AutoCodes – Lexus – C2310 Lexus

C2310 Lexus Code - Open Or Short Circuit In Battery Circuit

Quick Answer

The battery voltage is constantly applied to terminal BATT. Common causes include Faulty Transmission Control ECU, Transmission Control ECU harness is open or shorted, Transmission Control ECU 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
C2310 Lexus indicates Open Or Short Circuit In Battery Circuit.
Common causes
Common causes include Faulty Transmission Control ECU, Transmission Control ECU harness is open or shorted, Transmission Control ECU 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,153
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code C2310 Lexus Description

The battery voltage is constantly applied to terminal BATT. The terminal BATT voltage is used to power the Transmission Control ECU memory. The Transmission Control ECU outputs this Diagnostic Trouble Code (DTC) when it detects a malfunction related to terminal BATT. When there is an open or short in the BATT circuit, information on the actuator position ("P position" or "non-P position") stored in the Transmission Control ECU is cleared every time the power switch is turned off. Therefore, the ECU works to recognize the position each time the power switch is turned on (IG). As a result, the time from when the power switch is turned on (IG) until "READY ON" is indicated may become longer than normal.
OBDII Code C2310 Lexus - Open Or Short Circuit In Battery Circuit - AutoCodes.com
C2310 Lexus Code - Open Or Short Circuit In Battery Circuit

What are the Possible Causes of the DTC C2310 Lexus?

  • Faulty Transmission Control ECU
  • Transmission Control ECU harness is open or shorted
  • Transmission Control ECU circuit poor electrical connection

How to Fix the DTC C2310 Lexus?

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 C2310 Lexus 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 C2310 Lexus code?

Need more information on how to fix the C2310 Lexus code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C2310 Lexus 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 C2310 Lexus Code

1. What are common symptoms of OBDII code C2310 in a Lexus related to an open or short circuit in the battery circuit?

The common symptoms include issues with starting the vehicle, dimming or flickering lights, and problems with electrical components.

2. What are the possible causes of OBDII code C2310 in a Lexus indicating an open or short circuit in the battery circuit?

Potential causes include damaged wiring, loose connections, faulty battery terminals, or a malfunctioning battery.

3. How can I diagnose the source of the open or short circuit causing OBDII code C2310 in my Lexus?

You can use a multimeter to test the continuity of the wiring, inspect battery terminals for corrosion or damage, and check for loose connections in the battery circuit.

4. Can a DIY enthusiast repair an open or short circuit causing OBDII code C2310 in a Lexus?

Depending on the severity of the issue, DIY repairs may be possible such as fixing loose connections or replacing damaged wiring. However, complex electrical problems may require professional assistance.

5. What are some tips for preventing OBDII code C2310 related to open or short circuits in the battery circuit of a Lexus?

Regularly inspecting the battery terminals, checking the condition of the wiring harness, and ensuring all connections are secure can help prevent this issue.

6. Will driving my Lexus with OBDII code C2310 indicating an open or short circuit in the battery circuit cause further damage?

Continuing to drive with this issue can potentially lead to electrical system failures, reduced battery life, and other related problems. It is recommended to address the problem promptly.

7. How much does it typically cost to repair an open or short circuit causing OBDII code C2310 in a Lexus at a dealership or mechanic?

The cost of repair can vary depending on the extent of the issue and the labor rates of the service provider. It's advisable to get a diagnosis and quote from a professional.

8. Can resetting the OBDII system clear the C2310 code related to an open or short circuit in the battery circuit of a Lexus?

Resetting the system may temporarily clear the code, but it is crucial to address the underlying issue causing the code to prevent it from reoccurring.

9. Are there any recalls or technical service bulletins related to OBDII code C2310 on Lexus vehicles?

It is recommended to check with a Lexus dealership or visit the manufacturer's website to inquire about any recalls or technical service bulletins related to this specific OBDII code.

10. How long does it typically take to diagnose and repair OBDII code C2310 indicating an open or short circuit in the battery circuit of a Lexus?

The duration of diagnosis and repair can vary based on the complexity of the issue and availability of parts. It is best to consult with a professional technician for a more accurate estimate.

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