◆OBD Codes

C0255

Active Suspension Actuator Circuit Open (Front Right)

Moderateelectrical

Overview

The C0255 code indicates that the chassis control module has detected a active suspension actuator circuit open (front right) condition. This relates to the vehicle's chassis systems including ABS, stability control, steering, and suspension. A fault in these systems can affect vehicle safety and handling, and should be diagnosed and repaired promptly.

Symptoms

  • Intermittent electrical failures
  • Multiple warning lights on dashboard
  • Electrical accessories malfunctioning
  • Erratic gauge readings

Common Causes

  • Faulty engine control module (ECM/PCM)
  • Short or open circuit in wiring
  • Corroded or damaged wiring connectors
  • Failed relay or fuse

Diagnosis Steps

  1. 1Connect an OBD-II scanner and read all stored trouble codes and freeze frame data
  2. 2Check battery voltage and charging system output with a multimeter
  3. 3Inspect wiring and connectors related to the trouble code
  4. 4Test circuit voltage, ground, and resistance with a multimeter
  5. 5Check related fuses and relays

Estimated Repair Cost

$75 — $400

Cost varies by vehicle, location, and repair shop. Includes parts and labor.

Commonly Affected Vehicles

Ford F-150Chevrolet SilveradoToyota TundraMercedes-Benz C-Class

Related Codes

P0562P0600P0340

More Electrical Codes

B0001Driver Frontal Airbag Deployment Loop Circuit Open
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B0002Driver Frontal Airbag Deployment Loop Circuit Short to Ground
Critical
B0003Driver Frontal Airbag Deployment Loop Circuit Short to Battery
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B0004Driver Frontal Airbag Deployment Loop Resistance Too High
Critical
B0005Driver Frontal Airbag Deployment Loop Resistance Too Low
Critical
B0006Passenger Frontal Airbag Deployment Loop Circuit Open
Critical

Frequently Asked Questions

Electrical codes can be challenging because they often involve intermittent issues. A thorough inspection of wiring, connectors, and grounds with a multimeter is essential for accurate diagnosis.