Error code

OBD2 U0170

OBD2U0170
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Lost Communication With 'Restraints System Sensor A'.

Severity

highDriving may be unsafe due to potential airbag malfunction. It's recommended to have this issue addressed immediately.

Summary

U0170 indicates that there is no communication between the car's computer system and the supplementary restraint system (SRS) sensor A, which is part of the airbag system.

Common Causes

  • Faulty SRS sensor A
  • Data bus issues

Fixes

FAQ

What should I do if my car shows U0170?

It's important to have this issue checked by a professional as soon as possible, since it involves the airbag system which is critical for safety.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.