B1908 Short to Positive in Front Pretensioner Squib Left Circuit

OBD2 Code: B1908

Description: Short to positive in front pretensioner squib left circuit.

Definition: This code indicates that there is a short circuit to the positive voltage in the wiring or connectors associated with the left side front seat belt pretensioner. The pretensioner is a safety device designed to tighten the seatbelt during certain types of collisions, and a short circuit can prevent it from functioning correctly.

b1908: short to positive in front pretensioner squib left circuit – Severity: Moderate

Common Causes

b1908 – Short to Positive in Front Pretensioner Squib Left Circuit

Common causes of this OBD2 code include:

• Faulty front pretensioner squib left circuit
• Short to positive in the wiring harness
• Issues with the airbag control module
• Corrosion or poor connections in the circuit

Common Misdiagnosis

OBD2 Code: B1908

Description: Short to Positive in Front Pretensioner Squib Left Circuit

Common Misdiagnosis: Replacing the airbag control module without checking for wiring issues or connector problems.

Common Diagnostic Steps

html

OBD2 Code: B1908

Description: Short to Positive in Front Pretensioner Squib Left Circuit

• Inspect the wiring and connectors for any signs of damage, corrosion, or disconnection.
• Check the pretensioner squib circuit for continuity using a multimeter.
• Verify that there is no short to power by inspecting the wiring harness for any exposed wires touching positive voltage sources.
• Test the airbag control module for proper operation and ensure it is not sending incorrect signals.
• If equipped, use an OBD2 scanner to clear the code and see if it returns after performing repairs.
• Consult vehicle-specific repair manuals or technical service bulletins (TSBs) for additional diagnostic procedures related to this code.