OBD Guide
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C276B

Incorrect Longitudinal Acceleration Sensor Detected

C276B is an OBD-II diagnostic trouble code meaning: Incorrect Longitudinal Acceleration Sensor Detected. Common causes: malfunction of the longitudinal acceleration sensor, problems in the wiring harness to the sensor. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Check Engine Light Is On
  • Disabling the Sverige ESP/ABS system.
  • Unstable operation of cruise control
  • Erroneous alarms of security systems

Causes

  • Malfunction of the longitudinal acceleration sensor
  • Problems in the wiring harness to the sensor
  • Corroded contacts or damaged connectors
  • Control unit malfunction
  • Sensor calibration error

How to Fix

  1. Diagnosis of error codes
  2. Checking the integrity of the wiring harness
  3. Inspecting and cleaning the sensor contacts
  4. Checking Rosetta Sensor Output
  5. Replace the sensor if necessary
  6. Reflashing the control unit (if required)

Related codes

C0035C0040P0571

FAQ

What does the C276B code mean?

C276B is an OBD-II diagnostic trouble code that indicates: Incorrect Longitudinal Acceleration Sensor Detected

What causes a C276B error code?

The most common causes of C276B include: Malfunction of the longitudinal acceleration sensor; Problems in the wiring harness to the sensor; Corroded contacts or damaged connectors; Control unit malfunction.

How do I fix a C276B diagnostic trouble code?

To fix C276B: Diagnosis of error codes. Checking the integrity of the wiring harness. Inspecting and cleaning the sensor contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C276B?

Limited driving only, diagnose soon

How much does it cost to fix C276B?

The estimated repair cost for C276B is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat