AutoCodes – Ford – P0230 1999 Ford F150

P0230 1999 Ford F150 Code - Fuel Pump Primary Circuit Malfunction

Quick Answer

The Engine Control Module (ECM) provides ignition positive voltage to the coil side of the fuel pump relay. Common causes include Blown Fuel Pump fuse, Open Fuel Pump Monitor Circuit, Faulty Fuel Pump Relay. 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: P0230 1999 Ford F150 indicates Fuel Pump Primary Circuit Malfunction .
Common causes: Common causes include Blown Fuel Pump fuse, Open Fuel Pump Monitor Circuit, Faulty Fuel Pump Relay.
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 3,769

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 Jun 14, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0230 1999 Ford F150 Description

The Engine Control Module (ECM) provides ignition positive voltage to the coil side of the fuel pump relay. When the ignition switch is first turned ON, the ECM energizes the fuel pump relay, which applies power to the fuel pump. The ECM enables the fuel pump relay as long as the engine is cranking or running, and crankshaft reference pulses are received. If no crankshaft reference pulses are received, the ECM de-energizes the fuel pump relay after 2 seconds. The ECM monitors the voltage on the fuel pump relay control circuit.

OBDII Code P0230 1999 Ford F150 - Fuel Pump Primary Circuit Malfunction - AutoCodes.com — P0230 1999 Ford F150 Code - Fuel Pump Primary Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P0230 1999 Ford F150?

Blown Fuel Pump fuse
Open Fuel Pump Monitor Circuit
Faulty Fuel Pump Relay
Damaged ECM

How to Fix the DTC P0230 1999 Ford F150?

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 does this mean?

Code Tech Notes

For some FORD models:
1. Disconnect the inertia switch harness connector
2. Turn key to ON position (Engine OFF)
3. Measure voltage of circuit between inertia switch harness connector and ground
4. If battery voltage is found, replaced Inertia Switch
5. Clear codes

For natural gas applications, the following description applies to the fuel shutoff valve (FSV) circuit.
The PCM monitors the fuel pump (FP) circuit output from the PCM. The test fails if: With the FP output commanded ON (grounded), excessive current draw is detected on the FP circuit; or with the FP output commanded OFF, voltage is not detected on the FP circuit (the PCM expects to detect VPWR voltage coming through the fuel pump relay coil to the FP circuit).

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0230 1999 Ford F150 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 P0230 1999 Ford F150 code?

Need more information on how to fix the P0230 1999 Ford F150 code? Get Access to Factory Service Manuals

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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 P0230 1999 Ford F150 Code

1. What does OBDII code P0230 mean on a 1999 Ford F150?

P0230 indicates a Fuel Pump Primary Circuit Malfunction, meaning thereâ€™s an issue in the electrical circuit controlling the fuel pump relay.

2. What are common symptoms of code P0230 on a 1999 Ford F150?

Symptoms may include engine stalling, difficulty starting, no-start condition, or a lack of fuel pressure.

3. What causes the P0230 code on a 1999 Ford F150?

Common causes include a faulty fuel pump relay, damaged wiring or connectors in the fuel pump circuit, a failed PCM (Powertrain Control Module), or a malfunctioning fuel pump.

4. Can a bad fuel pump cause the P0230 code?

Yes, a malfunctioning fuel pump can cause P0230 if itâ€™s drawing excessive current or failing to operate correctly.

5. How can you diagnose the P0230 code on a 1999 Ford F150?

Use a multimeter to check for power at the fuel pump relay, inspect wiring and connectors for damage or corrosion, and test the relay and fuel pump for proper operation.

6. Is the P0230 code serious?

Yes, it can be serious as it may result in the engine not starting or stalling while driving, which could be dangerous.

7. Can I drive my 1999 Ford F150 with the P0230 code?

Itâ€™s not recommended, as the vehicle may stall unexpectedly, leaving you stranded or creating a safety hazard.

8. How do you fix the P0230 code on a 1999 Ford F150?

Repairs may include replacing a faulty fuel pump relay, repairing damaged wiring, cleaning corroded connectors, or replacing the fuel pump if itâ€™s faulty.

9. Can a faulty PCM cause the P0230 code?

Yes, though itâ€™s less common, a failed PCM or a software issue can cause the P0230 code if it fails to control the fuel pump relay properly.

10. How much does it cost to fix the P0230 code on a 1999 Ford F150?

The cost varies depending on the cause, but replacing a fuel pump relay costs around $20-$50, while a fuel pump replacement could cost $300-$800, including labor.