OBD Guide

C1A70

Power Steering Control System

C1A70 is an OBD-II diagnostic trouble code meaning: Power Steering Control System. Common causes: torque sensor malfunction, problems with the eur electric motor. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Increased steering effort
  • Amplifier intermittent operation
  • Malfunction indicator (Check Engine or EPS) is on
  • Steering jerks when turning

Causes

  • Torque sensor malfunction
  • Problems with the EUR electric motor
  • Open or shorted wiring harness
  • Failure of the EUR control unit
  • Poor contact in connectors

How to Fix

  1. Check error codes with an OBD-II scanner
  2. Inspect the wiring harness and connectors for damage.
  3. Check torque sensor and motor
  4. Test the EUR control unit
  5. Replace faulty components

Related codes

FAQ

What does the C1A70 code mean?

C1A70 is an OBD-II diagnostic trouble code that indicates: Power Steering Control System

What causes a C1A70 error code?

The most common causes of C1A70 include: Torque sensor malfunction; Problems with the EUR electric motor; Open or shorted wiring harness; Failure of the EUR control unit.

How do I fix a C1A70 diagnostic trouble code?

To fix C1A70: Check error codes with an OBD-II scanner. Inspect the wiring harness and connectors for damage.. Check torque sensor and motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1A70?

Limited driving only, diagnose soon

How much does it cost to fix C1A70?

The estimated repair cost for C1A70 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat