AutoCodes – Lexus – C1370 Lexus

C1370 Lexus Code - Engine Or Transmission System Matching Error

Quick Answer

This Diagnostic Trouble Code (DTC) is set by the Skid Control ECU when the Engine Control Module (ECM) is replaced with one that has different engine and transmission information than the information stored in the Skid Control ECU. Common causes include Faulty VSC Actuator Assembly (Skid Control ECU), Faulty Engine Control Module (ECM). 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: C1370 Lexus indicates Engine Or Transmission System Matching Error.
Common causes: Common causes include Faulty VSC Actuator Assembly (Skid Control ECU), Faulty Engine Control Module (ECM).
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 1,036

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 20, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1370 Lexus Description

This Diagnostic Trouble Code (DTC) is set by the Skid Control ECU when the Engine Control Module (ECM) is replaced with one that has different engine and transmission information than the information stored in the Skid Control ECU. This DTC is also set when the VSC Actuator Assembly (Skid Control ECU) is replaced with one that has different engine and transmission information than the information stored in the ECM.

OBDII Code C1370 Lexus - Engine Or Transmission System Matching Error - AutoCodes.com — C1370 Lexus Code - Engine Or Transmission System Matching Error

What does this mean?

What are the Possible Causes of the DTC C1370 Lexus?

Faulty VSC Actuator Assembly (Skid Control ECU)
Faulty Engine Control Module (ECM)

How to Fix the DTC C1370 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 C1370 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.

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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 C1370 Lexus Code

1. What are the common symptoms of OBDII code C1370 in a Lexus?

- Common symptoms include rough shifting, hesitation during acceleration, and illuminated check engine light.

2. What does the OBDII code C1370 in a Lexus indicate?

- The code C1370 indicates an Engine Or Transmission System Matching Error in the vehicle.

3. What are some possible causes of the OBDII code C1370 in a Lexus?

- Possible causes include faulty engine control module (ECM), transmission control module (TCM), wiring issues, or sensor malfunctions.

4. How can I diagnose the OBDII code C1370 in my Lexus?

- Diagnosing the code may require a scan tool to retrieve the code, as well as conducting tests on the ECM, TCM, and related components to pinpoint the issue.

5. Can I drive my Lexus with the OBDII code C1370 present?

- It is not recommended to drive the vehicle with the code C1370 present, as it may lead to further damage to the engine or transmission systems.

6. How can I repair the OBDII code C1370 in my Lexus?

- Repairing the code may involve checking and repairing any wiring issues, replacing faulty sensors, or reprogramming the ECM and TCM to resolve the matching error.

7. Is it necessary to reset the OBDII code C1370 after repairs?

- Yes, it is important to clear the code after repairs are made to ensure the issue has been resolved and to turn off the check engine light.

8. Are there any DIY fixes for the OBDII code C1370 in a Lexus?

- DIY fixes may include checking and cleaning electrical connections, inspecting wiring for damage, or replacing sensors if needed.

9. Can a mechanic help me fix the OBDII code C1370 in my Lexus?

- Yes, a qualified mechanic can diagnose and repair the code C1370 in your Lexus using specialized tools and expertise.

10. How can I prevent the OBDII code C1370 from recurring in my Lexus?

- Regular maintenance, such as checking and replacing sensors as needed, ensuring proper wiring connections, and addressing any ECM or TCM issues promptly, can help prevent the code from recurring.