OBD Guide

C191E

Malfunction In Signal From Steering Control ECU To Rear Active Stabilizer Control ECU

C191E is an OBD-II diagnostic trouble code meaning: Malfunction In Signal From Steering Control ECU To Rear Active Stabilizer Control ECU. Common causes: open or short circuit in the wiring harness between the control units, poor contact in connectors. Estimated repair cost: $111–333.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$111–333 (est.)

Symptoms

  • Unstable operation of the active rear suspension stabilizer
  • Illumination of the malfunction warning lamp on the instrument panel
  • Deterioration in vehicle handling

Causes

  • Open or short circuit in the wiring harness between the control units
  • Poor contact in connectors
  • Steering control unit malfunction
  • Malfunction of the active rear suspension stabilizer control unit

How to Fix

  1. Check the wiring harness for damage
  2. Check contacts in connectors for oxidation and corrosion
  3. Check the functionality of the steering control unit
  4. Check the operation of the active rear suspension stabilizer control unit
  5. Replace damaged components if necessary

Related codes

FAQ

What does the C191E code mean?

C191E is an OBD-II diagnostic trouble code that indicates: Malfunction In Signal From Steering Control ECU To Rear Active Stabilizer Control ECU

What causes a C191E error code?

The most common causes of C191E include: Open or short circuit in the wiring harness between the control units; Poor contact in connectors; Steering control unit malfunction; Malfunction of the active rear suspension stabilizer control unit.

How do I fix a C191E diagnostic trouble code?

To fix C191E: Check the wiring harness for damage. Check contacts in connectors for oxidation and corrosion. Check the functionality of the steering control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C191E?

Limited driving only, diagnose soon

How much does it cost to fix C191E?

The estimated repair cost for C191E is $111–333. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat