OBD Guide
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C1A71

Power Steering Control Torque

C1A71 is an OBD-II diagnostic trouble code meaning: Power Steering Control Torque. Common causes: torque sensor malfunction, wiring harness problems. Estimated repair cost: $56–222.

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

Symptoms

  • Heavy steering
  • Uneven steering effort
  • Dashboard warning

Causes

  • Torque sensor malfunction
  • Wiring Harness Problems
  • EUR module failure

How to Fix

  1. Checking error codes with a scanner
  2. Torque Sensor Diagnostics
  3. Checking the integrity of the wiring harness

FAQ

What does the C1A71 code mean?

C1A71 is an OBD-II diagnostic trouble code that indicates: Power Steering Control Torque

What causes a C1A71 error code?

The most common causes of C1A71 include: Torque sensor malfunction; Wiring Harness Problems; EUR module failure.

How do I fix a C1A71 diagnostic trouble code?

To fix C1A71: Checking error codes with a scanner. Torque Sensor Diagnostics. Checking the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1A71?

Limited driving only, diagnose soon

How much does it cost to fix C1A71?

The estimated repair cost for C1A71 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat