AutoCodes – Chevrolet – P16E4 2017 Chevrolet Silverado

P16E4 2017 Chevrolet Silverado Code - Sensor Communication Circuit 3 Low Voltage

Quick Answer

The Engine Control Module (ECM) uses the Fuel Rail Pressure (FRP) sensor to constantly adjust the high-pressure fuel pump's feed rate so that the ideal pressure is permanently maintained in the high-pressure section (between the high-pressure fuel pump and the injectors) by means of closed-loop control. Common causes include Low or no fuel, Faulty Fuel Rail Pressure (FRP) Sensor, Fuel Rail Pressure harness is open or shorted. 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: P16E4 2017 Chevrolet Silverado indicates Sensor Communication Circuit 3 Low Voltage.
Common causes: Common causes include Low or no fuel, Faulty Fuel Rail Pressure (FRP) Sensor, Fuel Rail Pressure harness is open or shorted.
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 764

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 May 30, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P16E4 2017 Chevrolet Silverado Description

The Engine Control Module (ECM) uses the Fuel Rail Pressure (FRP) sensor to constantly adjust the high-pressure fuel pump's feed rate so that the ideal pressure is permanently maintained in the high-pressure section (between the high-pressure fuel pump and the injectors) by means of closed-loop control. The fuel rail pressure sensor transmits fuel pressure and temperature information via serial data to the ECM. When the fuel pressure is high, the signal voltage is high. When the fuel pressure is low, the signal voltage is low. The ECM controls the fuel pressure regulator, which regulates high-pressure fuel that goes to the fuel injector rails and the injectors. The Diagnostic Trouble Code (DTC) will be set if the Fuel Rail Pressure Sensor Signal is less than a predefined threshold for greater than 2.6 s.

OBDII Code P16E4 2017 Chevrolet Silverado - Sensor Communication Circuit 3 Low Voltage - AutoCodes.com — P16E4 2017 Chevrolet Silverado Code - Sensor Communication Circuit 3 Low Voltage

What does this mean?

What are the Possible Causes of the DTC P16E4 2017 Chevrolet Silverado?

Low or no fuel
Faulty Fuel Rail Pressure (FRP) Sensor
Fuel Rail Pressure harness is open or shorted
Fuel Rail Pressure circuit poor electrical connection
Faulty Fuel Pump

How to Fix the DTC P16E4 2017 Chevrolet Silverado?

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 P16E4 2017 Chevrolet Silverado 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 P16E4 2017 Chevrolet Silverado code?

Need more information on how to fix the P16E4 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P16E4 2017 Chevrolet Silverado 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 P16E4 2017 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P16E4 in a 2017 Chevrolet Silverado?

- Common symptoms include rough idling, decreased engine performance, and illuminated Check Engine light.

2. What are the possible causes of OBDII code P16E4 in a 2017 Chevrolet Silverado?

- Possible causes may include a faulty sensor, damaged wiring or connectors, or issues with the communication circuit.

3. How can I diagnose the Sensor Communication Circuit 3 Low Voltage issue in my 2017 Chevrolet Silverado?

- Proper diagnosis involves using an OBDII scanner to retrieve the specific fault code, inspecting the sensor and its connections, and testing the circuit for voltage irregularities.

4. Can I drive my 2017 Chevrolet Silverado with OBDII code P16E4 present?

- It is not recommended to drive the vehicle with this fault code present, as it can lead to further damage and potential safety hazards.

5. How serious is the Sensor Communication Circuit 3 Low Voltage problem in a 2017 Chevrolet Silverado?

- While the issue may not cause immediate breakdown, it can affect the vehicle's performance and fuel efficiency if left unresolved.

6. What are some DIY repair tips for fixing OBDII code P16E4 in a 2017 Chevrolet Silverado?

- DIY repair tips may include checking and cleaning the sensor connections, inspecting for damaged wires, and resetting the fault code with an OBDII scanner.

7. Is it safe to continue driving my 2017 Chevrolet Silverado if the Check Engine light is on due to code P16E4?

- It is best to address the issue promptly to avoid potential complications and ensure the vehicle operates optimally.

8. How much does it typically cost to repair OBDII code P16E4 in a 2017 Chevrolet Silverado?

- The repair cost can vary depending on the exact cause of the issue, but it may involve replacing a faulty sensor, repairing damaged wiring, or addressing circuit problems.

9. Can resetting the Check Engine light resolve OBDII code P16E4 in a 2017 Chevrolet Silverado?

- Resetting the light may temporarily clear the code, but if the underlying issue is not fixed, the code is likely to reappear.

10. Should I seek professional help for diagnosing and repairing OBDII code P16E4 in my 2017 Chevrolet Silverado?

- It is advisable to consult a professional mechanic or technician for accurate diagnosis and proper repair of the Sensor Communication Circuit 3 Low Voltage issue in your vehicle.