Engine-CodesGeneric – P1616

P1616 Code - Engine Control Relay Circuit Malfunction

Quick Answer

The P1616 code indicates an engine control relay circuit malfunction. Common causes include Faulty engine control relay, Damaged wiring or connectors in the relay circuit, Blown fuse related to the engine control 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
P1616 indicates Engine Control Relay Circuit Malfunction.
Common causes
Common causes include Faulty engine control relay, Damaged wiring or connectors in the relay circuit, Blown fuse related to the engine control 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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1616 Description

The P1616 code indicates an engine control relay circuit malfunction. This means that there is a problem with the relay that controls the engine's operation. The engine control relay is responsible for sending power to various engine components, such as the fuel injectors, ignition system, and other crucial systems. When this relay malfunctions, it can cause a variety of issues with the vehicle's performance.

OBDII Code P1616 - Engine Control Relay Circuit Malfunction
P1616 Code - Engine Control Relay Circuit Malfunction

Common Causes of P1616

  1. Faulty engine control relay
  2. Damaged wiring or connectors in the relay circuit
  3. Blown fuse related to the engine control relay
  4. Issues with the engine control module (ECM)
  5. Corrosion or poor connections in the relay circuit

Symptoms of P1616

  1. Engine stalling or rough idling
  2. Difficulty starting the vehicle
  3. Loss of power while driving
  4. Engine misfires
  5. Check Engine Light illuminated

How to Fix P1616

  1. Diagnose the specific cause of the malfunction by using a scan tool to read the fault codes and perform a thorough inspection of the engine control relay circuit.
  2. Replace the faulty engine control relay if it is determined to be the cause of the issue.
  3. Repair or replace any damaged wiring or connectors in the relay circuit.
  4. Check and replace any blown fuses related to the engine control relay.
  5. Test the system after repairs are made to ensure the issue has been resolved.

Cost to Fix P1616

The typical repair costs for addressing a P1616 code can vary depending on the specific cause of the issue and the necessary repairs. On average, the cost of parts for a new engine control relay can range from $50 to $150, while the labor costs can range from $100 to $200. Additional costs may apply if there are other components that need to be replaced or repaired. It is advisable to check with local auto repair shops for more accurate cost estimates based on the specific vehicle make and model. Labor rates at auto repair shops typically range between $80 and $150 per hour.

Need more information about the P1616 code?

Need more information on how to fix the P1616 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1616 code diagnosed by a professional: Find a repair shop in your area

Code P1616 Information for Specific Makes

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 P1616 Code

No Frequently Asked Questions about P1616 Code found.

Discuss the causes and fixes for P1616 OBDII Code

Code P1616 comments

No comments found for this page.