AutoCodes – Toyota – P1605 2015 Toyota RAV4

P1605 2015 Toyota RAV4 Code - Engine Rough Idling

Quick Answer

After starting the engine, this Diagnostic Trouble Code (DTC) is stored if the engine speed drops below the set speed. Common causes include Air Leak in Intake System, Faulty Mass Air Flow (MAF) sensor, Faulty Engine Coolant Temperature 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: P1605 2015 Toyota RAV4 indicates Engine Rough Idling.
Common causes: Common causes include Air Leak in Intake System, Faulty Mass Air Flow (MAF) sensor, Faulty Engine Coolant Temperature 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 800

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
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Code P1605 2015 Toyota RAV4 Description

After starting the engine, this Diagnostic Trouble Code (DTC) is stored if the engine speed drops below the set speed. With the engine running, the engine stops (the engine speed drops to 200 RPM or less) without the ignition switch being operated for 0.5 seconds or more. It is necessary to check if the vehicle has run out of fuel before performing troubleshooting, as this DTC is also stored when the engine stalls due to running out of fuel.

OBDII Code P1605 2015 Toyota RAV4 - Engine Rough Idling - AutoCodes.com — P1605 2015 Toyota RAV4 Code - Engine Rough Idling

What does this mean?

What are the Possible Causes of the DTC P1605 2015 Toyota RAV4?

Air Leak in Intake System
Faulty Mass Air Flow (MAF) sensor
Faulty Engine Coolant Temperature Sensor
Faulty Fuel Pump
Faulty Throttle Body Assembly
Faulty Engine Control Module (ECM)

How to Fix the DTC P1605 2015 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 P1605 2015 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 P1605 2015 Toyota RAV4 code?

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Need Help with the 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.

Frequently Asked Questions about P1605 2015 Toyota RAV4 Code

1. What are common symptoms of OBDII code P1605 in a 2015 Toyota RAV4?

- Common symptoms include engine rough idling, stalling, and a decrease in overall engine performance.

2. What could cause the OBDII code P1605 in a 2015 Toyota RAV4?

- The P1605 code in a 2015 Toyota RAV4 is often triggered by issues with the engine control module (ECM) or related electrical circuits.

3. How does OBDII code P1605 affect engine rough idling in a 2015 Toyota RAV4?

- The P1605 code can disrupt the ECM's ability to properly control engine functions, leading to rough idling and other performance issues.

4. Can a dirty air filter trigger the OBDII code P1605 in a 2015 Toyota RAV4?

- While a dirty air filter can impact engine performance, it is unlikely to directly cause the P1605 code. Focus on ECM-related issues when diagnosing this code.

5. What are some DIY repair tips for addressing the OBDII code P1605 in a 2015 Toyota RAV4?

- DIY repair tips for P1605 may include checking and cleaning ECM connectors, inspecting wiring for damage, and ensuring proper ECM grounding.

6. Is it safe to continue driving a 2015 Toyota RAV4 with OBDII code P1605 and engine rough idling?

- It is not recommended to drive with the P1605 code present, as it can lead to further engine damage and potential safety hazards. Seek diagnosis and repair promptly.

7. How can a professional mechanic diagnose the OBDII code P1605 in a 2015 Toyota RAV4?

- A professional mechanic can use a scan tool to read the code, perform a thorough inspection of the ECM and related components, and conduct electrical tests to pinpoint the issue.

8. Are there any recalls or technical service bulletins related to OBDII code P1605 in a 2015 Toyota RAV4?

- Check with Toyota or authorized service centers for any recalls or technical service bulletins related to the P1605 code to see if there are known issues or recommended fixes.

9. Can resetting the ECM clear the OBDII code P1605 in a 2015 Toyota RAV4?

- Resetting the ECM may temporarily clear the code, but it is important to address the underlying issue causing the P1605 code to prevent it from reoccurring.

10. What is the typical cost to repair OBDII code P1605 in a 2015 Toyota RAV4 at a dealership or repair shop?

- The cost to repair the P1605 code can vary depending on the exact cause of the issue, but expect to pay for diagnostic time, parts, and labor, which may range from $200 to $500 or more.