OBD Guide

U11CF

Lost Vehicle Longitudinal Acceleration Message

U11CF is an OBD-II diagnostic trouble code meaning: Lost Vehicle Longitudinal Acceleration Message. Common causes: malfunction of the longitudinal acceleration sensor, open or short circuit in the sensor circuit. Estimated repair cost: $28–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$28–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Disabling stabilization systems
  • Other related trouble codes appear
  • Deterioration of ABS performance in some modes
  • Error message on the dashboard

Causes

  • Malfunction of the longitudinal acceleration sensor
  • Open or short circuit in the sensor circuit
  • Damaged or oxidized connector pins
  • Problems with the control module
  • Software error in ECU

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Inspect and clean the sensor connector contacts
  3. Check the power supply and ground of the sensor
  4. Test or replace the longitudinal acceleration sensor
  5. Flash or replace the control module if necessary

Related codes

FAQ

What does the U11CF code mean?

U11CF is an OBD-II diagnostic trouble code that indicates: Lost Vehicle Longitudinal Acceleration Message

What causes a U11CF error code?

The most common causes of U11CF include: Malfunction of the longitudinal acceleration sensor; Open or short circuit in the sensor circuit; Damaged or oxidized connector pins; Problems with the control module.

How do I fix a U11CF diagnostic trouble code?

To fix U11CF: Check the integrity of the wiring to the sensor. Inspect and clean the sensor connector contacts. Check the power supply and ground of the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U11CF?

Do not drive — repair immediately

How much does it cost to fix U11CF?

The estimated repair cost for U11CF is $28–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat