U0101:87 Toyota Code - Lost Communication With Transmission Control Module Missing Message
Quick Answer
The engine control unit and the transmission control unit are located inside the Engine Control Module (ECM). Common causes include Faulty Engine Control Module (ECM), Engine Control Module (ECM) harness is open or shorted, Engine Control Module (ECM) 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
- U0101:87 Toyota indicates Lost Communication With Transmission Control Module Missing Message.
- Common causes
- Common causes include Faulty Engine Control Module (ECM), Engine Control Module (ECM) harness is open or shorted, Engine Control Module (ECM) 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.
Code U0101:87 Toyota Description
What are the Possible Causes of the DTC U0101:87 Toyota?
- Faulty Engine Control Module (ECM)
- Engine Control Module (ECM) harness is open or shorted
- Engine Control Module (ECM) circuit poor electrical connection
How to Fix the DTC U0101:87 Toyota?
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 U0101:87 Toyota 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 U0101:87 Toyota code?
Need more information on how to fix the U0101:87 Toyota code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U0101:87 Toyota code diagnosed by a professional: Find a repair shop in your area
Information for Specific Toyota Models
- U0101 2013 Toyota RAV4 — Lost Communication with Transmission Control Module
- U0101 2014 Toyota RAV4 — Lost Communication with Transmission Control Module
- U0101 2015 Toyota RAV4 — Lost Communication with Transmission Control Module
- U0101 2016 Toyota RAV4 — Lost Communication with Transmission Control Module
- U0101 2017 Toyota RAV4 — Lost Communication with Transmission Control Module
- U0101 2018 Toyota RAV4 — Lost Communication with Transmission Control Module
Frequently Asked Questions about U0101:87 Toyota Code
1. What does the OBDII code U0101 mean for my 2007 Toyota Camry?
- The code U0101 indicates a communication problem between the Engine Control Module (ECM) and the Transmission Control Module (TCM).
2. What are common symptoms of the U0101 code in a Toyota vehicle?
- Common symptoms include transmission shifting issues, stalling, reduced fuel efficiency, and the illumination of the check engine light.
3. What are possible causes of the U0101 code in a 2007 Toyota Camry?
- The U0101 code in a Toyota Camry is often caused by a faulty TCM, damaged wiring or connectors, a software glitch, or a malfunctioning ECM.
4. How can I diagnose the U0101 code in my Toyota Camry?
- Diagnosing the U0101 code involves using a diagnostic scanner to retrieve the code, checking for other related codes, inspecting the wiring and connectors, and testing the TCM and ECM.
5. Can I drive my Toyota Camry with the U0101 code?
- It is not recommended to drive your Toyota Camry with the U0101 code, as it can lead to further transmission problems and potential safety hazards.
6. How can I repair the U0101 code in my Toyota Camry?
- Repairing the U0101 code may involve repairing or replacing damaged wiring, connectors, or components, reprogramming the TCM or ECM, or seeking professional assistance from a mechanic.
7. Is the U0101 code a common issue in Toyota vehicles?
- The U0101 code, indicating lost communication with the TCM, is a common issue in Toyota vehicles, particularly in models with electronic transmission control systems.
8. How much does it cost to fix the U0101 code in a Toyota Camry?
- The cost to fix the U0101 code in a Toyota Camry can vary depending on the specific cause of the issue, but it may range from $200 to $800 or more, including parts and labor.
9. Can I reset the U0101 code in my Toyota Camry using an OBDII scanner?
- While you can use an OBDII scanner to clear the U0101 code, it is important to diagnose and address the root cause of the communication problem to prevent the code from reappearing.
10. Are there any recalls related to the U0101 code in Toyota vehicles?
- There may be recalls related to the U0101 code in certain Toyota models, so it is recommended to check with the manufacturer or a dealership for any relevant recall information.
Discuss the causes and fixes for U0101:87 Toyota OBDII Code
Code U0101:87 Toyota comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
