DTC Code B1660 – What does this code mean?

<ul> <li><a href="/problems/airbag-light-is-on"><b>Air Bag Warning Light ON</b></a>: The airbag warning light illuminates on the dashboard, indicating a potential issue with the passenger airbag ON/OFF indicator circuit. This symptom suggests a malfunction in the circuit responsible for displaying the status of the passenger airbag, which could be due to a faulty indicator light, wiring issues, or a malfunctioning control module.</li> </ul>

<ul><li>The passenger airbag ON/OFF indicator light may be faulty, leading to incorrect signaling of the airbag status.</li><li>An open or shorted harness in the passenger airbag ON/OFF indicator light can disrupt the circuit, causing malfunction.</li><li>Poor electrical connections in the passenger airbag ON/OFF indicator light circuit can result in intermittent or failed operation.</li><li>A malfunctioning center airbag sensor assembly can affect the communication and functionality of the airbag indicator circuit.</li></ul>

<ul> <li><b>Initial Inspection</b>: Inspect the passenger airbag ON/OFF indicator for any visible damage or disconnection. Ensure the indicator is properly connected to the vehicle's wiring harness.</li> <li><b>Check for Related Codes</b>: Review any related codes such as B1559, B1661, B1662, and B1663 to determine if they are affecting the airbag indicator circuit. Address these codes first if present.</li> <li><b>Wiring and Connector Inspection</b>: Examine the wiring and connectors associated with the passenger airbag indicator circuit for signs of wear, corrosion, or damage. Repair or replace any faulty components.</li> <li><b>Test the Indicator Circuit</b>: Use a multimeter to test the continuity and resistance of the passenger airbag ON/OFF indicator circuit. Ensure the circuit is within the manufacturer's specified range.</li> <li><b>Control Module Check</b>: Inspect the airbag control module for any faults or malfunctions. Reprogram or replace the module if necessary.</li> <li><b>Perform a System Reset</b>: After repairs, reset the airbag system and clear the DTC code. Verify the functionality of the passenger airbag ON/OFF indicator.</li></ul>

<p>The DTC B1660 indicates a <b>Passenger Airbag ON / OFF Indicator Circuit Malfunction</b>. This is a <b>critical</b> issue as it affects the airbag system's functionality, which is vital for passenger safety. A malfunction in this circuit can lead to the airbag not deploying during a collision, increasing the risk of injury. Immediate attention is required to ensure passenger safety.</p>