OBD Guide
ENFRDEESPT

B1803

Short To Positive In Driver Side Squib Circuit

B1803 is an OBD-II diagnostic trouble code meaning: Short To Positive In Driver Side Squib Circuit. Common causes: wiring harness damage, squib malfunction. Estimated repair cost: $56–167.

Severity
🚨 Critical
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light is on
  • The passive safety system does not work
  • Error B1803 in the control unit memory

Causes

  • Wiring harness damage
  • Squib malfunction
  • Problems in the SRS control unit
  • Short circuit to positive in the circuit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the condition of the squib contacts
  3. Measure the resistance of the squib
  4. Check the SRS control unit for errors
  5. If necessary, replace the squib or repair the wiring harness

Related codes

B1800B1801B1802

FAQ

What does the B1803 code mean?

B1803 is an OBD-II diagnostic trouble code that indicates: Short To Positive In Driver Side Squib Circuit

What causes a B1803 error code?

The most common causes of B1803 include: Wiring harness damage; Squib malfunction; Problems in the SRS control unit; Short circuit to positive in the circuit.

How do I fix a B1803 diagnostic trouble code?

To fix B1803: Check the integrity of the wiring harness. Check the condition of the squib contacts. Measure the resistance of the squib. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1803?

Do not drive — repair immediately

How much does it cost to fix B1803?

The estimated repair cost for B1803 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat