AutoCodes – Toyota – P1602 2017 Toyota RAV4

P1602 2017 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 2017 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 354
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 14, 2022
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Code P1602 2017 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 2017 Toyota RAV4 - Deterioration of Battery - AutoCodes.com
P1602 2017 Toyota RAV4 Code - Deterioration of Battery

What are the Possible Causes of the DTC P1602 2017 Toyota RAV4?

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

How to Fix the DTC P1602 2017 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 2017 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 2017 Toyota RAV4 code?

Need more information on how to fix the P1602 2017 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1602 2017 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 P1602 2017 Toyota RAV4 Code

1. What are the common symptoms of OBDII code P1602 in a 2017 Toyota RAV4 indicating battery deterioration?

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

2. What can cause the OBDII code P1602 to trigger in a 2017 Toyota RAV4 related to battery deterioration?

- The code can be triggered by a weak or failing battery, poor battery connections, or issues with the vehicle's charging system.

3. How can I diagnose the cause of OBDII code P1602 in my 2017 Toyota RAV4 related to battery deterioration?

- You can start by testing the battery voltage, checking the battery connections, and inspecting the alternator for proper functioning.

4. What are the potential risks of ignoring OBDII code P1602 in a 2017 Toyota RAV4 due to battery deterioration?

- Ignoring the code can lead to complete battery failure, leaving you stranded or causing damage to other electrical components in your vehicle.

5. Can I continue driving my 2017 Toyota RAV4 with OBDII code P1602 related to battery deterioration?

- It is not recommended to continue driving the vehicle as the battery issues can worsen, leading to potential safety hazards.

6. How can I repair OBDII code P1602 in my 2017 Toyota RAV4 indicating battery deterioration?

- To repair the issue, you may need to replace the battery, clean or tighten the battery connections, or repair any faults in the charging system.

7. Is it possible to reset OBDII code P1602 in a 2017 Toyota RAV4 after addressing the battery deterioration issue?

- After resolving the underlying battery problem, you can reset the code using an OBDII scanner to clear the fault code.

8. What are some preventive maintenance tips to avoid OBDII code P1602 in a 2017 Toyota RAV4 related to battery deterioration?

- Regularly inspect and maintain your vehicle's battery, terminals, and charging system to prevent issues that can trigger the code.

9. Can extreme weather conditions affect the likelihood of OBDII code P1602 in a 2017 Toyota RAV4 due to battery deterioration?

- Yes, extreme temperatures can impact battery health and contribute to the triggering of this code, especially in very hot or cold climates.

10. How long does it typically take to repair OBDII code P1602 in a 2017 Toyota RAV4 caused by battery deterioration?

- The repair time can vary depending on the exact cause, but replacing a battery or fixing connections usually takes about 30 minutes to a few hours.

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