OBD Guide
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C1672

Incomplete Actuator Adjustment

C1672 is an OBD-II diagnostic trouble code meaning: Incomplete Actuator Adjustment. Common causes: mechanical locking of the actuator, problems with the wiring harness or connectors. Estimated repair cost: $56–167.

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

Symptoms

  • Unstable engine idling
  • Reduced engine power
  • Check Engine Light Illuminates
  • Dips during acceleration

Causes

  • Mechanical locking of the actuator
  • Problems with the wiring harness or connectors
  • Malfunction of the solenoid valve (solenoid)
  • Low battery voltage
  • ECU software error

How to Fix

  1. Check battery condition and system voltage
  2. Inspect the wiring harness and connectors for damage.
  3. Check the mechanical freedom of movement of the actuator
  4. Test the operation of solenoids and sensors
  5. Perform the adaptation procedure using a scanner
  6. If necessary, replace the faulty component

Related codes

P0010P0011P0121P0222

FAQ

What does the C1672 code mean?

C1672 is an OBD-II diagnostic trouble code that indicates: Incomplete Actuator Adjustment

What causes a C1672 error code?

The most common causes of C1672 include: Mechanical locking of the actuator; Problems with the wiring harness or connectors; Malfunction of the solenoid valve (solenoid); Low battery voltage.

How do I fix a C1672 diagnostic trouble code?

To fix C1672: Check battery condition and system voltage. Inspect the wiring harness and connectors for damage.. Check the mechanical freedom of movement of the actuator. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1672?

Limited driving only, diagnose soon

How much does it cost to fix C1672?

The estimated repair cost for C1672 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat