2021 Kia K5 LXS, FWDFACTORY OEM SERVICE PROCEDURE

OCS Reset Procedure

You should perform OCS Reset procedure after service or replacement about all part of the passenger seat. (Not included full seat assembly)

  1. Ignition "OFF", connect KDS.
  2. Ignition "ON" and Engine "OFF", select S/W Management and "Car model".
  3. Connect the KDS to the vehicle, select "S/W management" or "Car model"
  4. Select OCS and "Body Sensor Reset".
G13835102Courtesy of KIA MOTORS AMERICA, INC.
CAUTION:
  • Erase the SRSCM diagnostic codes after resetting the OCS.
DTC Code Code Name Description
B176300 ECU Defect
  1. Resetting (calibration setting) is not completed.
  2. ECU is damaged from physical stress
B176400 MAT Defect
  1. Mat and ECU are not connected.
  2. Mat is damaged from physical stress.
B17672F Also cut-off
  1. Too much humidity
B111117 IGN voltage high
  1. IGN voltage high
B111216 IGN voltage low
  1. IGN voltage low
B160388 CAN bus off
  1. CAN Bus is not working.
B169787 ACU communication error
  1. CAN Bus is not working.
  2. ACU is not working.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.