01321: Difference between revisions

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Table Of Contents

1. 01321 - Control Module for Airbags (J234)
- 1.1.1 01321 - Control Module for Airbags (J234)
  - 1.1.1.2 Possible Symptoms
  - 1.1.2.2 Possible Causes
  - 1.1.3.2 Possible Solutions
- 1.2.1 01321 - Control Module for Airbags (J234): No Signal/Communication
  - 1.2.1.6 Possible Symptoms
  - 1.2.2.6 Possible Causes
  - 1.2.3.6 Possible Solutions

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Revision as of 16:06, 10 November 2011

01321 - Control Module for Airbags (J234)

01321 - Control Module for Airbags (J234)

Possible Symptoms

Malfunction Indicator Light (MIL) active

Possible Causes

When found in Audi A4 (8E): Brake Electronics (Bosch 8.0)
- Coding of Powertrain Control Modules wrong/incomplete

When found in Audi A8 (4E) Parking Brake
- Check Airbag Control Module for DTCs. A faulty Belt Latch (E24) can cause this.

Possible Solutions

When found in Audi A4 (8E): Brake Electronics (Bosch 8.0)
- Check Coding of Powertrain Control Modules, especially check the related Airbag 9.41 Adaptation Channels 050 & 051.

01321 - Control Module for Airbags (J234): No Signal/Communication

Possible Symptoms

Malfunction Indicator Light (MIL) ON

Possible Causes

CAN-Databus Wiring/Connectors from/to Airbag Control Module (J234) faulty
Fault(s) stored in Airbag Control Module (J234)

Possible Solutions

Check CAN-Databus Wiring/Connectors from/to Airbag Control Module (J234)
Check Measuring Value Blocks (MVB)
- Usually Measuring Value Blocks (MVB) 125+ show the current Communication Status

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