OBD Guide
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B1884

PAD Warning Lamp Circuit Fault

B1884 is an OBD-II diagnostic trouble code meaning: PAD Warning Lamp Circuit Fault. Common causes: open or short circuit in wiring harness, pad warning lamp malfunction. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$33–167 (est.)

Symptoms

  • The airbag indicator on the instrument panel is on
  • PAD indicator does not turn on when turning the key
  • PAD indicator flashes continuously

Causes

  • Open or short circuit in wiring harness
  • PAD warning lamp malfunction
  • Problems with the SRS module
  • Corrosion or poor contact in connectors
  • Circuit power problems

How to Fix

  1. Carry out diagnostics of the SCS (Supplemental Constraint System) system
  2. Check the integrity of the wiring harness to the PAD indicator
  3. Check the functionality of the lamp itself
  4. Diagnose power and circuit ground
  5. If necessary, replace faulty components
  6. Reset errors in the SRS module after repair

Related codes

B1885B1000B1021

FAQ

What does the B1884 code mean?

B1884 is an OBD-II diagnostic trouble code that indicates: PAD Warning Lamp Circuit Fault

What causes a B1884 error code?

The most common causes of B1884 include: Open or short circuit in wiring harness; PAD warning lamp malfunction; Problems with the SRS module; Corrosion or poor contact in connectors.

How do I fix a B1884 diagnostic trouble code?

To fix B1884: Carry out diagnostics of the SCS (Supplemental Constraint System) system. Check the integrity of the wiring harness to the PAD indicator. Check the functionality of the lamp itself. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1884?

Do not drive — repair immediately

How much does it cost to fix B1884?

The estimated repair cost for B1884 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat