OBD Guide
ENFRDEESPT

C2770

Longitudinal Acceleration Sensor Plausibility Failure

C2770 is an OBD-II diagnostic trouble code meaning: Longitudinal Acceleration Sensor Plausibility Failure. Common causes: malfunction of the longitudinal acceleration sensor, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.

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

Symptoms

  • The ESC/ESP lamp on the dashboard is on
  • Disabling the stabilization system
  • Errors in the operation of the passive safety system

Causes

  • Malfunction of the longitudinal acceleration sensor
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Control unit software error

How to Fix

  1. Visually check the sensor and its connection
  2. Check the integrity of the wiring and connectors
  3. Read sensor parameters using a scanner
  4. Replace sensor if necessary
  5. Check and update the control unit software if necessary

Related codes

C2771C2772B00A0

FAQ

What does the C2770 code mean?

C2770 is an OBD-II diagnostic trouble code that indicates: Longitudinal Acceleration Sensor Plausibility Failure

What causes a C2770 error code?

The most common causes of C2770 include: Malfunction of the longitudinal acceleration sensor; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a C2770 diagnostic trouble code?

To fix C2770: Visually check the sensor and its connection. Check the integrity of the wiring and connectors. Read sensor parameters using a scanner. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C2770?

Limited driving only, diagnose soon

How much does it cost to fix C2770?

The estimated repair cost for C2770 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat