Control Circuit circuit for a concern. Common causes include Faulty Fuel Pump Module, Fuel Pump Module harness is open or shorted, Fuel Pump 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
P025C Audi indicates Fuel Pump Module Control Circuit Low.
Common causes
Common causes include Faulty Fuel Pump Module, Fuel Pump Module harness is open or shorted, Fuel Pump 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 8,987
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 17, 2021
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Code P025C Audi Description

The Powertrain Control Module (PCM) monitors the Fuel Pump Module Control Circuit circuit for a concern. When the PCM commands the Fuel Pump (FP) ON, the PCM is able to detect a short to voltage on the Fuel Pump Module circuit.
OBDII Code P025C Audi - Fuel Pump Module Control Circuit Low - AutoCodes.com
P025C Audi Code - Fuel Pump Module Control Circuit Low

What are the Possible Causes of the DTC P025C Audi?

  • Faulty Fuel Pump Module
  • Fuel Pump Module harness is open or shorted
  • Fuel Pump Module circuit poor electrical connection

How to Fix the DTC P025C Audi?

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 P025C Audi 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 P025C Audi Code

1. What does the OBDII code P025C mean on an Audi?

P025C indicates a "Fuel Pump Module Control Circuit Low" issue, meaning the ECU has detected low voltage or a malfunction in the fuel pump control circuit.

2. What are the common symptoms of the P025C code in an Audi?

Symptoms may include difficulty starting the engine, reduced engine performance, stalling, or the fuel pump not operating correctly.

3. What causes the P025C code to appear in an Audi?

Common causes include a faulty fuel pump control module, damaged wiring or connectors, a failing fuel pump, or a weak battery or alternator.

4. Can a bad fuel pump cause the P025C code?

Yes, a failing fuel pump can trigger the P025C code, as the module may not receive the expected voltage or feedback from the pump.

5. How do you diagnose the P025C code on an Audi?

Start by checking the battery voltage and alternator output, inspect the wiring and connectors to the fuel pump module, and test the module and pump for proper operation.

6. Is it safe to drive with the P025C code on an Audi?

Driving with this code is not recommended, as it may lead to stalling or engine performance issues, potentially leaving you stranded.

7. How do you fix the P025C code on an Audi?

Repairs may include replacing the fuel pump control module, repairing damaged wiring or connectors, or replacing the fuel pump if it’s faulty.

8. Can a weak battery trigger the P025C code in an Audi?

Yes, a weak or failing battery can cause low voltage in the fuel pump control circuit, potentially triggering the P025C code.

9. How much does it cost to fix the P025C code on an Audi?

Costs can vary widely but typically range from $200 to $800, depending on whether the issue is with the fuel pump, control module, or wiring.

10. Will clearing the P025C code with a scan tool fix the issue?

Clearing the code may temporarily remove the warning, but it won’t fix the underlying problem causing the P025C code to appear.

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