P16E4 Chevrolet 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 Chevrolet 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.
Code P16E4 Chevrolet Description
What are the Possible Causes of the DTC P16E4 Chevrolet?
- 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 Chevrolet?
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 Chevrolet 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 Chevrolet code?
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Need Help with the Code?
Get the P16E4 Chevrolet code diagnosed by a professional: Find a repair shop in your area
Information for Specific Chevrolet Models
- P16E4 2014 Chevrolet Silverado — Sensor Communication Circuit 3 Low Voltage
- P16E4 2015 Chevrolet Silverado — Sensor Communication Circuit 3 Low Voltage
- P16E4 2016 Chevrolet Silverado — Sensor Communication Circuit 3 Low Voltage
- P16E4 2017 Chevrolet Silverado — Sensor Communication Circuit 3 Low Voltage
- P16E4 2018 Chevrolet Silverado — Sensor Communication Circuit 3 Low Voltage
Frequently Asked Questions about P16E4 Chevrolet Code
1. What are common symptoms of OBDII code P16E4 (Chevrolet) Sensor Communication Circuit 3 Low Voltage?
- Common symptoms include engine misfires, rough idling, poor fuel efficiency, and the illumination of the Check Engine light.
2. What can cause the Sensor Communication Circuit 3 Low Voltage code P16E4 in a Chevrolet vehicle?
- Possible causes include a faulty sensor, damaged wiring or connectors, low battery voltage, or a problem with the Engine Control Module (ECM).
3. How can I diagnose the Sensor Communication Circuit 3 Low Voltage issue in my Chevrolet with code P16E4?
- Use a diagnostic scanner to retrieve the code, inspect the sensor and its wiring for damage, check battery voltage, and perform a communication test with the ECM.
4. Can I drive my Chevrolet with OBDII code P16E4 (Sensor Communication Circuit 3 Low Voltage) without causing further damage?
- It is not recommended to drive the vehicle with this code as it can lead to performance issues and potential damage to other engine components.
5. What are some repair tips for fixing the P16E4 code related to Sensor Communication Circuit 3 Low Voltage in a Chevrolet?
- Start by checking and repairing any damaged wiring or connectors, replace the faulty sensor if needed, ensure proper battery voltage, and reset the code after repairs are completed.
6. Will resetting the OBDII code P16E4 (Chevrolet) related to Sensor Communication Circuit 3 Low Voltage solve the issue permanently?
- Resetting the code may temporarily turn off the Check Engine light, but if the underlying problem is not fixed, the code is likely to reappear.
7. How much does it typically cost to repair the Sensor Communication Circuit 3 Low Voltage issue with code P16E4 in a Chevrolet?
- The cost of repairs can vary depending on the exact cause of the issue, but it may involve sensor replacement, wiring repairs, or ECM diagnostics, which can range from $100 to $500 or more.
8. Are there any recalls or technical service bulletins related to OBDII code P16E4 (Chevrolet) Sensor Communication Circuit 3 Low Voltage?
- It is recommended to check with Chevrolet dealership or online resources for any existing recalls or technical service bulletins related to this specific OBDII code.
9. Can a DIY enthusiast with basic automotive knowledge fix the Sensor Communication Circuit 3 Low Voltage issue with code P16E4 in a Chevrolet?
- Depending on the exact cause of the problem, a DIY enthusiast with some experience may be able to diagnose and repair wiring issues or sensor replacement, but more complex issues may require professional help.
10. How urgent is it to address the OBDII code P16E4 (Chevrolet) related to Sensor Communication Circuit 3 Low Voltage?
- It is recommended to address this issue promptly to prevent further damage to the engine and ensure optimal vehicle performance.
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