AutoCodes – Lexus – C1A70 Lexus

C1A70 Lexus Code - Power Steering Control System

Quick Answer

If the Forward Recognition Camera receives an internal malfunction signal from the Power Steering ECU Assembly, the Diagnostic Trouble Code (DTC) C1A70 is stored. Common causes include Faulty Power Steering ECU Assembly, Faulty Forward Recognition Camera. 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: C1A70 Lexus indicates Power Steering Control System.
Common causes: Common causes include Faulty Power Steering ECU Assembly, Faulty Forward Recognition Camera.
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 222

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 Mar 11, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
Comments
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Code C1A70 Lexus Description

If the Forward Recognition Camera receives an internal malfunction signal from the Power Steering ECU Assembly, the Diagnostic Trouble Code (DTC) C1A70 is stored.

OBDII Code C1A70 Lexus - Power Steering Control System - AutoCodes.com — C1A70 Lexus Code - Power Steering Control System

What does this mean?

What are the Possible Causes of the DTC C1A70 Lexus?

Faulty Power Steering ECU Assembly
Faulty Forward Recognition Camera

How to Fix the DTC C1A70 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 does this mean?

Code Tech Notes

When replacing the Forward Recognition Camera, always replace it with a new one. If a Forward Recognition Camera which was installed in another vehicle is used, the information stored in the Forward Recognition Camera will not match the information from the vehicle. As a result, a DTC may be stored.
If the Forward Recognition Camera has been replaced with a new one, be sure to perform Forward Recognition Camera learning.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1A70 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.