AutoCodes – Scion – C1370 Scion

C1370 Scion 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 Scion 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 738

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

What does this mean?

What are the Possible Causes of the DTC C1370 Scion?

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

How to Fix the DTC C1370 Scion?

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 Scion 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 Scion Code

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

Symptoms may include transmission shifting issues, engine misfires, decreased fuel efficiency, and illuminated warning lights on the dashboard.

2. What causes the OBDII code C1370 in a Scion?

This code is typically triggered by a mismatch between the engine and transmission control systems, often due to faulty sensors, wiring issues, or software glitches.

3. How can I diagnose the Engine Or Transmission System Matching Error in my Scion?

To diagnose C1370, it's recommended to perform a thorough inspection of the engine and transmission control modules, check for any loose or damaged wiring, and scan for other related trouble codes.

4. Can I drive my Scion with the C1370 code present?

It is not advisable to drive your vehicle with the C1370 code as it may lead to further damage to the engine or transmission systems. It's best to address the issue promptly.

5. How can I repair the Engine Or Transmission System Matching Error in my Scion?

Repairing C1370 may involve resetting the engine and transmission control modules, repairing or replacing faulty sensors, ensuring proper wiring connections, and updating the software if necessary.

6. Will resetting the OBDII code C1370 in my Scion make it go away permanently?

Resetting the code may temporarily clear the warning light, but if the underlying issue causing C1370 is not addressed, the code is likely to reappear. It's crucial to diagnose and repair the root cause.

7. Is it safe to continue driving if the C1370 code intermittently comes and goes in my Scion?

Intermittent occurrences of the C1370 code may indicate an intermittent fault in the engine or transmission systems. While driving may be possible, it's best to have the issue diagnosed and repaired to prevent further problems.

8. Can a DIY enthusiast fix the OBDII code C1370 in a Scion?

If you have the necessary tools, experience, and access to diagnostic information, you may be able to tackle the C1370 code yourself. However, complex issues may require professional assistance.

9. How much does it typically cost to repair the Engine Or Transmission System Matching Error in a Scion?

The cost of repairing C1370 can vary depending on the specific cause of the issue, parts needed for replacement, and labor costs. It's recommended to obtain quotes from reputable mechanics or dealerships.

10. What should I do if the C1370 code persists even after repairs in my Scion?

If the C1370 code persists after repairs, it's essential to reevaluate the diagnosis and repair work done. A comprehensive reinspection may be necessary to identify any lingering issues causing the code to recur.