C1278: STEERING Wheel Angle 1and 2 Signal Faulted

MediumChassisSteering

What does C1278 mean?

C1278 is a diagnostic trouble code indicating "STEERING Wheel Angle 1and 2 Signal Faulted". This code relates to your vehicle's steering and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Common causes

  • Faulty steering component
  • Wiring or connector issue in the related circuit
  • Failed sensor providing incorrect readings
  • Software/calibration issue requiring ECU update
  • Related component causing secondary fault

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

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Code C1278 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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Related codes

C1277STEERING Wheel Angle 1and 2 Circuit Failure
C1441Steering Phase A Circuit Signal Is Not Sensed
C1442Steering Phase B Circuit Signal Is Not Sensed
C1443Steering Phase A Circuit Short To Ground