OBD Guide
ENFRDEESPT

C194B

Open In Front Motor Driver Circuit

C194B is an OBD-II diagnostic trouble code meaning: Open In Front Motor Driver Circuit. Common causes: broken or damaged wiring harness, motor fault. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Power Loss
  • Malfunction indicator lights up
  • Disabling the regenerative braking system
  • The vehicle goes into emergency mode

Causes

  • Broken or damaged wiring harness
  • Motor fault
  • Contact corrosion
  • Problems with the control unit
  • Open power or ground circuit

How to Fix

  1. Check the integrity of the wiring harness for breaks or damage
  2. Check connections and contacts for corrosion
  3. Check the operation of the electric motor
  4. Check circuit power and grounding
  5. Diagnose the control unit for faults

Related codes

C194AC194CP0A80

FAQ

What does the C194B code mean?

C194B is an OBD-II diagnostic trouble code that indicates: Open In Front Motor Driver Circuit

What causes a C194B error code?

The most common causes of C194B include: Broken or damaged wiring harness; Motor fault; Contact corrosion; Problems with the control unit.

How do I fix a C194B diagnostic trouble code?

To fix C194B: Check the integrity of the wiring harness for breaks or damage. Check connections and contacts for corrosion. Check the operation of the electric motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C194B?

Limited driving only, diagnose soon

How much does it cost to fix C194B?

The estimated repair cost for C194B is $167–556. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat