OBD Codes

B0160

Push Button Start Switch Circuit Malfunction

Severeelectrical

Overview

The B0160 code indicates that the body control module has detected a push button start switch circuit malfunction condition. This relates to the vehicle's body electrical systems, which control comfort, convenience, and safety features. When this code is stored, the affected system or component may not operate correctly, potentially impacting safety or comfort features.

Symptoms

  • Airbag warning light illuminated on dashboard
  • Audio system not powering on
  • Turn signals flashing rapidly or not at all
  • Door locks not responding to remote or switch

Common Causes

  • Corroded battery terminals
  • Faulty SRS/airbag control module
  • Failed window/lock/seat motor
  • Water intrusion into electrical connectors

Diagnosis Steps

  1. 1Connect an OBD-II scanner and read all stored body control module trouble codes
  2. 2Inspect the affected circuit fuse and relay; replace if blown or faulty
  3. 3Check the wiring harness and connectors for damage, corrosion, or loose pins
  4. 4Test circuit voltage and ground with a multimeter at the affected component
  5. 5Verify battery voltage is within specification (12.4V+ engine off)

Estimated Repair Cost

$75$800

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

Commonly Affected Vehicles

Ford F-150Chevrolet SilveradoVolkswagen JettaToyota Camry

Related Codes

More Electrical Codes

Frequently Asked Questions

Driving with the airbag warning light on means the SRS system may not deploy in a crash, which significantly increases injury risk. Have the system inspected as soon as possible.