AutoCodes – Toyota – P1602 2013 Toyota RAV4

P1602 2013 Toyota RAV4 Code - Deterioration of Battery

Quick Answer

The Generator Control ECU assembly monitors battery conditions. Common causes include Faulty Battery, Battery harness is open or shorted, Battery circuit poor electrical connection. 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: P1602 2013 Toyota RAV4 indicates Deterioration of Battery.
Common causes: Common causes include Faulty Battery, Battery harness is open or shorted, Battery circuit poor electrical connection.
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 428

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 14, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1602 2013 Toyota RAV4 Description

The Generator Control ECU assembly monitors battery conditions. If the voltage drops below a certain value while the engine is running (not cranking), the generator control ECU assembly determines the battery has deteriorated and stores this Diagnostic Trouble Code (DTC). The Engine Control Module (ECM) will set the DTC when the battery capacity is abnormally low for 10 seconds or more when the engine is running (not cranking).

OBDII Code P1602 2013 Toyota RAV4 - Deterioration of Battery - AutoCodes.com — P1602 2013 Toyota RAV4 Code - Deterioration of Battery

What does this mean?

What are the Possible Causes of the DTC P1602 2013 Toyota RAV4?

Faulty Battery
Battery harness is open or shorted
Battery circuit poor electrical connection

How to Fix the DTC P1602 2013 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 P1602 2013 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 P1602 2013 Toyota RAV4 code?

Need more information on how to fix the P1602 2013 Toyota RAV4 code? Get Access to Factory Service Manuals

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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 P1602 2013 Toyota RAV4 Code

1. What does OBDII code P1602 mean for a 2013 Toyota RAV4?

- This code indicates a deterioration of the battery in the vehicle's electrical system.

2. What are common symptoms of OBDII code P1602 in a Toyota RAV4?

- Common symptoms include difficulty starting the vehicle, dimming lights, and issues with electrical components.

3. What are the possible causes of OBDII code P1602 in a 2013 Toyota RAV4?

- The main causes can be an aging battery, poor battery connections, or a faulty charging system.

4. How can I diagnose OBDII code P1602 in my Toyota RAV4?

- You can use a diagnostic scanner to read the code and check the battery voltage, connections, and charging system for any issues.

5. Can a weak battery trigger OBDII code P1602 in a Toyota RAV4?

- Yes, a weak or old battery can trigger this code due to its inability to maintain proper voltage levels.

6. What are the repair options for OBDII code P1602 in a 2013 Toyota RAV4?

- Repair options include replacing the battery, cleaning and tightening battery connections, or repairing/replacing the charging system components.

7. Is it safe to continue driving with OBDII code P1602 displayed on a Toyota RAV4?

- It is not recommended to drive with this code as it may lead to unexpected electrical issues or potential stalling of the vehicle.

8. Can resetting the OBDII system clear code P1602 in a Toyota RAV4?

- Resetting the system may temporarily clear the code, but if the underlying issue with the battery deterioration is not addressed, the code is likely to reappear.

9. How often should the battery in a Toyota RAV4 be replaced to prevent OBDII code P1602?

- It is recommended to replace the battery every 3-5 years to avoid issues related to deterioration and prevent OBDII code P1602.

10. Are there any preventive maintenance tips to avoid OBDII code P1602 in a Toyota RAV4?

- Regularly checking the battery health, keeping connections clean and tight, and ensuring proper charging system function can help prevent OBDII code P1602.