OBD Guide
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C1920

VAPS Solenoid Actuator

C1920 is an OBD-II diagnostic trouble code meaning: VAPS Solenoid Actuator. Common causes: faulty vaps solenoid valve, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Change in steering effort for no reason
  • Check Engine Light Is On
  • Steering becomes too light or heavy

Causes

  • Faulty VAPS solenoid valve
  • Open or short circuit in wiring harness
  • Problems with power or grounding of the circuit
  • Mechanical valve jamming
  • Malfunction of the power steering control module

How to Fix

  1. Diagnostics with an OBD-II scanner to confirm the code
  2. Checking the solenoid resistance (compare with standards)
  3. Visually inspect the wiring harness for damage
  4. Checking the voltage and continuity of the control circuit
  5. Replacing a faulty VAPS solenoid if necessary
  6. Reset error and recheck

Related codes

C1910C1921C1925

FAQ

What does the C1920 code mean?

C1920 is an OBD-II diagnostic trouble code that indicates: VAPS Solenoid Actuator

What causes a C1920 error code?

The most common causes of C1920 include: Faulty VAPS solenoid valve; Open or short circuit in wiring harness; Problems with power or grounding of the circuit; Mechanical valve jamming.

How do I fix a C1920 diagnostic trouble code?

To fix C1920: Diagnostics with an OBD-II scanner to confirm the code. Checking the solenoid resistance (compare with standards). Visually inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1920?

Limited driving only, diagnose soon

How much does it cost to fix C1920?

The estimated repair cost for C1920 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat