B1802 Short to GND in Driver Side Squib Circuit

OBD2 Code: B1802

Description: Short to ground in the driver side airbag squib circuit.

Definition: This code indicates that there is a short circuit to ground detected in the driver’s side airbag squib circuit. The squib is an electrical component used to deploy the airbag, and a short to ground can prevent proper deployment, posing a safety risk.

b1802: Short to Ground in Driver Side Squib Circuit

Severity: Moderate

Common Causes

b1802 – Short to GND in Driver Side Squib Circuit

Common Causes:

• Faulty driver side airbag module
• Short circuit in the wiring harness of the driver side squib circuit
• Corrosion or poor connection at the connectors related to the driver side squib circuit
• Issues with the clock spring in the steering column

Common Misdiagnosis

OBD2 Code: B1802

Description: Short to Ground in Driver Side Squib Circuit

Common Misdiagnosis:

• Faulty airbag module instead of wiring issues.
• Blaming the clock spring without checking the entire circuit.
• Assuming a defective airbag when the issue is with connectors or terminals.

Common Diagnostic Steps

OBD2 Code: B1802

Description: Short to Ground in Driver Side Squib Circuit

• Check the airbag system fuse and replace if necessary.
• Inspect the wiring harness for any signs of damage, wear, or corrosion.
• Examine the connectors for secure connections and any signs of damage or corrosion.
• Test the driver side squib circuit resistance using a multimeter to ensure it is within specifications.
• If equipped, use an OBD2 scanner to clear the code and see if it returns after repairs are made.
• If the issue persists, consider consulting a professional technician for further diagnosis and repair.