AutoCodes – Toyota – P1604 2016 Toyota RAV4

P1604 2016 Toyota RAV4 Code - Startability Malfunction

Quick Answer

The P1604 code is stored if the engine does not start or when the engine takes a long time to start, and when the engine speed is low or the engine stalls just after the engine starts. Common causes include Low Battery charge, Starting system, Low quality fuel. 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: P1604 2016 Toyota RAV4 indicates Startability Malfunction.
Common causes: Common causes include Low Battery charge, Starting system, Low quality fuel.
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.

Save to My Repairs Step-by-Step Diagnostic Guide My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,497

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 Sep 06, 2022

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1604 2016 Toyota RAV4 Description

The P1604 code is stored if the engine does not start or when the engine takes a long time to start, and when the engine speed is low or the engine stalls just after the engine starts. The P1604 code is also stored if the vehicle has run out of fuel. It is necessary to check whether there was enough fuel in the fuel tank before performing this inspection.

OBDII Code P1604 2016 Toyota RAV4 - Startability Malfunction - AutoCodes.com — P1604 2016 Toyota RAV4 Code - Startability Malfunction

What does this mean?

What are the Possible Causes of the DTC P1604 2016 Toyota RAV4?

Low Battery charge
Starting system
Low quality fuel
Clogged Fuel filter
Faulty Engine Control Module (ECM)

How to Fix the DTC P1604 2016 Toyota RAV4?

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 P1604 2016 Toyota RAV4 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 P1604 2016 Toyota RAV4 code?

Need more information on how to fix the P1604 2016 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1604 2016 Toyota RAV4 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 P1604 2016 Toyota RAV4 Code

What does the OBDII code P1604 mean on a 2016 Toyota RAV4?

P1604 indicates a "Startability Malfunction," meaning the engine had difficulty starting or failed to start altogether.

What are common symptoms of code P1604 in a Toyota RAV4?

Symptoms include extended cranking time, the engine failing to start, a check engine light, or rough idling after startup.

What causes the P1604 code in a 2016 Toyota RAV4?

Common causes include a weak battery, faulty starter motor, fuel delivery issues, dirty fuel injectors, or problems with the ignition system.

Can a weak battery trigger the P1604 code?

Yes, a weak or failing battery can cause starting issues and trigger the P1604 code.

How do I diagnose the P1604 code on my Toyota RAV4?

Start by checking the battery voltage, inspecting the starter motor, and verifying fuel pressure. Scanning for related codes can also help pinpoint the issue.

Is it safe to drive with the P1604 code active?

Driving may be possible, but itâ€™s risky as the engine could fail to start again. Addressing the issue promptly is recommended.

What should I check first when troubleshooting the P1604 code?

Begin with the battery and starter motor, as these are common culprits. Ensure the battery is fully charged and the starter is functioning properly.

Can dirty fuel injectors cause the P1604 code?

Yes, clogged or dirty fuel injectors can disrupt fuel delivery, making it difficult for the engine to start.

How much does it cost to fix the P1604 code on a Toyota RAV4?

Repair costs vary depending on the cause. A battery replacement may cost $100-$200, while starter motor or fuel system repairs can be more expensive.

Do I need a professional mechanic to fix the P1604 code?

While basic checks like testing the battery can be done at home, diagnosing and repairing more complex issues, such as fuel or ignition problems, may require a professional mechanic.