AutoCodes – Generic – P229C

P229C Code - Fuel Pressure Regulator 2 Exceeded Learning Limits Too Low

Quick Answer

The Powertrain Control Module (PCM) monitors the fuel pressure. Common causes include Faulty Fuel Pressure Regulator, Faulty Fuel Pump, Faulty Fuel Pressure Sensor. 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: P229C indicates Fuel Pressure Regulator 2 Exceeded Learning Limits Too Low.
Common causes: Common causes include Faulty Fuel Pressure Regulator, Faulty Fuel Pump, Faulty Fuel Pressure Sensor.
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 4,044

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
Cost to Diagnose
FAQs
Comments
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Code P229C Description

The Powertrain Control Module (PCM) monitors the fuel pressure. The code is set when the PCM detects the fuel pressure out of factory specifications.

OBDII Code P229C - Fuel Pressure Regulator 2 Exceeded Learning Limits Too Low - AutoCodes.com — P229C Code - Fuel Pressure Regulator 2 Exceeded Learning Limits Too Low

What does this mean?

What are the Possible Causes of the DTC P229C?

Faulty Fuel Pressure Regulator
Faulty Fuel Pump
Faulty Fuel Pressure Sensor

How to Fix the DTC P229C?

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 P229C 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 P229C code?

Need more information on how to fix the P229C code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P229C code diagnosed by a professional: Find a repair shop in your area

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 P229C Code

1. What are the common symptoms of OBDII code P229C (Fuel Pressure Regulator 2 Exceeded Learning Limits Too Low)?

The common symptoms of code P229C may include engine hesitation, rough idling, decreased fuel efficiency, and stalling.

2. What are the possible causes of OBDII code P229C?

Possible causes of code P229C include a faulty fuel pressure regulator, clogged fuel filter, fuel pump issues, wiring problems, or a fuel pressure sensor malfunction.

3. How serious is OBDII code P229C (Fuel Pressure Regulator 2 Exceeded Learning Limits Too Low)?

Code P229C should be addressed promptly as it can lead to poor engine performance, potential engine damage, and unsafe driving conditions if left unresolved.

4. How can I diagnose OBDII code P229C?

Diagnosing code P229C typically involves using an OBDII scanner to retrieve the code, inspecting the fuel pressure regulator and related components, and checking for any fuel system leaks or issues.

5. Can I continue driving with OBDII code P229C?

It is not recommended to continue driving with code P229C present, as it can cause further damage to the engine and compromise vehicle safety.

6. What are some repair tips for fixing OBDII code P229C?

Repair tips for resolving code P229C may include replacing the fuel pressure regulator, inspecting and cleaning the fuel system components, checking for proper fuel pressure, and ensuring all connections are secure.

7. How much does it cost to repair OBDII code P229C?

The cost of repairing code P229C can vary depending on the underlying issue, the extent of the repairs needed, and labor costs. It is advisable to consult a mechanic for a proper diagnosis and cost estimate.

8. Can a DIY enthusiast fix OBDII code P229C at home?

DIY enthusiasts with automotive repair experience may be able to address code P229C at home by following repair guides, but it is recommended to seek professional help if unsure about the diagnosis or repair process.

9. How long does it take to repair OBDII code P229C?

The time needed to repair code P229C can vary based on the specific issue causing the code, the availability of parts, and the expertise of the mechanic. It is advisable to consult a professional for an accurate time estimate.

10. How can I prevent OBDII code P229C from reoccurring?

To prevent code P229C from reoccurring, it is essential to perform regular maintenance on the fuel system, use quality fuel, address any issues promptly, and follow the manufacturer's recommended service schedule.