B1400 KIA - SIS Front-Driver Defect

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

B1400 KIA Possible Causes

  • Faulty Front-Driver Side Impact Sensor (SIS)
  • Front-Driver Side Impact Sensor (SIS) harness is open or shorted
  • Front-Driver Side Impact Sensor (SIS) circuit poor electrical connection
  • Faulty Supplemental Restraints System Control Module (SRSCM)

How do I fix code B1400 KIA?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Cost of diagnosing the B1400 KIA code

Labor: 1.0

The cost of diagnosing the B1400 KIA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Air Bag Warning Light ON

B1400 KIA Description

The Side Impact Sensor (SIS) is located on both side of the center pillar detects a broad collision. When SIS delivers collision signal to Supplemental Restraints System Control Module (SRSCM), SRSCM checks if safing sensor located in SRSCM detects a collision. and if both SIS and the safing sensor detects collision simultaneously, SRSCM operates side air bag.
OBDII Code B1400 Kia - SIS Front-Driver Defect - AutoCodes.com

More Information

Need more information on how to fix the B1400 KIA code?
Get Access to Factory Service Manuals

Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

  • Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
  • Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
  • Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
  • Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.
Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

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