OBD Guide
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C1898

Steering VAPS Circuit Loop Open

C1898 is an OBD-II diagnostic trouble code meaning: Steering VAPS Circuit Loop Open. Common causes: broken or damaged wiring harness, vaps solenoid valve malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Increased steering effort
  • Uneven steering effort
  • Check Engine Light Is On

Causes

  • Broken or damaged wiring harness
  • VAPS solenoid valve malfunction
  • Problems with the steering control unit
  • Contact corrosion

How to Fix

  1. Check wiring harness for damage
  2. Check the resistance of the VAPS solenoid valve
  3. Check contacts for corrosion
  4. Replace faulty components
  5. Reset the error code and check the system

Related codes

C1897C1899C1900

FAQ

What does the C1898 code mean?

C1898 is an OBD-II diagnostic trouble code that indicates: Steering VAPS Circuit Loop Open

What causes a C1898 error code?

The most common causes of C1898 include: Broken or damaged wiring harness; VAPS solenoid valve malfunction; Problems with the steering control unit; Contact corrosion.

How do I fix a C1898 diagnostic trouble code?

To fix C1898: Check wiring harness for damage. Check the resistance of the VAPS solenoid valve. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1898?

Limited driving only, diagnose soon

How much does it cost to fix C1898?

The estimated repair cost for C1898 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat