AutoCodes – Lexus – P0976 Lexus

P0976 Lexus Code - Shift Solenoid 'B' Control Circuit Low

Quick Answer

The Engine Control Module (ECM) commands gear shifts by turning the shift solenoid valves "ON/OFF". Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'B' valve. 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: P0976 Lexus indicates Shift Solenoid 'B' Control Circuit Low.
Common causes: Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'B' valve.
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 3,779

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 May 11, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0976 Lexus Description

The Engine Control Module (ECM) commands gear shifts by turning the shift solenoid valves "ON/OFF". When there is an open or short circuit in any shift solenoid valve circuit, the ECM detects the problem and illuminates the engine light and stores the Diagnostic Trouble Code (DTC), and the ECM performs the fail-safe function and turns the other shift solenoids valves in good condition "ON/OFF".

OBDII Code P0976 Lexus - Shift Solenoid 'B' Control Circuit Low - AutoCodes.com — P0976 Lexus Code - Shift Solenoid 'B' Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC P0976 Lexus?

Low transmission fluid level
Dirty transmission fluid
Faulty shift solenoid 'B' valve
Shift solenoid 'B' valve harness or connectors
Shift solenoid 'B' valve circuit is open or shorted

How to Fix the DTC P0976 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 P0976 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 P0976 Lexus code?

Need more information on how to fix the P0976 Lexus code? Get Access to Factory Service Manuals

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 P0976 Lexus Code

1. What are the common symptoms of OBDII code P0976 in a Lexus?

- Common symptoms include harsh shifting, delayed shifting, transmission slipping, and the transmission going into "limp mode."

2. What can cause the Shift Solenoid 'B' Control Circuit Low code P0976 in a Lexus?

- The code P0976 can be caused by a faulty shift solenoid, damaged wiring or connectors, low transmission fluid level, or a malfunctioning transmission control module.

3. How serious is the Shift Solenoid 'B' Control Circuit Low code P0976 in a Lexus?

- Ignoring the P0976 code can lead to further damage to the transmission and affect the overall drivability of the vehicle. It is recommended to address this issue promptly.

4. Can I drive my Lexus with the P0976 code present?

- It is not recommended to drive your Lexus with the P0976 code present, as it can cause potential transmission issues that may result in further damage.

5. What are some DIY repair tips for the P0976 code in a Lexus?

- DIY repair tips include checking the transmission fluid level, inspecting the wiring and connectors for damage, and testing the shift solenoid for proper operation.

6. How much does it cost to repair the P0976 code in a Lexus?

- The cost of repairing the P0976 code can vary depending on the exact cause of the issue. It is recommended to consult with a professional mechanic for an accurate diagnosis and cost estimate.

7. Can resetting the OBDII codes clear the P0976 code in a Lexus?

- Resetting the OBDII codes may temporarily clear the P0976 code, but if the underlying issue is not addressed, the code is likely to return. It is best to diagnose and fix the root cause of the problem.

8. How long does it take to repair the Shift Solenoid 'B' Control Circuit Low code P0976 in a Lexus?

- The repair time for the P0976 code can vary depending on the specific issue. Simple fixes like replacing a faulty solenoid can be done relatively quickly, while more complex problems may take longer.

9. Can a faulty shift solenoid cause other transmission-related issues in a Lexus?

- Yes, a faulty shift solenoid can cause a range of transmission issues beyond just the P0976 code, including rough shifting, gear slippage, and transmission overheating.

10. Is it necessary to visit a dealership for repairs related to the P0976 code in a Lexus?

- While dealership service departments are equipped to handle these types of issues, independent mechanics and specialized transmission shops can also effectively diagnose and repair the P0976 code in a Lexus.