AutoCodes – Generic – P229A

P229A Code - Fuel Pressure Regulator 2 Exceeded Control Limits Pressure 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: P229A indicates Fuel Pressure Regulator 2 Exceeded Control Limits Pressure 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 11,598

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
Comments
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Code P229A 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 P229A - Fuel Pressure Regulator 2 Exceeded Control Limits Pressure Too Low - AutoCodes.com — P229A Code - Fuel Pressure Regulator 2 Exceeded Control Limits Pressure Too Low

What does this mean?

What are the Possible Causes of the DTC P229A?

Faulty Fuel Pressure Regulator
Faulty Fuel Pump
Faulty Fuel Pressure Sensor

How to Fix the DTC P229A?

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 P229A 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 P229A 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.