OBD Guide

C1900

Steering VAPS Circuit Loop Short To Ground

C1900 is an OBD-II diagnostic trouble code meaning: Steering VAPS Circuit Loop Short To Ground. Common causes: wiring harness damage, 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
  • Unstable steering force
  • Malfunction indicator (Check Engine or EPS) is on

Causes

  • Wiring harness damage
  • VAPS solenoid valve malfunction
  • Problems with the steering force control unit
  • Short circuit in the circuit

How to Fix

  1. Check wiring harness for damage
  2. Check the resistance of the VAPS solenoid valve
  3. Check the integrity of the control circuit
  4. Replace faulty components
  5. Reset the error and check the system operation

Related codes

FAQ

What does the C1900 code mean?

C1900 is an OBD-II diagnostic trouble code that indicates: Steering VAPS Circuit Loop Short To Ground

What causes a C1900 error code?

The most common causes of C1900 include: Wiring harness damage; VAPS solenoid valve malfunction; Problems with the steering force control unit; Short circuit in the circuit.

How do I fix a C1900 diagnostic trouble code?

To fix C1900: Check wiring harness for damage. Check the resistance of the VAPS solenoid valve. Check the integrity of the control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1900?

Limited driving only, diagnose soon

How much does it cost to fix C1900?

The estimated repair cost for C1900 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat