OBD Guide
ENFRDEESPT

B1015

Diagnosis Sensor Unit

B1015 is an OBD-II diagnostic trouble code meaning: Diagnosis Sensor Unit. Common causes: srs diagnostic module malfunction, problems with module wiring harness. Estimated repair cost: $167–444.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–444 (est.)

Symptoms

  • SRS/airbag indicator is on
  • Airbags don't work
  • The error is not cleared by the scanner

Causes

  • SRS Diagnostic Module Malfunction
  • Problems with module wiring harness
  • Short circuit or open circuit in the power supply
  • Corrosion of connector contacts

How to Fix

  1. Check fault codes with SRS scanner
  2. Inspect the connectors and wiring harness of the module
  3. Check the power supply and ground of the module
  4. If necessary, replace the module and initialize the system
  5. Check the operation of the system after repair

Related codes

B1000B1010B1020

FAQ

What does the B1015 code mean?

B1015 is an OBD-II diagnostic trouble code that indicates: Diagnosis Sensor Unit

What causes a B1015 error code?

The most common causes of B1015 include: SRS Diagnostic Module Malfunction; Problems with module wiring harness; Short circuit or open circuit in the power supply; Corrosion of connector contacts.

How do I fix a B1015 diagnostic trouble code?

To fix B1015: Check fault codes with SRS scanner. Inspect the connectors and wiring harness of the module. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1015?

Do not drive — repair immediately

How much does it cost to fix B1015?

The estimated repair cost for B1015 is $167–444. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat